... in 1 programming plug, stable data transfer 5 in 1 Multi-utility programming cable for Motorola GP328/GP88S/GP300/GM300RIBLESS ... GP88 portableRequire power supply or battery (9V) Multi-pin Adapter to Radio ( GP328 plug):Motorola HT750, HT1250, HT1550, GP318, ... GP380, GP640, GP1280, PRO7150, PRO9150 & PRO5150. Multi-pin Adapter to Radio ( GP328plus plug):GP328Plus, GP338Plus, GP344, GP388, GP644, GP688 ...