12V 2 in 1 RS232 TTL232 PC COM DB9 Serial UART PLC Delay Relay AT 8-Byte Command Control Switch Board

12V 2 in 1 RS232 TTL232 PC COM DB9 Serial UART PLC Delay Relay AT 8-Byte Command Control Switch Board
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sku: 1005006140546292
$4.34
Shipping from: China
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