【Three optional working modes】: Repeater Mode, AP Mode and Router Mode.Wireless Router Mode: Create a wireless network and share Internet to multiple Wi-Fi devices. Repeater Mode: Extend wireless range. It works as a repeater to save you from poor signal by expanding your router's network coverage to the primary "dead zones".AP Mode: Connect wired network and share the Internet with friends. 【300Mbps high-speed data transfer rate】: Provide Solution for Wi-Fi Dead Zones Elimination--It eliminates the Wi-Fi dead zones by wirelessly connecting to your router, strengthening and expanding its signal into areas it can't on its own. reliable wireless network speed up to 300Mbps covering your Kitchen, Bedroom, Bathroom and Balcony, ect. 【External antennas for faster and more reliable Wi-Fi】: Four external antennas ensure that a stable wireless signal reaches you where you need it most.no worry about the obstcal weaken the wifi signal , Feel free to access wireless network via your tablet PC , laptop , smart phone anywhere.