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RTU 5024 GSM 4G Wireless Remote Door Open Controller Garage Room Farm Gate Relay Switch Home Security System

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Taidacent D100 Fingerprint Control Board Modified Fingerprint Identification Module MODBUS Access Control Relay Switch

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Taidacent Fingerprint Control Board Modified Fingerprint Identification Module MODBUS RTU Access Control Relay Switch

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DC 24V 8 Ch RS485 Relay Board Modbus RTU UART Remote Control Switch DIN35 Rail Box for PLC Automation Control

MODBUS RTU Protocol Industrial Remote IO Module with 4 Relay Input and 4 Relay Output

MODBUS RTU Protocol Industrial Remote IO Module with 4 Relay Input and 4 Relay Output

Mini DC 12V 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32

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STM32 16 Channel Analog/Digital/Relay Network Data Acquisition and Control Device Ethernet to Rs485 Modbus RTU

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Huaqingjun Factory Wholesale 32-Channel RS485 Communication Relay Module Modbus RTU Protocol Remote Control DO Modules for PLC

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STM32 16 Channel Analog/Digital/Relay Network Data Acquisition and Control Device Ethernet to Rs485 Modbus RTU

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DC 12V 24V 32ch Modbus RTU RS485 Relay Switch Board UART Serial port Module DIN Rail Box PLC expanding board

DC 12V 24V 32ch Modbus RTU RS485 Relay Switch Board UART Serial port Module DIN Rail Box PLC expanding board

Universal 433mhz Receiver Controlled by RF or Keypad AC DC 7-32V 85-250V 2CH Garage Door Relay Momentary Toggle Latched Module

Huaqingjun 4-Channel RS485 Communication Relay Module RS485 Modbus RTU/232 Relay Output Module for Greenhouse Control

2 in 1 12CH Modbus RTU/TCP DIO Network Ethernet Controller RS485 Relay Module DC 12V 24V

433mhz 2 Channel Universal Garage Door Receiver RF and Keypad Control AC DC 7-32V DC 85-250V Relay Module

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Huaqingjun 4-Channel RS485 Communication Relay Module RS485 Modbus RTU/232 DC24V IO Module for Sensor

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R4D5E32 32Ch 20A DC 12V 24V High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board

32Ch DC 12V 24V 20A High Current Ethernet/RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board

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