... SDK and Demo Multi-channel Fixed RFID Reader ZK-RFID401(Four- Channel UHF RFID Reader) is ... asset management,inventory management,attendance, etc.Specification: Model No.ZK-RFID401ProtocolISO18000-6B, ISO18000-6C (EPC C1 ... port ANT1~ANT46. LED indicator LED1~LED7 No.SymbolComment1LED1Antenna 1 active indicator2LED2Antenna 2 active indicator3LED3Antenna ... -rfid.com/en/4-Channel Fixed UHF RFID Reader Multi ...