Army Radio  army transmitters
army receivers grc
 
AN/GSA-7 REMOTE CONTROL
OTHER EQUIPMENT
AN/GSA-7 AN/GSA-7 Radio set remote control, Provides RWI between FM PTT radios and two-wire phone systems up to 16 km, Used with SB-22 phone, weight 27.5 Lbs, applicable technical manual TM 11-5135-15.