dB Com™ Earphone Kit (Intrinsically Safe)
When used with the particular radio it is designed for, this kit has be tested to be safe to use in hazardous areas that may contain combustible fuel in the atmosphere (gasses, vapors or combustible dust). This device is incapable of releasing sufficient electrical or thermal energy to ignite the fuel and cause fire or explosion. The kit contains a Receiver Button, Cord with a 2.5mm R/A plug, a Sound Tube and a connector for a Communicate Ear™ earpiece. Must be used with an I/S Shoulder Speaker Microphone.