ID card reader/RFID transponder/encoder device using 125KHz and with USB interface.Plug & Play , need on usb driver, easy-to-us Happy new year---New year’s Specials Up to 50% off sale select ItemsPlease check our Aliexpree’s store http://www.aliexpress.com/store/101297125Khz EM4100/TK4100 RFID Proximity ID Card Reader/ RFID transponder/encoderDescription: ·125Khz EM4100 RFID Proximity ID Reader;· ...