The RJ45 in-line coupler is designed to solve a great extended solution by series connection of 2 network cables to 1 longer cable. Easily connect one RJ45 to another with superior shield anti-interference, stable and safe in signal transfer. Ultra compact size, made of non-toxic fine raw materials and delicate workmanship, easy to be carried anywhere. Features: Perfect for extending Ethernet connection by connecting 2 short network cables to a longer one. Superior speed transfer rates up to 10 gigabite for connecting Cat7/ Cat6/ Cat5 Ethernet cable. Integrated seamless PCB soldering for firm and no disconnection of network cables to both sides, stability and security. Full copper gilded 8 pin core ensures superior touch and stable transfer signal, protecting signal from damaging. Fixed RJ45 female interface efficiently shield outside electromagnetic signal interference, strong signal stability and reliability. Sturdy exquisite quality ABS shell, enduring wear, tear, scratch, high & low temperature, anti-impact, interlocking design, firm and reliable. Specification: Product name: RJ45 in-line coupler extender Material: ABS resin shell + copper core Color: Black Interface: RJ45 standard 8pin socket Item size: 4.2 * 2 * 2cm / 1.7 * 0.8 * 0.8in(L * W * H) Item weight: Approx. 25g / 0.9oz Package size: 6 * 4 * 4cm / 2.4 * 1.6 * 1.6in(L * W * H) Package weight: 27g / 1oz Package List: 1 * RJ45 Female to Female Network Jack In-Line Coupler Note: The Package List without user manual.