| | | The Quality of Sound is the key to clear, accurate communications for positive control of any situation. | |  | | | SIGTRONICS is the industry standard of excellence in high noise aircraft intercom systems since 1974. Beginning in 1990 we applied the same advanced technology in the design of our emergency apparatus intercom systems to deliver high performance and reliability. Our products are designed and manufactured in the U.S.A. using state-of-the-art technology which insures the highest quality and durability on the market. Sigtronics has the most comprehensive customer support program in the industry. We provide our clients with a dedicated 800 line and web site for technical support, installation, and radio interface information. HEARING PROTECTION: Headsets reduce noise levels to protect hearing and to ensure clear communication with all personnel. Our headsets are light-weight, comfortable, and have noise-canceling electret microphones designed for superb voice fidelity and noise rejection. | | INTERCOMMUNICATION: With each crew member’s headset connected to a voice activated intercom system, convenient “hands free” communication is provided. This feature improves safety by permitting the vehicle operator to communicate without diverting attention away from traffic surveillance. Additional safety is provided by allowing other crew members to give traffic alerts. Use of a Sigtronics intercom also saves time by enabling the officer to brief the crew in route. RADIO INTERFACE: Sigtronics’ intercom systems interface to all mobile radios, and with our MRIM-2, to cellular telephones. This allows communication (both transmit and receive) to be heard through each headset position. Radio transmitting can be done from two or more positions. The crew’s intercommunication is not transmitted over the radio. To transmit over the radio, a radio push-to-talk switch is activated, and only that person’s voice will be heard over the air. | | | |
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| | SE-2 Series Headsets | | • | Soft head strap, comfortable to wear all day. | | • | Behind the head powder coated no-glare headband. | | • | Designed to be worn with or without a helmet. | | • | Heavy chrome plated full swivel microphone boom. | | • | Microphone boom rotates 180 degrees for use on either side of head. | | • | M-80 noise-canceling electret microphone with windscreen. | | • | Easy grab volume adjust control. | | • | Ear cups are high impact ABS plastic. Super-tough and lightweight. | | WARRANTY: One year parts and labor. |
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| | | | | | | Headset Special Features | Cable |  | "Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. | Plug | Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets |  | Standard 0.25 inch, 3 conductor, nickel coated plug. | | Radio Push-To-Transmit Headsets ( RPTT Headsets ) |  | U-174/U, 4 conductor, nickel coated plug. | Microphone | M-80 Noise-Canceling Electret Microphone |  | High noise environment electret microphone. Sigtronics M-80 noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Foam windscreens are standard. | Switch | Push-To-Talk Switch ( P Headsets ) |  | Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch. | | Radio Push-To-Transmit Switch ( RPTT Headsets ) | | Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. The switch is not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch. | | Microphone Disconnect Switch ( RVC Headsets ) |  | Push On / Push Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | | Microphone Disconnect Switch ( T Headsets ) |  | On / Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | Volume
Control | All Headsets |  | Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions. | | | | | Headset Model | Plug Type | Instructions and Part List in Adobe PDF | PDF | SE-2 | 0.25 inch,
3 conductor | Standard Headset | | SE-2P | 0.25 inch,
3 conductor | Mic Push-To-Talk Switch | | SE-2RPTT | U-174/U,
4 conductor | Radio Push-To-Transmit Switch | | SE-2S | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted | | SE-2SP | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted / Mic Push-To-Talk Switch | | SE-2SRPTT | U-174/U,
4 conductor | One Ear Cup Hollow and Slotted / Radio Push-To-Transmit Switch | | SE-2RVC | 0.25 inch,
3 conductor | Mic Disconnect Switch – Push On / Push Off | | SE-2T | 0.25 inch,
3 conductor | Mic Disconnect Switch – Toggle | | SEH-2 | 0.25 inch,
3 conductor | Headphone Listen Only (no microphone) | | SEH-2S | 0.25 inch,
3 conductor | Headphone Listen Only / One Ear Cup Hollow and Slotted (no microphone) | |
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| | SE-8 Series Headsets | | • | Soft head strap, comfortable to wear all day. | | • | Designed to be worn with or without a helmet. | | • | Behind the head powder coated no-glare headband. | | • | Custom flex microphone boom for perfect mic positioning. | | • | Microphone boom rotates 180 degrees for use on either side of head. | | • | M-81 noise-canceling electret microphone with windscreen. | | • | Easy grab volume adjust control. | | • | Ear cups are high impact ABS plastic. Super-tough and lightweight. | | WARRANTY: One year parts and labor. |
