RFID reader in standard EM4100 (125kHz) with keyboard and interface of Wiegand. Accessories producer: SeburyProduct page: RFID Reader R3 - RJ45 Tested withFirmwareResult HWg-SH41.0.10 and laterOK Connection RJ45 norm B color Funkction HWg-R3 white/orange 1 - out 1 gray orange 2 - out 2 purple x 3 – Txd x blue 4 – GND black x 5 - in 1 x green 6 - D0/Rxd green white/brown 7 - +12V red brown 8 - D1 white R3