This device extends the original P275's capabilities with two independent relays, driven by alarm outputs. Several options available for each relay. Total four alarm outputs are provided, with LED status indication for each output. The relay pins and the Alarm outputs are accessible via terminal blocks. The device is equipped with USB B-type socket. The aluminum case provides excellent shielding in strong RF signal environment.
 
The device is fully compatible with the P275 FM Analyzer. The FM Scope control software for Windows is used for setup and provides access to all measurements and values. The RDS Spy software allows to analyze RDS content down to bit level.