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| | | | | | | Headset Special Features | Cable | | "Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. | Plug | Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets | | Standard 0.25 inch, 3 conductor, nickel coated plug. | | Radio Push-To-Transmit Headsets ( RPTT Headsets ) | | U-174/U, 4 conductor, nickel coated plug. | Microphone | M-81 Noise-Canceling Electret Microphone |  | High noise environment electret microphone. Sigtronics flex boom noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Ultra-foam windscreens are standard. | Switch | Push-To-Talk Switch ( P Headsets ) | | Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch. | | Radio Push-To-Transmit Switch ( RPTT Headsets ) | | Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. The switch is not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch. | | Microphone Disconnect Switch ( RVC Headsets ) | | Push On / Push Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | | Microphone Disconnect Switch ( T Headsets ) | | On / Off toggle switch for the microphone. Useful in high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | Volume
Control | All Headsets | | Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions. | | | | | Headset Model | Plug Type | Instructions and Part List in Adobe PDF | PDF | SE-8 | 0.25 inch,
3 conductor | Standard Headset | | SE-8P | 0.25 inch,
3 conductor | Mic Push-To-Talk Switch | | SE-8RPTT | U-174/U,
4 conductor | Radio Push-To-Transmit Switch | | SE-8S | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted | | SE-8SP | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted / Mic Push-To-Talk Switch | | SE-8SRPTT | U-174/U,
4 conductor | One Ear Cup Hollow and Slotted / Radio Push-To-Transmit Switch | | SE-8ST | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted / Mic Disconnect Switch – Toggle | | SE-8RVC | 0.25 inch,
3 conductor | Mic Disconnect Switch – Push On / Push Off | | SE-8T | 0.25 inch,
3 conductor | Mic Disconnect Switch – Toggle | |
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| | SE-40 Series Headsets | | • | Self-adjusting, pivoting ear cups assure a comfortable fit. | | • | Headset frame is chrome plated hardened spring steel. | | • | Heavy chrome plated full swivel microphone boom. | | • | Microphone boom rotates 180 degrees for use on either side of head. | | • | M-80 noise-canceling electret microphone with windscreen. | | • | Easy grab volume adjust control. | | • | Ear cups are high impact ABS plastic. Super-tough and lightweight. | | WARRANTY: One year parts and labor. |
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| | | | | | | Headset Special Features | Cable | | "Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. | Plug | Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets | | Standard 0.25 inch, 3 conductor, nickel coated plug. | | Radio Push-To-Transmit Headsets ( RPTT Headsets ) | | U-174/U, 4 conductor, nickel coated plug. | Microphone | M-80 Noise-Canceling Electret Microphone | | High noise environment electret microphone. Sigtronics M-80 noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Foam windscreens are standard. | Switch | Push-To-Talk Switch ( P Headsets ) | | Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch. | | Radio Push-To-Transmit Switch ( RPTT Headsets ) | | Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. The switch is not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch. | | Microphone Disconnect Switch ( T Headsets ) | | On / Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | Volume
Control | All Headsets | | Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions. | | | | | Headset Model | Plug Type | Instructions and Part List in Adobe PDF | PDF | SE-40 | 0.25 inch,
3 conductor | Standard Headset | | SE-40P | 0.25 inch,
3 conductor | Mic Push-To-Talk Switch | | SE-40RPTT | U-174/U,
4 conductor | Radio Push-To-Transmit Switch | | SE-40S | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted | | SE-40SP | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted / Mic Push-To-Talk Switch | | SE-40SRPTT | U-174/U,
4 conductor | One Ear Cup Hollow and Slotted / Radio Push-To-Transmit Switch | | SE-40T | 0.25 inch,
3 conductor | Mic Disconnect Switch | | SEH-40 | 0.25 inch,
3 conductor | Headphone Listen Only (no microphone) | |
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| | SE-48 Series Headsets | | • | Self-adjusting, pivoting ear cups assure a comfortable fit. | | • | Headset frame is chrome plated hardened spring steel. | | • | Custom flex microphone boom for perfect mic positioning. | | • | Microphone boom rotates 180 degrees for use on either side of head. | | • | M-81 noise-canceling electret microphone with windscreen. | | • | Easy grab volume adjust control. | | • | Ear cups are high impact ABS plastic. Super-tough and lightweight. | | WARRANTY: One year parts and labor. |
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| | | | | | | Headset Special Features | Cable | | "Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. | Plug | Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets | | Standard 0.25 inch, 3 conductor, nickel coated plug. | | Radio Push-To-Transmit Headsets ( RPTT Headsets ) | | U-174/U, 4 conductor, nickel coated plug. | Microphone | M-81 Noise-Canceling Electret Microphone | | High noise environment electret microphone. Sigtronics flex boom noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Ultra-foam windscreens are standard. | Switch | Push-To-Talk Switch ( P Headsets ) | | Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch. | | Radio Push-To-Transmit Switch ( RPTT Headsets ) | | Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. The switch is not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch. | | Microphone Disconnect Switch ( RVC Headsets ) | | Push On / Push Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | | Microphone Disconnect Switch ( T Headsets ) | | On / Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | Volume
Control | All Headsets | | Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions. | | | | | Headset Model | Plug Type | Instructions and Part List in Adobe PDF | PDF | SE-48 | 0.25 inch,
3 conductor | Standard Headset | | SE-48P | 0.25 inch,
3 conductor | Mic Push-To-Talk Switch | | SE-48RPTT | U-174/U,
