FreshRF protocol stack has been re-written and re-written over many years and more recently optimised for the Android environment. The SmartBridge application effectively communicates with the radio using the specific protocol stack to suit the radio. Think of it like the old days of computers interfaced to a modem telling the modem what to do, and getting updates back on status.
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Does SmartBridge work with other radios, eg Motorola or Hytera radios?
No, not at this stage, but we are actively looking at this and would welcome contact from dealers or end users with a suitably large fleet to justify this work.