I have an original OpenSPOT1, I'm aware it does not respond to Unlink command from the associated radio, can someone advise which model of OpenSPOT will respond to the Unlink command so I can upgrade.

Thanks,

Thankyou, in which case that is the upgrade path for me. 73.

    GM0DYU If you are looking for complete cross mode capability then you might consider the OS4 Pro which has the AMBE chip required to cross-mode particularly with DSTAR. The openSPOT4 does not have this capability.