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2pcs Female RS232 Connect Cable DB9 Serial Port to DuPont 2.54mm 9* 1Pin Data Download Cable jumper Test DB9 Cable 30cm|Computer Cables & Connectors| - AliExpress
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Amazon.com: Antrader 30CM/1Ft RS-232 Serial Cable 9 Pin DB9 Male Gender Changer Coupler Connector to 2.54mm 9 x Single Jumper Wires Adapter Cable Pack of 4 : Electronics
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