Ham Amateur Radio ID-O-Matic IV 4 CW ID Repeater Controller Motorola GM CDM
Pin 11 discriminator audio out (YELLOW to pin 8 IDOM4). For CDM radios, use center 16 pins. All IDs are "polite". Morse code IDs are attenuated if the repeater is in use. AMPLIFIED audio mixer for repeater audio and ID.