... RS232/TTL/Wiegand selectable 2.Support EM/TK4100,EM4200 card 3.Less than USD9.00/ ... 125KHz RFID reader module, which is applicable to EM4100, TK4100, EM4200 etc. cards. Configured with RS232, Wiegand26 interface ... Model NumberInterfaceDescriptionsRDM630-SRS232 EM4100, EM4200,TK4100 ReadableRDM630-WWiegand26EM4100, EM4200,TK4100 ReadableRDM630-TTTLEM4100, EM4200,TK4100 Readable. LF antenna optional for ...