Headsets, Headphones, Handsfree - mobile phones and other equipment  > Motorola pinouts

Name Direction Description
1 Spk Speaker
2 Mic Microphone / Push to talk
3 Gnd Ground

In Motorola Talkabout walkie talkies (and possibly others), there is a headset port. It is recessed, so the plug must be elongated to fit in it.

PTT is on pin two, the switch is in series with the mike, so that once the radio senses the mike impedance (over 1K on my meter) the radio transmits

3 pin stereo plug connector layout
3 pin stereo plug connector
at the headset cable
According to 5 reports in our database (3 positive and 0 negative) this pinout should be correct.

Is this pinout
Motorola Talkabout headset visual pinout:
Motorola Talkabout headset diagram
click to enlarge
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