The intercom PT510WDG is an audio station of Project series belonging to digital system FN4000.Being already encoded it allows the direct connection to the FN4000 cabbling and it reassumes on the whole the features of the decoder 4231TP and the handset PT510EW. It is equipped with door lock release key and spiral cord. Conceived for installations with essential functionalities it guarantees the great part of the fundamental performances of the decoder 4231TP to exception of additional services as the floor call, the connection in parallel of another intercom, the generation of anti panic call to the concierge desk and the command AE.