EDUP EP-AB007 Wireless Wifi Signal Booster Broadband Amplifer Wifi Range Extender 4W 2.4Ghz Plug-and-play, Easy installation, no driver needed High Gain, High Value, High Performance Increase the effective range and coverage area of your Wi-Fi network The amplified wireless signal may even penetrate complex environments with many walls and obstacles Ideal for use with 2.4GHz Wireless LANs, Support 802.11b, 802.11g, 802.11n (2.4Ghz mode only)