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Programming software for Motorola GM300 (download here)

Moleculo

Moleculo

Ham Radio Nerd
Apr 14, 2002
9,322
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Attached is the software for programming and aligning the Motorola GM300 radios. This is DOS software and you need a real serial port. A USB-Serial adapter will not work.

Enjoy!
 

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Hey Man. First Off Thank You For Putting Up The Software. :thumbup: BUT. Any Tips On Getting It To Work On 64bit Windows 7? :headbang
 
ok why does it ask me to download an installer for it and also i can program my radio via the ethernet port
 
will said:
Hey Man. First Off Thank You For Putting Up The Software. :thumbup: BUT. Any Tips On Getting It To Work On 64bit Windows 7? :headbang
Click to expand...

It will only work on a PC with a real serial cable. Also, the application may not work on some modern machines because they're too fast (believe it or not). Download something like DOSBox, which will let you emulate older processors
 
Im not understanding what this is then? Its 1 cable verses the setup you posted can you explain? They both say programming cable which is why Im confused LOL!!
 
The one I posted will do several different models of Motorola radios. The only connector you need for the GM-300 is the RJ-45, which goes into the mic slot. There are cables on eBay that just have that connector if that is what you want.
 
I have one of these radios with an advertised range of 146 - 176 MHz. Is there a modification that will permit tuning it to the full amateur 2 Meter range (i.e., down to 144 MHz)? Some of the local repeaters go down to 144.830 MHz. Thanks!
 

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    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
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