Programming the Motorola GP340Ex for 70cm

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I received the programming cable from Amazon today (21st May) to program the Motorola GP340Ex radio, the Ex versions are ATEX certified so can be used in places with an explosive atmosphere, and are hard limited in power to 1W for this very reason, though this low power is good for battery life.
The original software I installed on the VM did not work with this radio so I had to find a newer version that functions fine, the radio is now set up for use on the 70cm band, the process of which is shown in this video, the frequencies for transmit and receive can be set independent of each other so a repeater could be programmed with relative ease if you know the input and output frequencies and CTCSS (or PL as Motorola call it).
The GP340Ex is my 4th Motorola radio after my two TLKR T62 PMR446 units and my GM350 Low-band VHF mobile on 4-metres.
An on air test will be done in a future video.
the cable I used is this one amzn.eu/d/iXzvI1F, it is seen by the VM as a physical serial port as this is set up to use serial ports on the Linux host that way
#hamradio #amateurradio #motorola #70cm
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Опубликовано:

13 сен 2024

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Комментарии : 5

@MrCacciLLo 2 месяца назад

Can you please let me know what driver should I use for the USB to Serial cable? Thank you so much

@PaulMcGeeM0WNU 2 месяца назад

The way I did this as I was running Windows in a virtual machine on a Linux host then no driver was required as the virtual machine was set up so the cable appears to Windows as just a serial port and Linux doesn't need any drivers for these cables as it comes with them, the cable I used is a prolific one so if used on a computer running Windows it may need the older prolific drivers if it doesn't work when plugged in at first

@MrCacciLLo 2 месяца назад

⁠@@PaulMcGeeM0WNUthanks for the reply Paul. I’m using it on an old computer with Windows XP and when I plug the cable it isn’t able to install or find the driver, so I’m on a dead end. I also tried in a PC with Windows 7 and the same thing happened

@PaulMcGeeM0WNU 2 месяца назад

@@MrCacciLLo If the cable has a Prolific chip inside chances are it will not work without using an older driver from around 2007 I think it is, this is because the vast majority of Prolific chips are often identified as fake and the current Prolific drivers in Windows somehow detect this and disable them, what you'd need to do is remove the existing driver, unplug the cable and then install an older one, a quick search around Google (or any search engine) for Prolific old drivers should bring them up

@MrCacciLLo 2 месяца назад

@@PaulMcGeeM0WNU Thank you so much Paul, at the moment the only way Windows XP or Windows 7 recognized the cable was by installing a driver called CH340, Windows recognizes it but the Motorola CPS software is not able to communicate with the radios (tried 3 of them). I don't know what Chip is inside the cable, I will try some Prolific drivers like you suggested. Thank you so much