4 conductor | Radio Push-To-Transmit Switch | | SE-48S | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted | | SE-48SP | 0.25 inch,
3 conductor | One Ear Cup Hollow and Slotted / Mic Push-To-Talk Switch | | SE-48SRPTT | U-174/U,
4 conductor | One Ear Cup Hollow and Slotted / Radio Push-To-Transmit Switch | | SE-48RVC | 0.25 inch,
3 conductor | Mic Disconnect Switch – Push On / Push Off | | SE-48T | 0.25 inch,
3 conductor | Mic Disconnect Switch – Toggle | |
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| | SE-11 Series Headsets | | • | Soft head strap, designed to be worn with or without a helmet. | | • | Super-tough and lightweight. Under 3 ounces. | | • | Custom flex microphone boom for perfect mic positioning. | | • | Coiled high flex cable with a single nickel coated plug. | | • | Noise-canceling electret microphone with windscreen. | | WARRANTY: One year parts and labor. |
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| | | | | | | Headset Special Features | Cable | | "Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. | Plug | Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets | | Standard 0.25 inch, 3 conductor, nickel coated plug. | | | | | Headset Model | Plug Type | Instructions and Part List in Adobe PDF | PDF | SE-11 | 0.25 inch,
3 conductor | Standard Headset | SE-11 |
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| | SE-18 Series Headsets | | • | Self-adjusting, pivoting ear cup assures a comfortable fit. | | • | Headset frame is chrome plated hardened spring steel. | | • | Custom flex microphone boom for perfect mic positioning. | | • | Microphone boom rotates 180 degrees for use on either side of head. | | • | M-81 noise-canceling electret microphone with windscreen. | | • | Easy grab volume adjust control. | | • | High impact ABS plastic ear cup. Super-tough and lightweight. | | WARRANTY: One year parts and labor. |
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| | | | | | | Headset Special Features | Cable | | "Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. | Plug | Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets | | Standard 0.25 inch, 3 conductor, nickel coated plug. | | Radio Push-To-Transmit Headsets ( RPTT Headsets ) | | U-174/U, 4 conductor, nickel coated plug. | Microphone | M-81 Noise-Canceling Electret Microphone | | High noise environment electret microphone. Sigtronics flex boom noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Ultra-foam windscreens are standard. | Switch | Push-To-Talk Switch ( P Headsets ) | | Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch. | | Radio Push-To-Transmit Switch ( RPTT Headsets ) | | Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. The switch is not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch. | | Microphone Disconnect Switch ( T Headsets ) | | On / Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | Volume
Control | All Headsets | | Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions. | | | | | Headset Model | Plug Type | Instructions and Part List in Adobe PDF | PDF | SE-18 | 0.25 inch,
3 conductor | Standard Headset | | SE-18P | 0.25 inch,
3 conductor | Mic Push-To-Talk Switch | | SE-18RPTT | U-174/U,
4 conductor | Radio Push-To-Transmit Switch | | SE-18T | 0.25 inch,
3 conductor | Mic Disconnect Switch | |
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| | SE-41 Series Headsets | | • | Self-adjusting, pivoting ear cup assures a comfortable fit. | | • | Headset frame is chrome plated hardened spring steel. | | • | Heavy chrome plated full swivel microphone boom. | | • | Microphone boom rotates 180 degrees for use on either side of head. | | • | M-80 noise-canceling electret microphone with windscreen. | | • | Easy grab volume adjust control. | | • | High impact ABS plastic ear cup. Super-tough and lightweight. | | WARRANTY: One year parts and labor. |
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| | Headset Special Features | Cable | | "Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. | Plug | Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets | | Standard 0.25 inch, 3 conductor, nickel coated plug. | | Radio Push-To-Transmit Headsets ( RPTT Headsets ) | | U-174/U, 4 conductor, nickel coated plug. | Microphone | M-80 Noise-Canceling Electret Microphone | | High noise environment electret microphone. Sigtronics M-80 noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Foam windscreens are standard. | Switch | Push-To-Talk Switch ( P Headsets ) | | Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch. | | Radio Push-To-Transmit Switch ( RPTT Headsets ) | | Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. The switch is not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch. | | Microphone Disconnect Switch ( T Headsets ) | | On / Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. | Volume
Control | All Headsets | | Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions. | | | | | Headset Model | Plug Type | Instructions and Part List in Adobe PDF | PDF | SE-41 | 0.25 inch,
3 conductor | Standard Headset | | SE-41P | 0.25 inch,
3 conductor | Mic Push-To-Talk Switch | | SE-41RPTT | U-174/U,
4 conductor | Radio Push-To-Transmit Switch | | SE-41T | 0.25 inch,
3 conductor | Mic Disconnect Switch | | SEH-41 | 0.25 inch,
3 conductor | Headphone Listen Only (no microphone) | |
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| | | UltraSound Intercom
| | • | Voice Activated - Turns on instantly when you start speaking and turns off when you stop. Eliminates noise pick-up through mic.
| | • | Systems for all fire apparatus and emergency vehicles.
| | • | Available in 4 crew, 5 station to 12 crew, 13 station models.
| | • | Models for single or dual radio systems.
| | • | All mounting hardware, jacks, switches and wire are included.
| | WARRANTY: Two years parts and labor.
