TP-LINK 300M WLAN USB-HIGH-GAIN-Adapt.

The TL-WN822N USB adapter is a high-speed wireless client, which allows users to connect a desktop or notebook computer to a wireless network and access a high-speed Internet connection. It is interoperable with other wireless devices, delivering speedy and reliable signal for lag-free online gaming, Internet calls or even high-definition video streaming.
Product Description: TP-Link TL-WN822N - network adapter - USB | Device Type: Network adapter | Form Factor: External | Interface (Bus) Type: USB | Dimensions (WxDxH): 9 cm x 6.8 cm x 1.7 cm | Data Link Protocol: 802.11b/g/n | Data Transfer Rate: 300 Mbps | Frequency Band: 2.4 GHz | Compliant Standards: IEEE 802.11b, IEEE 802.11g, IEEE 802.11n | System Requirements: Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows XP 64-bit Edition, Microsoft Windows 7, Microsoft Windows 7 64-bit Edition, Microsoft Windows Vista (32/64 bits)