David Clark manufactures wired and wireless in-cab intercom systems, for use with noise-attenuating headsets. “The systems are modular in nature, and flexible in design architecture to meet the unique needs of any EMS or fire apparatus,” said Bob Daigle, the company’s product manager for fire, marine, systems and wireless. “Radio receive and transmit capability, multi-radio functionality, remote PTT options and a variety of headset styles are but a few of the options available.”
The System 990 can be installed in new apparatus or fit into existing units with legacy intercom systems.
“Wired David Clark systems easily are installed within any apparatus with minimal time and effort,” Daigle said. “Even easier is retrofitting an apparatus with a pre-existing David Clark wired system with a wireless component. To this end, by swapping a single module, any department can convert up to four headset positions to wireless users.”
Among David Clark’s newest in-cab products is the Series 9900 Wireless Intercom System. It was launched in April 2011 and “has enjoyed much success in market acceptance and use internationally,” Daigle said.
“The newest option in this line is a wireless belt station (U9913-BSW) for jump seat positions, in which these users are afforded hands-free, full-duplex intercom communication and radio reception, but are restricted in the ability to radio transmit.”
Firecom’s wireless and wired headsets provide hearing protection and clear communications, to improve the safety and effectiveness of fire crews. Their products also are flexible, said Carl Azar, Firecom’s director of marketing. “Our headsets interface with Firecom intercom units and over 400 models of two-way radios to complete in-cab and external communication systems,” he said.
Among the company’s latest products are Firecom 50 Series under-helmet PTT wireless headsets with DECT technology. They feature a 1,600 feet line-of-sight range and 24-hour battery life.
To support these products in-cab, Firecom has developed the 5000D Series Digital Intercom unit. It is designed to work with Series 50 headsets to provide clear communication without background noise interference with everyone riding in or working around the apparatus.
“The Firecom 5000D Series Digital Intercom units allow users to connect up to four radios for simulcast interoperability with mutual aid or other agencies to improve operational efficiencies and responder safety,” Azar said. “The Digital Intercom unit is customizable to accommodate new or existing radio and intercom configurations, and interfaces up to four additional devices including a cell phone.”
When interfaced to Firecom wireless base stations and headsets, the Digital Intercom unit can connect up to 40 wireless headset users per system. The unit also can handle up to 10 wired headsets or a mix of wireless and wired headsets. Finally, the 5000D allows users to program and adjust radio activity, priority, volume, and squelch from the faceplate, as well as offers 90dB SNR “audiophile quality and supports multiple waterproof remote intercom heads for installation outside the apparatus or for multiple users in a command center,” Azar said.
Firecom 5000D Digital Intercom units are retrofit compatible with all existing Firecom intercom systems.
“Installation consists of removing the existing unit and installing a Digital Intercom unit in the same mounting position using the existing power and signal cabling,” Azar said. “Expansion radios can be added using standard Firecom radio interface cabling.”
Sigtronics makes a number of in-cab intercom systems for fire apparatus. They include the UltraSound Voice-Activated Intercom and the UltraSound Airport CFR Intercom.
Recently, the company released the Sigtronics Mask Adapter for the Scott Con-Space Link Device. The belt-worn unit makes it possible for Scott face mask models AV-2000 and AV-3000) fitted with the Con-Space Link mask microphone and speaker unit to connect to a Sigtronics intercom system.
The Sigtronics Mask Adaptor is meant to be used by face mask-wearing firefighters working in an aerial truck’s bucket. It supports full duplex hands-free intercom communication.
The Sigtronics Mask Adaptor can be used with making any modifications to existing equipment, or needing any additional batteries. The adaptor interconnects between the Con-Space Link and the intercom.
Setcom also makes a variety of in-cab intercom systems. The company’s 900E Intercom, which supports wireless headsets as well as wired, can interconnect up to four crew members so speak with each other, or over the apparatus’ radio.
The 900E’s modular design lets it connect to a larger communications system supporting three radios, 10 firefighters and 14 positions, including six intercom positions. The 900E is a full-duplex PTT system. When one operator keys the system, all others are temporarily locked out to avoid confusion and interference.
Pryme updated its tactical bone conduction headset. The headset has bone-conducting speakers that vibrates the mandible of the jaw, bypasses the eardrum and produces audio directly to the inner ear. It was built for high-noise environments, the company said. Updates include a flexible boom with a noise-canceling mic element that can be placed close to the mouth and a thin, over-the-head Velcro strap, which holds the headset firmly in place.
In addition, Pryme introduced a new device called the Bluetooth Adapter that can be attached to a headset, earmuff or a throat mic and converts it to a Bluetooth wireless unit. The unit is compatible with all of Pryme’s Bluetooth mobile and portable radio adapters and cell phones.
Avcomm International makes a range of intercom systems for fire apparatus, including the the SC550 Intercom. It is a dash-mounted unit designed to cope with the ‘extreme noise’ found in apparatus cabs, thanks to the unit’s 12dB high-volume setting.
The SC550 can connect up to six crew and two pump panel positions to a radio and cell phone. It uses Avcomm’s prewired EasyLink jack boxes for easy in-vehicle installation, without the need for soldering. This unit is compatible with a wide range of headsets and radios.