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| |  | US-45D 1.8" H x 6.1" W x 4.5" D |
| | | | | |  | Mounting Hardware and Boxes | | US-45S |
| | | Fail Safe: The mobile radio, hand microphone and speaker will function normally with the intercom installed. The transmit keying circuit is fully isolated to provide for all radio keying configurations. Simple Installation: The UltraSound is small and light weight and mounts above or below the panel and adjusts for easy viewing. The intercom package comes with all the necessary mounting hardware for installation in the apparatus. Small rugged mounting boxes, (1-5/16 x 2” x 2”) are provided with every unit to accommodate headset jacks and push-to-talk switches. Complete and easy to follow instructions are provided along with helpful hints, operating instructions, and an 800 number for technical help. Features:
1. Turn on instantly when you start speaking and turn off when you stop, which eliminates constant noise pick-up through the headset microphone. 2. Interfaces to single or dual mobile radios, allowing all communications, both transmit and receive, to be heard through each headset. 3. Compatible with cellular telephones. For information on using a Bluetooth cell phone with a Sigtronics intercom system, follow thisLink 4. Radio transmit is accomplished by way of the headset microphone through use of a push-to-talk switch. This design allows placement of the push-to-talk switch in the most accessible location and eliminates the need to reach for the hand microphone. | | 5. As an added safety feature, the intercom function is automatically disabled while transmitting so that only the voice of the person transmitting goes over the air, however his voice is heard by all crew members. Versatility: Systems are available for all fire apparatus and emergency vehicles: such as 4 crew, 5 station - 6 crew, 7 station or 12 crew, 13 station intercoms. The extra station can be installed where needed (i.e. pump panel, bucket, turret.) Sigtronics can also customize systems to fit your special requirements. Radio Operation: Models US-45S, US-67S and US-12S are for single radio operation. Models US-45D, US-67D and US-12D are configured for dual radio operation. They have additional switches that allow you to select which radio to transmit and receive on. Stations: The US-45S and US-45D intercoms will accept up to four headsets. Two positions will have radio transmit capability. The US-67S and US-67D will accept up to six headsets. Three positions will have radio transmit capability. The US-12S and US-12D will accept up to twelve headsets. Four positions have radio transmit capability. Radio transmit at the pump panel is included in all the above systems. Extra headsets can be paralleled where crew members operate from more than one position. Additional positions may be added at platform (turntable), ladder tip (bucket) or tailboard. |
| | Intercoms — Mobile — Bracket Mounted
| Model Number | Positions | Radio Transmit Positions | Radio | US-45S
| 4 (5 with pump panel)
| 2 + the pump panel
| Single
| | | | | US-45D
| 4 (5 with pump panel)
| 2 + the pump panel
| Dual
| | | | | US-67S
| 6 (7 with pump panel)
| 3 + the pump panel
| Single
| | | | | US-67D
| 6 (7 with pump panel)
| 3 + the pump panel
| Dual
| | | | | US-12S*
| Up to 12 (13 with pump panel)
| 4 + the pump panel
| Single
| | | | | US-12D*
| Up to 12 (13 with pump panel)
| 4 + the pump panel
| Dual
| | | | | * US-12 intercoms include the same mounting hardware, jacks, and switches as the US-45 intercoms.
| | | | | Note
| PDF Instructions | | | Installation and Operating Instructions
Models: US-12S and US-12D | | | | | | US-45D Engine Bluetooth Cell Phone System overview in PDF | | US-67D System overview in PDF | | US-67D Fire EMS System overview in PDF | | US-67D Fire EMS Bluetooth Cell Phone System overview in PDF | | US-67S Aerial System overview in PDF | Sigtronics Special 4 Conductor Jack Wiring Instructions
To install Sigtronics headsets with radio Push-To-Transmit buttons. Use to wire these jacks into a Sigtronics UltraSound or EAI intercom system. | | |
|
| | S-A-F-E Communicator | | • | Dual Radio Simultaneous Transmit. Two positions can transmit and receive independently of each other. | | • | Voice Activated Intercom eliminates noise pick-up. Turns on instantly when you start speaking and turns off when you stop. | | • | Auxiliary input — monitor a third radio. | | • | All mounting hardware, jacks, switches and wire are included. | | WARRANTY: Two years parts and labor. |
| |  | | | S-A-F-E 4.125" H x 7.5" W x 2.5" D |
| | | Dual Radio Capability:Communicate on 2 radios at the same time and monitor a third radio! You and a crew member can communicate with two agencies at the same time and have intercom capability with two more crew members. The dual radio capability of the S-A-F-E unit allows the two command headset positions to select which radios to transmit and receive on, independent of the other headset. Each headset position has dual volume controls; one for your radio reception, and the other for your intercom volume level. The third and fourth headset positions are slaved to the right side of the unit and will hear whichever radio the right side has selected. Auxiliary Input: You can also selectively monitor a third radio via the auxiliary input. Technical Highlights:
• Excellent RF immunity guarantees clean, clear, radio communications.
• Automatic Sidetone Generation allows everyone in the vehicle to hear both sides of the radio conversation.
| | • Uses Sigtronics’ noise attenuating, single plug headsets.
• The unit can be mounted above or below the panel and will adjust to various angles for easy viewing.
• Quick Disconnect feature gives it flexibility and makes it interchangeable.
• Standard Equipment included: 4 headset jacks and mounting boxes. 2 push-to-talk (PTT) switches.
