... RIBLESS design (RIB box not required). Battery Connector to Radio:Motorola GP300, GTX & GP88 portableRequire power supply or battery ... (9V)RJ45 to radio:ALL Maxtrac Mobiles, CM200, CM300, PM400, GR400, GR500, GM300 ... LCS2000, Maratrac, SM50, SM120 and Desktrac. Multi-pin Adapter to Radio:Motorola GP318, GP320, GP328, GP338, GP340, GP360, GP380, GP640 ...