CM300, CM200 CM series, (must use for 2 CM series models.). CDM750, CDM1250, CDM1550, ( for CDM series into the center 16 pin of the 20 pin ). 1 for Duplex repeater Interface cable. also work with other for motorola radio that has 16 or 20 pin accessory at the back.
This product would be ideal for radio communication systems, especially those integrated with Motorola radios such as the CDM750 and M1225 series.