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Dc 12V 24V 2Ch DB9 Uart Relay Module RS232 Serial Port Switch Board For Pc Plc Motor Led Ptz ​

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Dc 12V 24V 2Ch DB9 Uart Relay Module RS232 Serial Port Switch Board For Pc Plc Motor Led Ptz ​

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DC 12V 24V 2Ch DB9 UART Relay Module RS232 Serial Port Switch Board for PC PLC Motor LED PTZ ​

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6,55$ 6,82 $
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Dc 12V 24V 2Ch DB9 Uart Relay Module RS232 Serial Port Switch Board For Pc Plc Motor Led Ptz ​

DC 12V 24V 2Ch DB9 UART Relay Module RS232 Serial Port Switch Board for PC PLC Motor LED PTZ ​