... -reading, with special designs to eliminate interferingUpgrade firmware by serial port onlinePowerful APIExpansive FunctionsRS-485 bus, Wiegand and CAN bus ... level signal output, 2-channel photoelectric isolation input Firmware UpgradeSupporting serial port Application Software PlatformAPI(C++, C#) development kit (can be ... +80°C Humidity 5% ~ 95%(non-condensing) SAAT-F805 4-port UHF RFID Reader