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This DB9 female solderless breakout connector is designed for RS232 D-SUB 9-pin serial port wiring and signal splitting. It features a solderless terminal structure that allows quick wire connection without complex soldering work. Comes complete with black rubber core, protective outer case, matching screwdriver and fixing nuts for easy assembly right out of the box. The premium casing provides great dustproof and anti-collision performance, keeping stable contact and reliable serial signal transmission. Ideal for PLC equipment, serial communication devices, circuit debugging, industrial control wiring and electronic DIY applications.