Edimax EW-7438RPn V2 300Mbps 802.11/b/g/n Universal Wi-Fi Range Extender, Repeater, Wireless Bridge, Access Point, Wall Plug design, Smart LED Signal Indicator, Easy iQSetup by Smartphone, No CD Required

From the manufacturer:

The Edimax EW-7438RPn V2 N300 Universal Smart Wi-Fi Extender is a Wi-Fi extender with built-in power adapter in a compact design which can be plugged directly into an electrical outlet. Convenient placement allows you to double the signal coverage of your Wi-Fi network for better Wi-Fi quality in homes with many rooms or multiple floors. Featuring smart iQ Setup, installation is quick and easy and the EW-7438RPn V2 features 3-in-1 Wi-Fi extender, access point or bridge operating modes. Just configure the mode you need for your network environment. Additionally, it complies with wireless 802.11b/g/n standards and provides data transmission rates of up to 300Mbps. With the Edimax EW-7438RPn V2, you can enjoy high-speed wireless networking throughout your home without additional cabling.

Eliminate Wi-Fi Dead Zones
Extend Wi-Fi coverage to dead zones which your existing Wi-Fi signal can’t reach. Plug the extender directly into an electrical outlet and the Edimax EW-7438RPn V2 can easily double the signal coverage of your Wi-Fi network for better Wi-Fi quality in homes with many rooms or multiple floors.

Works With Any Wireless Router
Universal compatibility and easy web-based iQ Setup for quick and easy installation.

Smart 3-in-1 Extender, Access Point And Bridge
The EW-7438RPn V2 can work as Wi-Fi extender, access point or wireless bridge. Just configure the mode you need for your network environment using the smart iQ Setup wizard and enjoy surfing the web.

Wireless 802.11n Standard (Data Rates Up To 300Mbps)
802.11n technology is built into the EW-7438RPn V2 to broaden its wireless coverage and eliminate dead spots within wireless range. The EW-7438RPn V2 is also backward compatible with wireless 802.11b/g/n standards and can reach data transmission rates of up to 300Mbps when connected to wireless 802.11n devices.