My company is switching to new radios in the next month or so. Rumor has it we are getting xpr7580e's. I was told that they are on a connect plus system. My question is how is that different from a smart net or P 25 trunked system. Could I add smart net or P25 freqs to it. Can it also do 800 digital coventional freqs?
Connect Plus is a Motorola Mototrbo variant of DMR .
DMR is a TDMA specification developed by ETSI in Europe. It was adopted in the US.
P25 is an entirely different standard developed by APCO and the EIA/TIA in the US, it has been adopted elsewhere. It is primarily FDMA but has an extension to TDMA in phase 2. There are similarities to DMR, but they are incompatible.
If the radios you are getting are 800 MHZ you could add 800 conventional frequencies. The caveat being the "digital" part. They would have to be DMR, not P25 or anything else. Also if the radios are being rented, the system owner might not permit other frequencies in the radios. They might even be password protected.
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