TCP/IP Smart Card Single Door Wiegand RFID Network NFC Door Access Control System Panel Security Board Access Control Device
Rs232 Ethernet USR-TCP232-410S Modbus RTU To Modbus TCP Gateway Serial RS232 RS485 To Ethernet Converters TCP IP Protocol IoT Device
Acrel AWT200-1E4SL Data Communication DTU 4 Ports Smart Gateway Download RS485 Upstream TCP Downstream RS485 Modbus Gateway
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