Features: RJ45 8P8C male to DB9 RS232 male/female serial port debugging cable, switches routers control cable.<br> There are 6 lengths to choose from, meeting different needs.<br> Multilayer shielding, fast speed transmission.<br> No driver required, plug and play.<br> Stable performances, wear-resistant.<br> Environmentally friendly PVC outer cover, flexible, resistant to bending and tensile pulling, not easy to break.<br> Widely applicable, suitable for communication engineering wiring, telephone communication connections, etc.<br> Specifications: Material: PVC<br> Type: to DB9 female, to DB9 male(optional)<br> Length: 50cm, 1m, 1.5m, 2m, 3.0m, 5m(optional)<br> Size: about 50cm/19.6", 1m/3.28ft, 1.5m/4.92ft, 2m/6.56ft, 3.0m/9.84ft, 5m/16.4ft<br> Package Includes: 1Pc RJ45 to DB9 Serial Port Extension Cable<br> note: Please allow 1-2cm errors due to manual measurement.<br> Please allow for slight color differences due to different display resolution.