... Management 5.Warehouse Logistics, Vehicle & Parking RFID Fixed Reader SAAT-F805 reader operates in UHF frequency band, with long distance reading, high ... Expandable ModuleGPRS/GSM Module, CDMA, 802.11 Module I/O Interfaces2-channel Relay Output, 2-channel 12V level signal output, 2-channel photoelectric isolation input ... °C Humidity 5% ~ 95%(non-condensing) SAAT-F805 4-port UHF RFID Reader