Edimax EW-7722UnD. Connectivity technology: Wireless, Host interface: USB, Interface: WLAN. Data transfer rate (max): 300 Mbit/s. Chipset: Ralink RT3572, Networking standards: IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, Frequency band: 2.4, 5 GHz. Wireless LAN type: 802.11a, 802.11b, 802.11g, 802.11n, WLAN data transfer rates supported: 54, 150, 300 Mbit/s. Width: 26.6 mm, Depth: 83 mm, Height: 9.8 mm