The BPP series of audio door entry panels from Bell Systems contains the integral BPR Bellprox proximity reader. It is manufactured from standard aluminum and is suitable for surface mounting. The Bellprox BPR proximity reader allows free access for residents, tenants or staff. The inclusion of a compact standalone proximity reader on the entrance panel allows authorized entry to the building using a key fob. Visitor access is controlled by the telephone entry system, it is a compact proximity reader based on the Mifare 13.56 MHz tag technology with up to 1000 fob-users.