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RS232 DB9 female to DB male serial connector, effectively protects DB9 ports on expensive devices from multiple plugging and unplugging, extending the service life of devices and HDMI cables. Commonly used to connect computers, digital cameras, PLC, PDA, modems, barcode machines, industrial instruments and other communication equipment. Interface A: DB9 female Interface B: DB9 male Color: Black Size: 44*34*15mm (1.7*1.1.3*0.6in) Package: 1* DB9 female to male straight through adapter