4 foot interface cable, 1 roll of hook up wire, Installation and Operating instructionsOPTIONAL: Dual S-A-F-E Communicator (Remote Head)
The Dual S-A-F-E Communicator is similar to the unit described above except there are two identical boxes (one becomes a remote head to be mounted somewhere other than in the driver’s area). It allows four crew members to transmit on two radios and up to eight people have voice activated intercom capability. Ideal for use in command vans.
• Equipment provided is the same as regular S-A-F-E except there are four PTT switches and 8 headset jacks and mounting boxes.
|
| | Dual Radio + Intercom — Mobile — Bracket Mounted
| Model Number | Positions | Radio Transmit Positions | Radio | S-A-F-E | Up to 4
| 2
| Dual
| | | | | | | | | | | Note
| Mobile Radio To Intercom Adapter Information
| | Some mobile radios may require an adapter to interface with any of the above Intercom Systems.
See Mobile Radio Adapters section for radio compatibility information.
Order headsets separately to complete the above systems.
| | | | | | Note
| PDF Instructions |  | Installation and Operating Instructions | | User Operating Instructions |
| |
| | EAI Intercom | • | Voice Activated - Turns on instantly when you start speaking and turns off when you stop. Eliminates noise pick-up through mic. | • | Systems for all fire apparatus and emergency vehicles. | • | Available in 4 crew, 5 station and 6 crew, 7 station models. | | • | Models for single or dual radio systems. All mounting hardware, jacks, switches and wire are included. | | WARRANTY: Two years parts and labor. |
| |  | | | |
| | Intercoms — Mobile — Dash Mounted
| Model Number | Positions | Radio Transmit Positions | Radio | EAI-S4
| 4 (5 with pump panel)
| 2 + the pump panel
| Single
| | | | | EAI-D4
| 4 (5 with pump panel)
| 2 + the pump panel
| Dual
| | | | | EAI-S6
| 6 (7 with pump panel)
| 2 + the pump panel
| Single
| | | | | EAI-D6
| 6 (7 with pump panel)
| 2 + the pump panel
| Dual
| | | | | | | | | Note
| Mobile Radio To Intercom Adapter Information
|  | Some mobile radios may require an adapter to interface with any of the above Intercom Systems.
See Mobile Radio Adapters section for radio compatibility information.
Order headsets separately to complete the above systems.
| | | | | | | | | Note
| PDF Instructions | | EAI Installation and Operating Instructions Current Production
EAI-S4, S/N 2600998 to current.
EAI-S6, S/N 2700350 to current.
EAI-D4, S/N 2800589 to current.
EAI-D6, S/N 2900552 to current. | EAI Installation and Operating Instructions (Out of Production)
EAI-S4, S/N 2600997 and lower.
EAI-S6, S/N 2700349 and lower.
EAI-D4, S/N 2800588 and lower.
EAI-D6, S/N 2900551 and lower. | | Sigtronics Special 4 Conductor Jack Wiring Instructions
To install Sigtronics headsets with radio Push-To-Transmit buttons. Use to wire these jacks into a Sigtronics UltraSound or EAI intercom system. | | |
|
| | MRIM-2 — Mobile Radio Interface Module | | • | Connects between a single headset, push-to-talk (PTT) switch and your mobile radio or use it to connect a cellular telephone to your intercom system. | | • | Allows two-way radio communication via the Sigtronics’ emergency headsets. | | • | Normal radio operation is possible with the standard hand microphone and speaker. | | • | Used in high noise applications where radio communication is required, but vehicle intercom is not. | | • | All mounting hardware, jack box, switch box (PTT) and wire are included. | | WARRANTY: Two years parts and labor. |
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| | Connects between a single headset, push-to-talk (PTT) switch and your mobile radio or cellular phone. Allows two-way radio communication via the Sigtronics’ emergency headsets. Normal radio operation is possible with the standard hand microphone and speaker. Used in high noise applications where radio communication is required, but vehicle intercom is not. | | A typical application is at the pump panel or in the driver’s position, when only one person is on the vehicle. In cases where more than one position is required, additional jacks and PTTs are available. Other uses are in command vans, heavy equipment vehicles, etc. For information on using a Bluetooth cell phone with a Sigtronics intercom system, follow thisLink | | | |
| Interface — Mobile Radio | Model Number | Description
| MRIM-2
| Mobile Radio Interface Module
| | | | | | | | | Note
| Usage
| | The above MRIM-2 provides interface between a Mobile Radio and Headset. It does not provide intercom capabilities and is solely for one person. For use at a pump panel or other single position.
Some mobile radios may require an adapter to interface with the Mobile Radio Interface Module. See Adapters section 4 — Mobile Radios and Mobile Radio Compatibility List for information details.Order headsets separately to complete the above systems. As the MRIM-2 system includes a PTT switch, any of our standard headsets will work. If a headset mounted switch is preferred, use a headset with a Mic Push-To-Talk Switch (PTT), not a Radio Push-To-Transmit Switch (RPTT). As the MRIM-2 does not have intercom, a PTT headset will transmit over the radio.
| Note
| Cellular Telephones
| | The MRIM-2 is also used for cellular telephone interface. The cellular phone must be hands free capable and have an external speaker / microphone connection.
