CX129W Cat 5E RJ45 for networking. 8-position and 8-connector design. Superior performance and reliability. Supporting HIGH Speed Ethernet applications. Advanced PCB design is tuned to provide optimum signal quality with maximum headroom.   Package Details Weight: 12.84 g Size: 3.1*2.3*2.1 cm Package Includes 1 × Cat 5E RJ45 Jack for Computer Networking