Icom Land Radio 2 Pin Wiring Data
Wildtalk Earpieces with this plug end with the part number -IS
This wiring plan is for Icom Land Based radios, non submersible models only. It does not apply to other Icom radios.
2.5mm Pin
Mic Gnd.
Common Ground for Mic.
Mic & PTT
Electret Mics only connected here. When Mic is connected via PTT to Ground the radio transmits. (Mic and PTT are in series).
5V
5Volts via a 470R resistor is available here (on some radios.)
3.5mm Pin
Spk+
Speaker Out
Spk Gnd
Speaker Ground (not necessarily commoned with Mic Gnd)
Prog
Porgramming wire for programming the radio.
Radio Models
Most Icom LMR (Land Mobile radios).
If you would like to use this data on your own website then please include this link: Information sourced from Wildtalk.com.
Use this data at your own risk. Wildtalk accepts no liability for any accidents or losses caused by use of this data.