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Mobile Communications For Any Situation. Part one (TX Mod)

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Uploaded on Oct 22, 2010

Modification of an Alinco DR-635 dual band radio (144/440Mgz) to expanded transmit capability (MARS/CAP) 137Mgz-175Mgz, 420Mgz-480Mgz range. Their are many other dual band radios with the same capabilities and more, this one is just one I stuck with as a simple, easy to use, no frills mobile radio.
There are many other radio bands to use, this is a small slice I like to use because of its proximity to Fire/Law/EMS/Govt frequencies for monitoring. It's close to FRS, MURS, and GMRS frequencies as well.
Nothing wrong with our CB and longer wavelength cousins, antenna construction and size limitation gets a little challenging when you are trying to be discreet in those bands. Don't want to spend the money either.

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