: Setting up digital P25 Phase I (FDMA) and legacy analog channels.
If you are a hobbyist, note that R120000 is often sold by authorized third-party vendors for a one-time fee (typically $150–$300). For commercial users, a subscription is mandatory. astro 25 cps version r120000
Users frequently report a bug in this specific version where the programming cable (RLN4008E or aftermarket equivalent) fails to negotiate baud rates. The solution is to manually set the COM port speed to 19200 in Windows Device Manager, not 'Auto'. : Setting up digital P25 Phase I (FDMA)