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

Motorola Talkabout T series Wiring Data

01 November 2015

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

This wiring plan is for Motorola talkabout radios only. It does not necessarily apply to all the other makes of radios which have copied the Motorola plug or even copy the Motorola wiring scheme.

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
T6222, TLKR T7, T8. T9, XTL, XTR. T5022, T5422, T5512, T5522, T5622 TA288, TT289 , T4900 , T5100 , T5200 , T5300 , T5320 , T5400 , T5410 , T5420 , T5522 , T5500 , T5512 , T5600 , T5620 , T5700 , T5710 , T5720 , T5800 , T5820 , T5920 , T6200 , T6210 , T6220 , T6250 , T6300 , T6320 , T6400 , T6500 , T7200 , XTR446 , TLKR , SPIRIT GT , SPIRIT GT+

HYT TC320 (A locking plug is also available)

If you would like to use this data on your own website then please include this link: Information sourced from

Use this data at your own risk. Wildtalk accepts no liability for any accidents or losses caused by use of this data.

01904 630 686
Get in touch!... No automated answering, just real human beings ready to help.

Contact Us

Wildtalk Ltd
Unit 4, 35 Hospital Fields Rd
YO10 4DZ

Tel | 01904 630 686
Fax | 01904 380 453