TROOPER II® H.D. WATERPROOF SPEAKER MICROPHONE with NC (Noise Cancelling) Mic element. Includes internal GPS receiver and is equivalent to HM-171GP
Fits ICOM F33G, F-51, F-61, IC-3GT, IC-F14, IC-F21BR, IC-F21GM, IC-F24, IC-F3021, IC-F3021T/S, IC-F31, IC-F3GS, ICF4021, IC-F402IT/S, IC-F43GS, IC-F43GT, IC-F43TR, IC-F4G, IC-F4GS, IC-F4GT, IC-V85. Letter "S" in Part Number indicates that this version of the connector has locking screws (x2) to hold it onto the radio.