RS485 RS232 (TTL) RTU Control UART DC 6-24V Relay Switch Board PLC Support For Modbus AT Relay PLC Board

RS485 RS232 (TTL) RTU Control UART DC 6-24V Relay Switch Board PLC Support For Modbus AT Relay PLC Board
sku: 33062603853
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$5.74
Shipping from: China
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