3in1 USB TO RS485 RS232 / USB TO TTL serial port / 232 TO 485 converter adapter ch340 chip LED Indicator FOR access control PLC

3in1 USB TO RS485 RS232 / USB TO TTL serial port / 232 TO 485 converter adapter ch340 chip LED Indicator FOR access control PLC
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sku: 1005005121103597
$10.52
Shipping from: China
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