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Four Channel Modbusrs232 Relay Module DC7-24V Power Supply Modbus RTU Four-way Relay Module RS232/TTL UART 4 Way Input/Output

USD 6.67USD 9.96

Four Channel Modbusrs232 Relay Module DC7-24V Power Supply Modbus RTU Four-way Relay Module RS232/TTL UART 4 Way Input/Output

Description
Specification
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