Easily boost the WiFi signal from your router or neighbor. Thanks to its two external antennas, the penetrability is greatly enhanced(even through the wall), improving the existing Wi-Fi coverage and offering you stable and reliable data transmission for your big house. Support Repeater and AP modes, support wireless and wired connectivity. Universally complies with IEEE 802.11n, IEEE 802.11g and IEEE 802.11b standards. The Extender dissipates heat through the shell, and heat dissipation holes are arranged on both sides of the WIFI booster. The thermal temperature is within the controllable range. No need to worry about security issues. Easy setup instruction provides quick & simple installation.