Complex sentence: The SUNA broadcast service is fully compliant with both the RDS and TMC standard however the broadcast is encrypted and therefore will not work on all in-car GPS navigation systems that do not have a commercial arrangement with SUNA.
Split into simpler sentences: The SUNA broadcast service is fully compliant with both the RDS and TMC standard. However, the broadcast is encrypted and therefore will not work on all in-car GPS navigation systems that do not have a commercial arrangement with SUNA.