INTERFACESpecification APPEARANCEExternal AppearanceModel: WS-ARFID4SX2 Model: WS-ARFID4SX2-L SPECIFICATIONTechnical specificationsSpecification of UHF RFID Active ReaderWorking Frequency: 902~928MHzAntenna: Built-in four high gain directional antennasReading Distance: The host reads 250 meters in each directionReading Ability: The Reader is able to read 2000 Tags simultaneouslyCommunication Interface: RS485, WiFi, 2G/3G/4G (Choose one)Output Power: 12dBmWorking Voltage: 9~50V (POE power supply)Feature: Full-color LED with reminder or warning indicator in four directionsWorking Temperature: -10°C ~ +60°CStorage Temperature: -10°C~+80°CWorking Moisture: 20%~95% (no Condensation)Size: 203*157*157mmSpecification of TagWorking Frequency: 902~928MHzOutput Power: -3~12dBmFeature: When the transmission power is below 0dBm, the battery can be used about 7 years.Structure: Ultrasonic sealing, good sealing, IP67 waterproof rating.Working Temperature: -10°C ~ +60°CStorage Temperature: -10°C~+80°CWorking Moisture: 20%~95% (no Condensation)Size: 43.3*41.7*10.3mmHandheld ReaderWorking Frequency:902~928MHzProtocol: EPC Class 1 Gen 2 ISO18000-6C IS18000-6A/BAntenna: circular polarized antenna (RHCP)RF Power: 1w (30dBm)Reading Range: able to reach 7 meter (depends on environment tag size or function)Display: OEL Display 96x39 pixelsMemory device: Micro SDBlue tooth: Bluetooth V2.1+EDR Class2WiFi: IEEE802.11b/g standardWiFi Encryption and Authentication: WEP64/WEP128/ TKIP/CCMP(AES) OPEN/WPA-PSK/WPA2-PSKAdaptor: DC 5V/1ABattery: Build- in 3.7 v 3000 mAh Li-ion Rechargeable BatteriesOperating temperature: 0℃ to +50℃ (+32°F to +122°F)Storage temperature:-10°C~+80°CHumidity:20%~95%(non-condensing)