Surface mounting without inductive loop. Phonie adapter cab speaker and microphone

Adapter cabin. Voice speaker and microphone. Comes with a patch cable to the electronics cab roof and a cable for the NO button or NF existing cabin. Stainless steel front vandal: dim.150 x 85 x 20 m. Pictograms bright "yellow and green" to inform that the request for help was issued and recorded. Former reference: ADV4-F03