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Mic Pin LayoutsHere you will find microphone pin layouts, as well as microphone switch wiring layouts for a large selection of microphones and radios.Go To:
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Pin 1 = Ground / Shield | |
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Pin 2 = Modulation | |
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Pin 3 = Transmit (TX) | |
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Pin 4 = Receive (RX) |
Midland**, GE, Colt, Pearce Simpson, Robyn, and Others
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Pin 1 = Modulation | |
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Pin 2 = Ground / Shield | |
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Pin 3 = Receive (RX) | |
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Pin 4 = Transmit (TX) |
Midland "Star Max"
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Pin 1 = | |
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Pin 2 = | |
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Pin 3 = | |
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Pin 4 = |
Currently not available
Pace
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Pin 1 = Modulation | |
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Pin 2 = NC | |
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Pin 3 = Ground / Shield | |
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Pin 4 = Transmit (TX) |
Keep a record of your mic layout!
Click Here
for a printable page with a 5 pin plug and Switch Diagrams.

Cobra, Uniden, President, and Others
| Pin 1 = Modulation | |
| Pin 2 = Shield | |
| Pin 3 = Receive (RX) | |
| Pin 4 = Ground | |
| Pin 5 = Transmit (TX) |
HR2510, Lincoln and Emperor
| Pin 1 = Modulation | |
| Pin 2 = Shield / Ground | |
| Pin 3 = Transmit (TX) | |
| Pin 4 = Ch up* | |
| Pin 5 = Ch Down* *Click Here for more info on Ch wiring. |
Keep a record of your mic layout!
Click Here
for a printable page with a 6 pin plug and Switch Diagrams.

Ranger
| Pin 1 = Shield / Ground | |
| Pin 2 = Modulation | |
| Pin 3 = Transmit (TX) | |
| Pin 4 = Receive (RX) *not needed on all models* | |
| Pin 5 = Ch Up* | |
| Pin 6 = Ch Down* *Click Here for more info on Ch wiring. |
President George, Magnum
| Pin 1 = Modulation | |
| Pin 2 = Receive (RX) | |
| Pin 3 = Transmit (TX) | |
| Pin 4 = Ch Up & Down* | |
| Pin 5 = Shield / Ground | |
| Pin 6 = +13.8volts *Click Here for more info on Ch wiring. |
Radio Shack
| Pin 1 = Modulation | |
| Pin 2 = Receive (RX) | |
| Pin 3 = Transmit (TX) | |
| Pin 4 = Ch Up & Down* | |
| Pin 5 = Shield / Ground | |
| Pin 6 = NC *Click Here for more info on Ch wiring. |
Midland
| Pin 1 = Shield / Ground | |
| Pin 2 = Receive (RX) | |
| Pin 3 = Transmit (TX) | |
| Pin 4 = NC | |
| Pin 5 = Modulation | |
| Pin 6 = NC |
Keep a record of your mic layout!
Click Here
for a printable page with a 5 pin Din plug and Switch Diagrams.

Cobra, Uniden, President, and Others
| Pin 1 = Modulation | |
| Pin 2 = Transmit (TX) | |
| Pin 3 = Shield | |
| Pin 4 = Ground | |
| Pin 5 = Receive **Sometimes pin 3 & 4 need to be hooked together |
Realistic, GE, Radio Shack, Sears
| Pin 1 = Shield / Ground | |
| Pin 2 = NC | |
| Pin 3 = Transmit (TX) | |
| Pin 4 = Modulation | |
| Pin 5 = Receive (RX) |
Colt
| Pin 1 = Modulation | |
| Pin 2 = Shield / Ground | |
| Pin 3 = Transmit (TX) | |
| Pin 4 = NC | |
| Pin 5 = Receive (RX) |
Astatic
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White = Modulation | |
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Shield = Ground (for modulation) | |
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Black = Receive (RX) | |
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Red = Transmit (TX | |
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Blue = Ground (for RX & TX) | |
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Yellow = Not Used |
Road King
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White = Modulation | |
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Shield = Ground (for modulation) | |
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Black = Receive (RX) | |
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Blue = Transmit (TX | |
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Red = Ground (for RX & TX) | |
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Yellow = Not Used |
Cobra stock mic
**NOTE
Not all stock mics share the same cord or colors for that matter.
Listed below is the most common, if this configuration does not work consult the
Connections section on the Mic
Wiring page.
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White = Modulation | |
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Shield = Ground | |
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Black = Receive (RX) | |
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Red = Transmit (TX) |
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