RS485/TTL UART 220V 4 Channel Power Supply Modbus Relay Module RTU Four-Way Input Output Support Standard Modbus RTU Protocol

RS485/TTL UART 220V 4 Channel Power Supply Modbus Relay Module RTU Four-Way Input Output Support Standard Modbus RTU Protocol
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sku: 1005003031541044
$6.40
Shipping from: China
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