1 for Duplex repeater Interface cable. also work with other for motorola radio that has 16 or 20 pin accessory at the back. 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 ).
The Talkthrough repeater cable is ideal for users requiring seamless communication when connecting Motorola radios GM30Ignore the labels GM300 Series or M Series to other compatible radios.
