HME and Cobalt AV's DX300ES Tactical Wireless Headset Radio System is a flexible, expandable and economical solution for public safety and other communication critical tasks. It supports hands-free “hot mic”, two-way digital conversations for up to 15 headset users while simultaneously monitoring external radio traffic with remote transmit capability. The base station’s compact design makes it highly portable, quick to set up and easy to operate. Deisgned for frequency-congested markets, the DX300ES is a digital spread spectrum 2.4 GHz system that requires no frequency coordination or license to operate. Uses include SWAT, drug task force, aerial ladder fire truck operations, public safety training, crane rigging, protective clothing or SCBA communications, flight line and manufacturing production line.