Using gold-plated core for signal transmission. Two network cables can be connected into a longer cable through this splitter. 78mm PCB board with embedded conduction circuit to help prevent damage to the conductor. Provides shielding against external electromagnetic interference to help protect internet signal integrity. Plug-and-play: The RJ45 Ethernet splitter allows for easy connection and use without the need for a driver. Helps protect your device interface and reduces the need for frequent unplugging, making it suitable for network expansion in homes, offices, schools, and similar environments. Model: RJ45 Material: ABS Color: Black Package Contents: 1 x Cable adapter Only the above package content is included; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.