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How to find what freqs used ICOMs run?

RenoHuskerDu

Longtime VFD, rusty old scanner
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Bertram TX
A non-technical friend bought 25+ HTs from a school district. The FCC ID (link below) indicates that they run in 450-520 MHz. I checked all GMRS freqs but they are not transmitting there.

I'm concerned that he may be in violation of FCC regs if he runs these HTs. FCC says they trx either 1 or 4 watts. They have integrated rubber duckies, many of which are broken leaving only a bare coil wire. So that may be harmful also in terms of RF exposure.

I am shopping for a freq counter, but don't own one yet. Trial and error would take forever. Is there another way to find freqs?

 

mmckenna

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I am a lineman for the county.
Those are not GMRS radios.

They are analog/NXDN capable 450-520MHz 1-4 watts.

Likely the school had their own coordinated and licensed frequencies. Reading the programming from the radio would be the right path forward, and then reprogramming them to frequencies your friend is licensed for.
 

kny2xb

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North Clearwater, FL
If you have a scanner, or have a friend with a scanner, the Close Call feature will work in a pinch
Key the radio VERY briefly, just long enough to get the frequency readout/result

I just purchased a pair of used Icom F2000T's & used my scanner's Close Call to see what they're programmed with just for curiosity

I looked at the model of his radios, I think that the rubber ducks are removable/unscrewable

They could be replaced with new Icom ducks, for a little more $, I would go with Smiley antennas with the MX connector instead
 
Last edited:

RenoHuskerDu

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I was off air for years living in yurrup, and my only scanners are Radio Shack PRO-2067. They are slow so would probably not pick up the ICOM signal. I do have a ham buddy with a freq counter. Guess I'll make that trip someday soon.
 

RenoHuskerDu

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Those are not GMRS radios.

They are analog/NXDN capable 450-520MHz 1-4 watts.

Likely the school had their own coordinated and licensed frequencies. Reading the programming from the radio would be the right path forward, and then reprogramming them to frequencies your friend is licensed for.

The programming cable for ICOM F-4021S seems to be available. Looks like a Baofeng programming cable would even fit.

I'm checking for CHIRPability now. I doubt he will accept my advise to not use these. At least I could move him onto GMRS freqs.
 

mmckenna

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I am a lineman for the county.
Other option would be to find out what school/school district he purchased them from and see if they have/had an FCC license. May or may not be accurate, but it would be a starting place.

I'm always amazed by agencies that will sell their old radios with codeplugs still loaded in them. I make sure to flush all our old radios to remove programming info, encryption keys and any trunking system info. I replace it with a single RX only personality.
 

RenoHuskerDu

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I looked at the model of his radios, I think that the rubber ducks are removable/unscrewable

They could be replaced with new Icom ducks, for a little more $, I would go with Smiley antennas with the MX connector instead

You're correct. They can be removed. And the rubber duckies go for a low price from Bezos. Thank you.
 

RenoHuskerDu

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Other option would be to find out what school/school district he purchased them from and see if they have/had an FCC license. May or may not be accurate, but it would be a starting place.

I'm always amazed by agencies that will sell their old radios with codeplugs still loaded in them. I make sure to flush all our old radios to remove programming info, encryption keys and any trunking system info. I replace it with a single RX only personality.
He found them on the same government auction site where he buys vehicles to flip. So info on that school district is probably masked or lost. Gubbmint efficiency ...
 

kny2xb

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North Clearwater, FL
I was off air for years living in yurrup, and my only scanners are Radio Shack PRO-2067. They are slow so would probably not pick up the ICOM signal. I do have a ham buddy with a freq counter. Guess I'll make that trip someday soon.
The programming cable for ICOM F-4021S seems to be available. Looks like a Baofeng programming cable would even fit.

I'm checking for CHIRPability now. I doubt he will accept my advise to not use these. At least I could move him onto GMRS freqs.
I looked at an online manual for your PRO-2067, it doesn't have Close Call:(
I'd give your ham friend a buzz & see if he'll help you out

I don't know if a Baofeng cable would work or not, the Icom uses a single jack/port, the bottom/lower port, not the dual for programming
My F4GT, F21GM, & I presume my F2000T's are all the same jack/port as they use the same cable



I believe that the FTDI is preferred over the prolific

The software is available there also for free

I don't think CHIRP works on any Icom commercial rigs, I think that all the Icom rigs listed on the CHIRP site are ham rigs, I could be wrong on that
If he tries using those, interferes with a licensed user.....that could be bad
$18.00 or $27.00 + free software + a bit of time to reprogram would be an inexpensive investment vs getting into trouble, risking fines.....

These would make very nice GMRS rigs
 

kny2xb

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Not good ones, but I'm betting your friend doesn't care.
I see the 5-pack for $19.95, actual Icom ducks are $14.95 each

Stock ducks are too broad-banded for my taste

Personally, I'd replace the stock ducks with higher quality like the Smileys
That's just me

IF he's going to flip any of the radios, preferably after wiping the programming, then yeah, the 5-pack would do
I'd go for a better antenna for any that he keeps
 

wd8chl

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Apr 4, 2007
Messages
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Plus school districts do NOT belong on GMRS! They are not, and cannot be, licensed for it, unless they have a VERY old license from back in the late 80's-early 90's when the rules were changed. Then they would have been grandfathered in, but there isn't a lot of that any more.
But regardless, they need an FCC license for where ever they are.
 

rescuecomm

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I hear quite a few around here on FRS usually at let out times when I'm passing on the main roads. Schools in SC are funded at the county level so I guess nobody wants to buy APX or VP stuff.
 

Project25_MASTR

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I hear quite a few around here on FRS usually at let out times when I'm passing on the main roads. Schools in SC are funded at the county level so I guess nobody wants to buy APX or VP stuff.
Most of the school's in the OP's area use TRBO or NextEdge (either sold by CTS/Bearcom or S&P/Bearcom) with some extra stuff on GATRRS. Burnet CISD uses UHF TRBO radios (I think the elementary in Bertram still runs analog) and GATRRS specifically in terms of the radios. How do I know? I programmed most of Burnet CISD's radios at one point or another...
 

rescuecomm

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Considering the local schools are winging it on FRS, I was interested as to the funding for the radios. Were they state level grants or federal?
 
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