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

GA General Aviation Two Plug Wiring Data

01 November 2015


5.2mm Plug (available here)

Mic -
Common Ground for Mic.

Mic +
Carbon Replacement Mic Levels.

Grounding to Mic Gnd will cause the radio to transmit.


6.35mm Plug

Speaker Out and Side Tone

Spk Gnd
Speaker Ground (not necessarily commoned with Mic Gnd)

Not Connected

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