Fire and Safety 4-Person Dual Radio Intercom Kit is built for extreme conditions including fire trucks, brush trucks, and ambulances. Key features include a rugged design for clear communication among engineer, officer, and crew positions, allowing hands free communication. An additional attribute is that it allows these individuals to transmit on two radios using push-to-talk. The intercom feature has a voice-activated operation, is expandable, and has an adjustable transmit mic gain. It also has a inStuck Micin indicator and auxiliary ports for cell phones and audio in/out. Other notable product attributes are the Quick Lock easy install cable connections, 100% shielded RF housing, and the PTT Jack Boxes with dual push-to-talk. The kit also includes extension cables, engineer jack boxes, an inline electrical noise reducing intercom audio filter, and the universal radio jumper kit. Completing the kit are Rugged Fire/Safety headsets and cables, compatible with Rugged Radios, Firecomm, David Clark, and Sigtronics headsets. The kit is easy to install with Quick Lock connections and a plug-and-play design. The Rugged 800 Intercom Kit can be expanded with Rugged's range of accessories.