Using Gold-Plated Core To Transmission Of Signals. Two Network Cable Can Be Connectted Into A Longer Cable Through This Splitter. 78mm Pcb Board Was Embedded Conduction Circuit To Avoid Damage To The Conductor. Can Shield The External Electromagnetic Signal Interference To Prevent Damagement To The Internet Signal. Plug-n-Play: The RJ45 Ethernet splitter is designed for easy connection and usage, without the need of a driver. This serves to safeguard your device interface and eliminates the need for frequent unplugging, allowing suitability in network expansion environments like homes, offices, schools, etc. Model: RJ45 Material: ABS Color: Black Package Contents: 1 x cable adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.