Knowledge Base
Answers to Your Questions about Radio and Wireless Voice Communications

HYT Hytera TC320 series Wiring Data

01 November 2015

Wildtalk Earpieces with this plug end with the part number -TC3

This wiring plan is for TC320 and similar radios only.

2.5mm Pin.
This is a special long reach plug. Longer than normal 2.5mm plugs

Common Ground for Mic, Speaker and PTT

Audio Out from the radio.

Microphone & PTT.
Ground via the Mic to Transmit

Standard Electret Mic input with radio providing phantom power to the Mic.

In some models if the PTT is permanently closed it allows the Mic to trigger the internal VOX system. The radio normally needs to be powered On with the PTT closed for this to take effect.

Radio Models

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