![]() ![]() ![]() Motorola gm340 programming software software# You can make your own or just search on Ebay for "GM300 programming" or make programming interface from below "at your own risk" You will also need a simple interface to connect the radio to your PC. GM300 programming connection When looking at the radio here are the numbersĪs you can see to make the programming interface for your GM300 is very basic.Ĭonnection your Motorola GM300 for Echolink or IRLP etc. If you want to use the COS/COR output from your GM300 the COS/COR on pin 8 is (active low). Many interfaces need a COS/COR input that is (active high) at 2 to 5vdc. You can make up a circuit to convert the output from pin 8 or take a COS/COR output from inside the radio that will give you a (active high) output. You will need to access the logic board on the underside of the radio. Remove the front of radio and the bottom cover and lift off the RF shield. Motorola gm340 programming software professional#.Motorola gm340 programming software software#.Motorola gm340 programming software driver#.Motorola gm340 programming software serial#. ![]() Motorola gm340 programming software install#. ![]()
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