AD203 Stinger Board *

Extremely thin, you don't have to remove your speaker!

SPECIFICATIONS
Transistor : (4) RM3
Frequency Range : 25-30MHz AM/FM
Input Power : Recommended -> 2.5-3watts max -> 4 watts
Output Power : 100-150w PEP
Size : 4" x 4" x 1"
Fuse : 5amp

NOTE: Do not install in any radio that will key more than 4 watts.

*These units are for industrial, scientific, medical, or export use only. It is a violation of US FCC regulations to operate these units on the Citizens Band or Amateur Radio Services in the United States. Please check regulations in your country before operating these unit.

frederick jefferson |
05/20/2020

Put this in my cobra 1000gtl base station works great.

frederick jefferson |
05/20/2020

Great board put in cobra 1000gtl base station.

THIRD EYE 747 |
02/04/2020

I USED THIS BOARD AND I GOT ABOUT 25 BIRD WATTS AND 50 TO 60 PEP SWING. THIS WAS ALL DONE ON A COBRA 29 CLASSIC.I GAVE THE RADIO A 2 WATT DEAD KEY TUNE.BOARD DOES BETTER THAN THE 520 MOSFET CHANGE OUT. ON THE SCOPE IT WAS NOT THAT BAD,WITH A LITTLE IT WAS OK.

Josh Roach |
04/01/2008

I put the stinger board in almost all of my moble radios. I have even put it in i few bases. The output of the board is really set by how good the radio does. The power output is somewhere between 55 to 60 watts.

jon morrow |
07/20/2007

I USED THE STINGER IN A HOMEBREW PROJECT AND WAS PLEASED TO FIND THAT THE OUTPUT WAS QUITE CLEAN WITH 3.5 WATTS DRIVE, BUT BEGAN TO DISTORT AND GENERATE OUTOFBAND HARMONICS AT 4 WATTS.THIS WAS EXPECTED AND NOT A PROBLEM. BY CALCULATING 5 AMPS X 12 VOLTS=6O WATTS INPUT, THEN 60 WATTS X 50%=30 WATTS OUTPUT, I DECIDED THE STINGER WOULD WORK AS THE DRIVER FOR MY PROJECT. THE ACTUAL OUTPUT WAS 35 WATTS WHICH WAS SURPRISING, BUT STILL NOWHERE NEAR THE 200 WATTS ADVERTISED.

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