To switch between the MRIM-2 and an intercom system, use toggle switch kit P/N 800185.
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| PDF Instructions | Installation and Operating Instructions | MRIM-2
Mobile Radio Interface Module Installation and Operating Instructions | Special Installation Instructions | Cellular Interface with MRIM-2
Instructions for using a Sigtronics Intercom System and a Cellular Telephone.
Toggle Switch Kit P/N 800185 | Bluetooth Cellular Interface with MRIM-2
Instructions for using a Sigtronics Intercom System and a Bluetooth Cellular Telephone.
Toggle Switch Kit P/N 800185 | Cellular Interface with MRIM-2 and RPTT Headset
Wiring diagram for using a Sigtronics Intercom System and a Cellular Telephone with a Sigtronics RPTT headset. | Cellular and Radio Interface with Dual MRIM-2 – Audio Select
Wiring diagram for using two Sigtronics MRIM-2 systems with a Cellular Telephone and Radio.
Toggle Switch to select audio receive and radio transmit / cellular phone. | Cellular and Radio Interface with Dual MRIM-2 – Audio Both
Wiring diagram for using two Sigtronics MRIM-2 systems with a Cellular Telephone and Radio.
Toggle Switch to select radio transmit / cellular phone. Radio and cell phone audio at all times. | Dual Radios and MRIM-2 Interface – Dual PTT Switch
Wiring diagram for using two Sigtronics MRIM-2 systems with dual Radios.
Dual PTT switches for radio transmit. | Dual Radios and MRIM-2 Interface – Toggle Switch
Wiring diagram for using two Sigtronics MRIM-2 systems with dual Radios.
Toggle switch for radio transmit select. | Three Radios and MRIM-2 Interface – Rotary Switch
Wiring diagram for using three Sigtronics MRIM-2 systems with three Radios.
Rotary switch for radio transmit select. | PA System Interfaced to Sigtronics Intercom
Wiring diagram for a PA system interfaced to a Sigtronics intercom through a MRIM-2. | | |
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| Mobile Radio AdaptersThese high-quality adapters are used to connect Sigtronics' emergency intercoms and MRIM-2's to your mobile radios. No modifications are required! Simply plug the hand mic into the adapter, plug the adapter into the radio's mic connector, connect the other side of the adapter to your Sigtronics intercom or MRIM-2, and connect the speaker line from the radio to the intercom. Your existing radio hand mic will still function as normal. WARRANTY: One year parts and labor.
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| | Adapters — Mobile Radio — Compatibility List by Radio Manufacturer |
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CLICK ON >>>LATEST SIGTRONICS MOBILE ADAPTERS LIST<<< CLICK ON CLICK ON >>>SIGTRONICS PORTABLE RADIO ADAPTERS LIST<<< CLICK ON | | Sigtronics Mask Adapter for Scott Con-Space® Link Device | • | Allows the Scott face mask / respirator (models AV-2000® and AV-3000™) with the Con-Space Link mask microphone and speaker unit to be used with a Sigtronics intercom system. | • | Designed for the bucket position on an aerial, our adapter will allow full duplex hands-free intercom communication with your Scott respirator / Con-Space Link unit. | • | No modifications necessary, no batteries required. Simply connect the adaptor to the Con-Space Link and plug the coiled cable into the intercom. | | Warranty: One year parts and labor. | | Contact Sigtronics for information on face mask adapters for other brands and models. |
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| | Model Number | Description
| PDF Brochure | — | Sigtronics Mask Adapter
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| | | | Sigtronics Tone Module | • | The Sigtronics Tone Module allows a tone to be heard in Sigtronics Intercom System Headsets. | • | The tone is activated by a simple switch closure. | • | It can be used for alarm tones or back up signaling. | | Warranty: Two year parts and labor. |
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| | Model Number | Description
| PDF Instructions | STM
| Sigtronics Tone Module
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| | | Digital Voice Recorder | | • | Instant Record and Playback feature. Records 60 seconds of information from dispatch to be played back later, which helps to reduce radio traffic. | | • | Both sides of radio and intercom conversations can be recorded. | | • | The recorder is non-volatile, messages will not erase with loss of power. Messages erase only when recorded over. | | • | The recorder is compatible with all Sigtronics Intercom Systems. | | Warranty: One year parts and labor. |
| |  | | | 1" H x 2.4" W x 4" D |
| | Model Number | Description
| PDF Instructions | DR-434
| Digital Voice Recorder
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| | | Emergency Radio Switcher | | • | The Emergency Radio Switcher allows AM / FM radio to be heard whenever intercom and / or mobile radio communications are not occurring. | | • | AM / FM radio will not be heard over mobile radio, it will automatically be muted when communications occur. | | • | Our Radio Switcher is great for monitoring traffic and weather reports. | | Warranty: Two year parts and labor. |
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| | Model Number | Description
| PDF Instructions | SRS-4
| Emergency Radio Switcher
For: US-45S, US-45D, EAI-S4,EAI-D4
| | | | | SRS-6
| Emergency Radio Switcher
For: US-67S, US-67D, US-SR,US-DR, EAI-S6, EAI-D6
| same | | | | SRS-12
| Emergency Radio Switcher
For: US-12S, US-12D
| same | | | | SRS-M
| Emergency Radio Switcher
For: MRIM-2
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| | | Power Supply Adapter | | • | This genuine Sigtronics engineered and built adapter is used to safely control the power to your Sigtronics systems in vehicles with 24 volt DC or 12 volt positive ground electrical systems. | | • | For use with UltraSound, EAI, and S-A-F-E intercoms, Digital Voice Recorder, and Emergency Radio Switcher. | | Warranty: Two year parts and labor. |
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| | Model Number | Description
| PDF Instructions | PG-PSA
| Power Supply Adapter
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| | | Aircraft Headset to Fire Adapter Cable | | • | Allows a standard dual plug aircraft headset to be connected to a Sigtronics Fire System single 3 conductor jack. | | Warranty: One year parts and labor. |
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| | Model Number | Description
| 900073
| Dual aviation plugs to single fire plug. 18” Straight Cord.
