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Posts: 18
Registered: January 2015
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Maxon GMRS Mobile/Base
Quantity Views Date Posted
1 2066 Sun November 6, 2016
Asking Price Shipping Amount Condition
$100.00 None Great

Maxon SM-4450C, 16 channel UHF radio (450-470 MHz). Programmed for 8 GMRS repeaters and 8 talk around frequencies. The radio is rated for 40W on transmit. I have it turned down to 25W, but you can change it if you like, via a trim pot.

I will include the Operator's Manual and the Service Manual (as PDF), as well as the programming software. The programming was officially done with a serial programming cable that plugged into the top circuit board (RF Guys sells a cable, but I have the schematic for the official cable). However, the 93C56 serial EEPROM is socketed and can be removed for programming (which is what I did). I'll send instructions.

As you can see in the picture, the matching Maxon power supply and a non-Maxon microphone are included. The power supply has a large speaker inside, which plugs into a jack on the rear of the radio, disabling the radio's internal speaker. On the front of the power supply is a clock.

Asking $100, plus shipping/insurance for everything.


Keywords: Maxon GMRS Mobile/Base

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