Adjust the channel bandwidth (12.5 kHz for narrow-band, 25 kHz for wide-band). Step 5: Write the New Configurations Click the icon, or navigate to Device > Write .
However, technology has evolved. Today, many aftermarket can communicate directly with the radio. These cables incorporate the necessary electronics directly. One user reported that a USB RIB-less cable worked successfully with the GM339 after finding the correct software version. However, another user found that using a USB-to-serial adapter in combination with a serial RIB-less cable was unreliable and a waste of time. Therefore, purchasing a dedicated USB RIB-less cable is generally recommended.
This is usually a COM port mismatch. Ensure the software settings match the COM port number in your Windows Device Manager. motorola gm339 programming software
Click the icon on the toolbar, or go to File > Read Device .
: Plug the RJ45 end of the cable into the microphone jack on the front panel of the GM339. Connect the other end to your PC. Power On : Turn on the Motorola GM339 radio. Adjust the channel bandwidth (12
Most people expect to use — but the GM339 is actually part of the Professional Series , closely related to the GM340, GM360, and GM380.
Alternatively, an old-school cable connected to an older PC or a high-quality USB-to-Serial adapter (such as one with an FTDI chip). Driver Setup Today, many aftermarket can communicate directly with the
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