Using Motorola GTX900 Mobiles to make a homebrew repeater?

asked 2017-02-23 06:52:36 +0200

this post is marked as community wiki

This post is a wiki. Anyone with karma >750 is welcome to improve it.

Just don't know if it has all the right connections on the accessory plug.

Any thoughts?

Motorola GTX 900

Pin Number Description

Motorola GTX 900

Pin Number Description 1 External Speaker- 2 External Mic Audio 3 External PTT 4 External Alarm 5 Flat TX Audio 6 SCI Data In 7 Ground 8 SCI Data Out 9 Emergency Switch 10 Ignition (+12V to turn on radio) 11 Flat RX Audio 12 General Purpose I/O 13 Internal Speaker or Ground or Sw +12V (see below) 14 Hook Switch 15 RSSI Buffered 16 External Speaker+

edit retag flag offensive close merge delete