Harris ISSI Gateway

Communicating between various P25 radio systems isn’t a problem with the ISSI Gateway Inter-RF Subsystem Interface. This software solution, allows communication to take place even when users are roaming from one system to another. With this technology there is no need for manual intervention.

Inter-RF Subsystem Interface also allows organizations to continue to use their existing systems and upgrade as needed.


  • Unit roaming
  • Supports up to 200 concurrent group calls
  • Works with Harris VDA or off-the-shelf hardware
  • Backward compatibility