Question about Cherokee CBS-500 (40 Channels) 2-Way Radio

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Mod frequencies Like to go above 27.405

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Modifying this radio to go beyond the 11 meter spectrum is against FCC regulations.

Posted on Feb 12, 2014

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1 Answer

How do I remove the frequency restrictions on icom f7000 HF radio so it can transmit from 1.6 Mhz to 29.999 Mhz


This is the only Mod I am aware of https://www.youtube.com/watch?v=AGhPLpifAoU It was no easy find. Being its a SDR radio. I am unsure of any mod sites hosting any mod aside from receive. Except in this case of the video here.

Dec 15, 2016 | Radio Communications

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How come my icom 756 pro did not transmitting on 8000 frequency


You have to modify this radio to operate outside of the HAM bands. You will likely find the modification at www.mods.dk. This is a pretty common and easy modification for HAM radios. Your performance may not be as good as in the HAM bands.

You do this MOD at your own risk. If you are not licensed for operation on ANY frequency or band, you are not legally allowed to transmit. Heavy fines may be levied against you.

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How can I change the MHz frequency


How to change frequency on RC toy car? - Instructables

www.instructables.com/.../How-to-change-frequency-on-RC...

InstructablesAug 4, 2009 - My friend and I bought 2 rc toys (1:18 scaled Ferrari F1) just for fun, but they work on same frequency (40.685 MHz) so we can't drive at same time. So i need some suggestions on how to change the frequency on one of them. The transmitter have quartz crystal, but receiver have only ...

Modding Fisher-Price 72825 Formel Junior Fernlenkflitzer

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InstructablesI'll show you how to modify a rc toy car to work on a different frequency. ... the method I describe here should work with nearly every rc car. ... if you mean to change thefrequency from lets say 27.005Mhz to 27.415Mhz, it's basically the same.

How to change frequency on RC toys - Instructables


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1 Answer

What are the applications of a band pass and low pass filters?


A "band pass" filter attenuates all frequencies except those in its specified range. A "low pass" filter attenuates frequencies above a specified frequency (permitting only lower frequencies to "pass"). A "high pass" filter attenuates frequencies below a specified frequency (permitting only higher frequencies to "pass").

For example, a "band pass" filter rated for 500MHz-4GHz will effectively eliminate all frequencies below 500MHz and all frequencies above 4GHz. A "low pass" filter rated at 10KHz will effectively eliminate all frequencies that are above 10KHz. A "high pass" filter rated at 70Hz will effectively eliminate all frequencies that are below 70Hz.

Jul 25, 2011 | Computers & Internet

1 Answer

How do i get expanded freqs on my ft1802 yaesu tranceiver


The FT-1802 is a 50 watt 2 meter FM transceiver. It can transmit anywhere between 144 - 148 Mhz (the FM portion) of the 2 meter ham band. It can receive anywhere between 136 - 174 Mhz without any modifications. There is a modification to enable transmit "out of band" below:

http://www.ham.dmz.ro/yaesu/ft-1802-extended-transmit-modification.php

There are few details about the results of this mod - typically these provide for transmitting on frequencies outside (above, below or both) of the 2 meter ham band. Transmitting outside of the ham band without a proper license for the frequencies in the U.S. is a violation of FCC rules.

Sep 08, 2009 | Yaesu Radio Communications

1 Answer

Open the frequency from 137-173mhz in th-th-k2e transceiver


google mods dk look under kenwood modifications. you will have to join membership is free basis a fee for premium downloads. you can get this mod free.

May 14, 2009 | D-Link DHP-301 Transceiver

1 Answer

Reparing 29 LTD


Depending on what you mean by "off frequency". The 29LTD, like all other 40-ch radios is PLL controlled, referenced to a 10.240 Mhz crystal. The channels are all mathematically synthesized by a higher frequency VCO and the PLL controller chip. If the PLL detects the frequency is not "locked on" it shuts down transmission. If the frequencies are there, but "out of band" then I suspect that there has been modifications done to the radio to make it so. If you want the radio back to stock, undo the mods. If the radio is out of band, and no mods present, then there is a problem with the PLL. Sometimes that may stem from someone getting into the radio and "tightening all the screws". (the shops just LOVE those!)
If the channels are in band but seem a little off, there is some adjustment in the form of a small trimmer capacitor near the crystal. But to adjust it properly, you should employ a frequency counter.

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1 Answer

Yaesu


Here is a good website with radio mods for most radios, here's the mod for the vx2, also note the other files, I guess that radio has had a few problems in the past....
http://www.ham.dmz.ro/yaesu/vx-2r-freeband-mod.php

Oct 29, 2008 | Radio Communications

2 Answers

We have a Hampton Bay fan and light kit Mod. # UCFO515 The transmitter/receiver are not talking to one another. Do you sell the unit to replace it?? Would appreciate your help. Tom and Candy


did u check the frequency's each has the four little tabs that have to be matched. Its a simple up or down on 4 little keys. u almost need an eyeglass screw driver to move them. If the keys on the transmitter above the fan do not match the keys in the remote they r on different frequencys.

Apr 19, 2008 | Hampton Bay 54 In. 5-Blade Fan, Chestnut,...

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