... more than 17 years experiences RFID reader, high quality FRID Card reader:1.Key Features of RFID Card Reader :1.Frequency: 13.56MHz2. ... : -20 to +70° C2.Main Application of RFID Card Reader :1.Access control system2.Identification authentication3.Time attendance4.Customer loyalty ... /34,RS232/485,10/100M,automatic adaption to Ethernet,USB,Bluetooth,WIFI,GPRS(the last four customized)Operation temperature ...