1.RS232/TTL/Wiegand selectable 2.Support EM/TK4100,EM4200 card 3.Less than USD9/PC 4.Antenna size optional rfid reader module for EM & Mifare card Key Features:ü Available in 125KHz Radio Frequencyü RS232, TTL, wiegand26 interface ü Easy to Integrate, Compact Sizeü High Performance, Low Cost, 3V or 5V optional Pin Definition: 1. Weigand26 interface2. RS232 interface, TTL electrical levelP1- ...