First ribless cable is the RS232 to port RJ45 (front microphone socket). Ribless means you do not need any special box and the cable is connected straight to the computer. But as I am a bit pedantic person and I really wanted to make files systematic.īefore I decided to flash Motorola GM360 & GM340 radios, I used to program the radios in CPS software using ribless cables as shown on the pictures below. Theoretically it is nothing wrong, as each CPS (cpg) file is assigned to a specific radio. After buying the radios I found very quickly each of them use different firmware, so each codeplug needs to be in a different version. Other two are for testing and playing as well. I used 2 of them to run a GB7FT DMR repeater in Portsmouth and 2 other ones are in a test repeater now. Few months ago on eBay I bought 4 x GM360 and 2 x GM340. If you decide to follow my procedure, you do it on your own risk, as it is possible to corrupt (brick) the radio firmware so in many cases it won’t be usable anymore without professional help.īefore I start I would like to say thank you to Derrick Mulvana M1AKH who helped me with some confusions on that project.Ībout being professional: I am not a professional radio engineer however I always try to improve my knowledge and just always try to have a fun with my radios. This article is about flashing Motorola GM3xx series with a new firmware, so it won’t be about CPS programming.
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