Internal RFID card reader for installation in 2N IP Force intercoms. Allows the use of EM4100, EM4102 and HID Proximity cards. Another two switches, two logical inputs and a OSDP interface are available. OSDP protocol, which provides higher security than the Wiegand protocol and encrypts the transmitted data. It is compatible with the 2N IP Force two-button and pictogram models (01340-001, 01334-001, 01341-001, 01335-001). It also includes a security switch to signal when the front panel is opened.