Features: RJ45 8P8C male to DB9 RS232 male/female serial port debugging cable for switches and routers control. Available in 6 lengths to meet various needs. Multilayer shielding enables fast data transmission. No driver required, plug and play design. Offers stable performance and durable wear resistance. Features environmentally friendly PVC outer jacket, flexible with excellent bend and tensile strength, not easily damaged. Widely used in communication engineering wiring, telephone communication connections, and similar applications. Specifications: Material: PVC Type: to DB9 female, to DB9 male (optional) Length: 50cm, 1m, 1.5m, 2m, 3.0m, 5m (optional) Size: approximately 50cm/19.6", 1m/3.28ft, 1.5m/4.92ft, 2m/6.56ft, 3.0m/9.84ft, 5m/16.4ft Package Includes: 1 x RJ45 to DB9 Serial Port Extension Cable Note: Allow 1-2cm variation due to manual measurement. Slight color differences may occur due to variations in display resolution.