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Old 01-26-2013, 8:47 PM
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Default Johnson for gmrs use

i recently acquired 2 johnson challenger mobiles FCC ID: ATH90F2427170 and would like to set them up for gmrs use. problem is all i have right now is a heavy paperweight lol. they didnt come with a microphone or the power wires. anyone know if i can get those and also get programming cable and software for them?
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Old 01-26-2013, 9:48 PM
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I tried that FCC number on the FCC OET authorization search and found nothing.
Are you sure that is the right number?
Maybe one of the "zeros" is really an eight or some other error.
If those are authorized radios, they should come up in the OET search and you could start there to find out something about them.
Then go from there...
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Old 01-26-2013, 10:09 PM
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i tried replacing the 9 with an 8 and even changed the f to an e and still noting. i even searched on google and still nothing
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Old 01-26-2013, 10:11 PM
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Default Johnson for gmrs use

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Old 01-27-2013, 12:22 AM
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For your programming cable, try http://www.rfguys.com/products/ef-johnson?pagesize=12. As for the software, the internet is your friend.
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Old 01-27-2013, 3:15 AM
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Default Johnson for gmrs use

Thanks. Still not sure exactly what model I have though.


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Old 01-27-2013, 9:22 AM
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Quote:
Originally Posted by redneckcellphone View Post
Thanks. Still not sure exactly what model I have though.
The FCC ID number is NOT the model number. There should be another tag on the radio with model and serial number info. The model number is what you need to determine if the radio is even capable of UHF operation.
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Old 01-27-2013, 4:03 PM
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You are right, the FCC ID is not the model number.
But that FCC ID will tell you what the freq range, freq stability, TX emission designator, power output and FCC authorization ( PART 15, 90, 95, or 97 ) you might want to know.
A model might be band specific, or might apply to two or more bands.
So, if you have a good readable FCC OET authorization number, it will tell you a lot very quickly, then you have more info to work with looking for model, programming info, etc.
Not how everyone looks these up, but one of the ways I do it.
That FCC ID of ATH90F2427170 only comes up as a part 15, and the explanation is that it is a receiver, 450 to 512. And something like CB and communication receiver.
Makes no sense to me, unless that is a receive only radio.
Then again, it is from 1986, so that file info could be outdated.
I could not find anything by putting in the whole number.
But if you put in the ATH in the first "field" and only the 90 in the second field, the OET search will bring up several pages of possibles authorized to E.F.Johnson.
That whole ID number is on the second or third page.
Kinda weird.
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