This 5 in 1 programming cable for Motorola radios is to connecting your Radio and PC, then write the program setting and frequency of the radio by PC.
Model: RPC-M300XX
RJ45 Crystal-plug


 5 in 1 Programming Cable for Motorola Gp300 Gm300 Gr1225 M110 Two-way Radios Rpc-m300xx


GP88, GP280, GP300, GP600, GTX portable, GTX privacy plus portable, LTS2000, PTX600, P110 2.5 mm plug to Radio:
CP040, CP100, CP140, CP150, CP160, CP180, CP200,CT150,CT250,CT450,CT450-LS
GP3688,GP68,GP88S, GP2000, GP2100
P020, P030, P040, P080, PR400, PRO2150, PRO3150, PRO7550
HT750 Style Multi-pin Adapter to Radio:
GP1280, GP140, GP238, GP240, GP280,GP318, GP320, GP328, GP329
GP338, GP339, GP340, GP360, GP380, GP540, GP550, GP560, GP561, GP580,GP640, GP650, GP680
HT1250, HT1250LS, HT1550, HT1550LS, HT1550XLS, HT750
MTX8250, MTX8250LS, MTX850, MTX850LS, MTX900, MTX9250, MTX950, MTX960M
PRO5150, PRO5350, PRO5450, PRO5550, PRO5750,PRO7150, PRO7350, PRO7450
PRO7550, PRO7750, PRO9150,PTX700, PTX760, PTX780
GP328+ Style Multi-pin Adapter to Radio:
EX500, EX600, EX600XLS, GL2000 GP328Plus, GP338Plus, GP344, GP388, GP644, GP688 PRO5150 Elite, PRO7150 Elite