Reference:
DS-KD-M
Reader module for Mifare cards (13.56 MHz) for outdoor IP station, for modular IP intercoms for housing. Supports door unlock with password or proximity card. RS485 connection. Requires flush mount frame or surface. IP 65 protection. It is powered from another modular IP intercom module, 12 VDC input and 12 VDC output. Dimensions (mm): 98.2 x 100.2 x 33.7 mm.