The P-300 Cascade Proximity Reader is a member of the Pyramid Series Proximity line of OEM proximity readers, cards and tags for access control from Farpointe Data. Making use of proven digital radio frequency identification (RFID) technology, it may be mounted directly to a metal door or window frame (mullion). Additionally the P-300 features the option of HID proximity compatibility (model P-300-H) allowing it to read both HID and Pyramid Series cards and tags.