Important Note: This Gigabit RJ45 Ethernet Splitter includes an 80cm/2.6 ft USB charging cable for power (recommended power socket for stability). It cannot be used without power and is designed to address connection issues from insufficient cabling | Gigabit Ethernet Splitter 1 to 2: Solves connection issues from insufficient wiring. Use the USB power cable to enable two computers to share one Ethernet cable simultaneously via physical tapping. Note: Both female ports work simultaneously | 1000Mbps Transfer Speed: RJ45 Splitter Adapter 1 to 2 ways dual female port LAN ethernet cable, the speed of two cable group (1 and 2) can reach 1000Mbps. And the signal transmission of two cable groups will not interfere | Durable Material: Ethernet splitter features a robust PCB circuit board, RJ45 eight-core jack, gold-plated pins, and integrated mechanical welding for stable signal transmission. The closed insulation module ensures safer and more reliable use | Wide Compatibility: RJ45 8P8C LAN Ethernet Splitter connector extender is compatible with Cat8 Cat7 Cat6 Cat5 Cat5e network ethernet cable and can be compatible with ADSL, hubs, switch, TV, set-top box, router, wireless device, computer, etc