... Motorola GP300, GTX & GP88 portableRequire power supply or battery (9V)RJ45 to radio:ALL Maxtrac Mobiles, CM200, CM300, PM400, GR400, GR500 ... R1225, LCS2000, Maratrac, SM50, SM120 and Desktrac. Multi-pin Adapter to Radio:Motorola GP318, GP320, GP328, GP338, GP340, GP360, GP380, ... HT1250, HT1550, PRO7150, PRO9150 & PRO5150.2.5 mm plug to Radio:Motorola GP68 GP88S GP3188 , GP2000, GP2100,CP200, CP150, ...