FANVERIM 8 PIN Handheld Speaker Mic for ICOM Car Radio IC-2200H IC2100H IC-2710H IC-2800H walkie talkie Compatible with:ICOM radio IC-2720H IC-2725E IC-208H IC-E208 IC-V8000 IC-2200H IC2100H IC-2710H IC-2800H Replacement Icom HM-98S Remote control microphone DTMF(Dual Tone Multi Frequency) function will open the radio's squelch only when it receives a DTMF code that matches one pre-programmed into your receiver. Each tranceiver is normally programmed with a unique code. Modular 8-pin plug with easy clip at the back Easy to carry and to use Streamlined appearance Comfortable holding Strong, flexible and durable cables Clear sound performance Used on car radio/vehicle radios Comes with CE mark