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| | | Fire Headset to Aircraft Adapter Cable | | • | Allows a Sigtronics Fire Headset with a single 3 conductor plug to be connected to a standard aircraft dual jack system. | | Warranty: One year parts and labor. |
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| | Model Number | Description
| 900074
| Single fire plug to dual aviation plugs. 18” Straight Cord.
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| | | RPTT Headset to PRA Adapter Cable | | • | Allows a Sigtronics Fire Headset with a single RPTT 4 conductor plug to connect to a Sigtronics system with a single 3 conductor jack. Note: PTT button on headset will not function. | | Warranty: One year parts and labor. |
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| | Model Number | Description
| 900075
| 4 conductor RPTT plug to 3 conductor PRA plug. 18” Straight Cord.
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| | | Fire Headset to RPTT Adapter Cable | | • | Allows a Sigtronics Fire Headset with a single 3 conductor plug to connect to a Sigtronics system with a single RPTT 4 conductor jack. | | Warranty: One year parts and labor. |
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| | Model Number | Description
| 900076
| 3 conductor plug to 4 conductor RPTT plug. 18” Straight Cord.
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| | | Headset Extension Cable | | • | 3 Conductor and 4 Conductor coiled cable. | | • | The same high-quality cable used in Sigtronics headsets. | | Warranty: One year parts and labor. |
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| | Model Number | Description
| 900088
| Coiled 3 ft., extends to 15 ft. 3 Conductor
| | | 900089
| Coiled 7 ft., extends to 30 ft. 3 Conductor
| | | 900110
| Coiled 3 ft., extends to 15 ft. 4 Conductor (For use with RPTT Headsets)
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| | | Belt PTT Headset Extension Cable | | • | Makes it possible for pump panel operators or rescue personnel to move away from the vehicle while continuing to operate the mobile radio and maintain intercom communications (if applicable). | | • | Can be used with Sigtronics' emergency headsets and intercom systems or with the Mobile Radio Interface Module. | | • | Includes a standard headset jack and a push-to-talk switch mounted on a belt clip box with your choice of coiled cords. | | • | Includes p/n 800143 five prong jack and p/n 100506 weather cover. | | Warranty: One year parts and labor. |
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| | Model Number | Description
| PDF Instructions | 900106
| Belt-PTT Extension Cable 15 ft.
| | | | | 900107
| Belt-PTT Extension Cable 30 ft.
| same | | | |
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| | | Ring Bypass Cable | | • | When collector rings are not available at aerial turntable for intercom system wiring, our Ring Bypass Cable will provide connection from apparatus body to turntable, bypassing collector rings. | | • | It will allow for a jack and push-to-talk switch at the turntable and a jack at ladder tip. | | Warranty: One year parts and labor. |
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| | Model Number | Description
| 900109
| Coiled 3 ft., extends to 15 ft. 5 Conductor
With two P/N 800143 (five prong jack) and two P/N 100506 (weather cover)
| | | 900109S
| Coiled 5 ft.., extends to 25 ft. 6 Conductor
With two P/N 800143 (five prong jack) and two P/N 100506 (weather cover)
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Cable Ordering Information | | The number of wires listed for a cable are the number of wires used for that particular function. The physical size (number of pins) of the associated connector might be equal to or larger than the stated wire number. Always specify usage (model of intercom) when ordering any of our cables. | Last revised:Wednesday, August 18, 2010 | | Part Number | Description
| 800015
| Cable, Radio Interface, Female, 6 wire, 17 ft..
US-??? All UltraSounds — Radio 1 or Radio 2
EAI-D? Before 12-31-96 and after 08-16-98 — Radio 2 only
EAI-?? After 01-01-97 and before 08-16-98 — Radio 1 or Radio 2
|  17 Ft. |  Female, 6 pin | 800093
| Cable, Radio # 1 Interface and Power, Female, 8 wire, 4 ft..
EAI-?? Before 12-31-96 and after 08-16-98
| 4 Ft. |  Female, 9 pin | 800094
| Cable, To Jacks and PTT's, Female, 8 wire, 4 ft..
EAI-?4 Before 12-31-96 and after 08-16-98
| 4 Ft. |  Female, 12 pin | 800096
| Cable, To Jacks and PTT's, Female, 10 wire, 4 ft..
