1.RS-232, Ethernet, Wiegand and customized 2.Wireless module GPRS/GSM, WIFI, Buletooth optional 3.Reading distance adjustable Feature1. Support RS-232, Wiegand 26/34 and customized interfaces2. Reading distance is adjustable by knob on reader or software, convenient for installation3. Wireless module GPRS/GSM, WIFI, Buletooth optional4. Power supply configurable by requirement5. Multi-group I/O ...