hf antenna 1.R/O, R/W. 2.125KHz, 13 ... SLI 4.Interface:USB, RS232/485,WG etc hf antenna . We provide the popular rfid readers1.Access reader1) id ... : RS485 or Wiegand26 or Wiegand34 Product name: Desktop ReaderOperating frequency: 125 KHz, 13.56 MHzSupply voltage type: +9VDC or ... USB or USB&RS232 Product name: ID Desktop readerOperating frequency: 125 KHzSupply current type: 90mASupply voltage type: USB ...