HY-RDM630 125KHz / 134.2KHz Reader Module Access Control RFID Reader Writer Module
HY-RDM630 is a module of 125KHz read-only EM4100 / TK4100 125KHz cards, which can read and output CSN card number. It can choose the Wiegand26, Wiegand34, RS232 or TTL output format.