EAI-?6 Before 12-31-96 and after 08-16-98
| 4 Ft. |  Female, 15 pin | 800098
| Cable, Radio Interface, Female, 6 wire, 4 ft..
US-??? All UltraSounds — Radio 1 or Radio 2
EAI-D? Before 12-31-96 and after 08-16-98 — Radio 2 only
EAI-?? After 01-01-97 and before 08-16-98 — Radio 1 or Radio 2
| 4 Ft. | Female, 6 pin | 800107
| Cable, Radio 1 and 2 Switch Harness, 4 ft..
EAI-D? Radio 1 and 2 Switch Harness
|  4 Ft. |  Male, 6 pin | 800125
| Cable, S.A.F.E. Interface
| | 800128
| Cable, MRIM-2 Interface, To Mobile Radio, 11 wires
| 4 Ft. |  Female, 12 pin | 800134 | Cable, To Jacks, PTT, and Power, Female, 10 wire
US-45? Before 12-31-96 and after 08-16-98
| 4 Ft. |  Female, 12 pin | 800135 | Cable, To Jacks, PTT, and Power, Female
US-67? Jacks, PTT and Power, 13 wire
US-45? After 01-01-97 and before 08-16-98 — Jacks, PTT and Power, 10 wire
EAI-?6 After 01-01-97 and before 08-16-98 — Jacks, PTT and Power, 13 wire
EAI-?4 After 01-01-97 and before 08-16-98 — Jacks, PTT and Power, 10 wire
| 4 Ft. |  Female, 15 pin | 800147 | Ring Bypass Replacement Cable, Coiled 3 ft., extends to 15 ft. 5 Conductor
| | 800187 | Cable, To 4 Jacks, PTT, Return, Power, and Ground, 12 wire
US-12? — Jacks (4), PTT's, Return, Power and Ground
| 4 Ft. |  Female, 12 pin | 800189 | Cable, To Jacks (up to 8), Return, 9 wire
US-12? — Jacks (up to 8), and Return,
| 4 Ft. |  Female, 9 pin |
| | | Part Number | Description
| 100049
| Grommet
| | 100417
| Panel, EAI-D?, Printed: Radio 1/2 AUTO / BOTH
| | 100429
| Cover Screw — Stainless
| | 100452
| Mounting Screw — Black
| | 100453
| Blue Box (empty)
For Headset Jack (screws and grommet not included)
| | 100454
| Blue Box (empty)
For PTT Switch (screws and grommet not included)
| | 100587
| Blue Box (empty)
No Hole for Switch or Jack (screws and grommet not included)
| | 100732
| Blue Box (empty)
For 3PDT switch (screws and grommet not included)
| | 800144
| Headset Hook with hardware
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| | | Part Number | Description
| 100061
| Standard Headset Jack — 3 Conductor
| | 100418
| Headset Jack for thick panels — 3 Conductor
Maximum panel thickness: 0.155" with splash cover, 0.195" without splash cover.
| | 800120
| Headset Jack in blue box with screws and grommet — 3 Conductor
| | 800121
| Headset Jack in blue box with screws, grommet, and black splash cover — 3 Conductor
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| | Jacks — 4 Conductor
| Part Number | Description
| 100470
| Headset Jack for headsets with RPTT switch on ear cup — 4 Conductor
| | 800183
| RPTT Headset Jack in blue box with screws and grommet — 4 Conductor
| | 800184
| RPTT Headset Jack in blue box with screws, grommet, chrome splash cover — 4 Conductor
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| | Jack — Five Prong
| Part Number | Description
| 800143
| Five Prong Jack for Ring Bypass cable or Belt-PTT-Extension cable. Mounted in blue box , with weather plug (p/n 100506), screws, grommet, and wiring diagram — 5 Conductor
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| | Jack — Accessories
| Part Number | Description
| 100386
| Jack Splash Cover — Black. For 3 Conductor Headset Jack (p/n 800120)
| | 100506
| Weather Plug for Ring Bypass Cable Jack or Belt PTT Extension Cable Jack
| | 100620
| Jack Splash Cover — Chrome. For 4 Conductor Headset Jack (p/n 800183)
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| | | Model Number | Description
| AFPTT
| Push-To-Talk Foot Switch with 9 ft.Cable
2.5" wide x 2.75" high | | AFPTT-1
| Push-To-Talk Foot Switch without Cable
2.5" wide x 2.75" highInstallation Instructions | |
| | Switches — PTT
| Part Number | Description
| 800122
| Push-To-Talk Switch in Blue Box with screws and grommet
| | PA-PTT
| Push-To-Talk Switch for a intercom system to be used with a public-address (PA) system. PTT switch in a Blue Box with screws and grommet. Installation Instructions | | 100177
| Push-To-Talk Switch
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| | Switches — Cellular
| Part Number | Description
| 100125
| 3PDT Switch only. Used to select Cellular via MRIM-2
(See Switch Kit p/n 800185 if required)
| | 800185
| Cellular - MRIM-2 Switch Kit
Kit includes one each: 3PDT Switch (p/n 100125), Blue Box for Switch (p/n 100732), 100 ohm resistor, and instructions.
| | 800142
| Special D4 / D6 Switch Harness
For cellular phone systems. (For EAI connect only)
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