The AC1900 Ultra Wi-Fi USB Adapter lets you upgrade your desktop or laptop to the latest generation wireless AC speeds, so you can easily stream HD media, download music, and enjoy high-speed online gaming. Device Type: Network adapter Form Factor: External Interface (Bus) Type: SuperSpeed USB 3.0 Dimensions (WxDxH): 3.1 in x 3.1 in x 3 in Weight: 5.89 oz Data Link Protocol: 802.11b, 802.11a, 802.11g, 802.11n, 802.11ac Data Transfer Rate: 1300 Mbps Frequency Band: 2.4 GHz, 5 GHz Compliant Standards: IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, Wi-Fi CERTIFIED, IEEE 802.11n, Wi-Fi Protected Setup, IEEE 802.11ac System Requirements: Microsoft Windows 7 / 8 / 8.1 Device Type: Network adapter Form Factor: External Interface (Bus) Type: SuperSpeed USB 3.0 Connectivity Technology: Wireless Data Link Protocol: 802.11b, 802.11a, 802.11g, 802.11n, 802.11ac Data Transfer Rate: 1300 Mbps Frequency Band: 2.4 GHz, 5 GHz Status Indicators: Status Features: Wi-Fi Protected Setup (WPS), on/off switches Compliant Standards: IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, Wi-Fi CERTIFIED, IEEE 802.11n, Wi-Fi Protected Setup, IEEE 802.11ac Antenna: Internal Encryption Algorithm: WPA, WPA2 Compliant Standards: RoHS, RCM OS Required: Microsoft Windows 7 / 8 / 8.1 Width: 3.1 in Depth: 3.1 in Height: 3 in Weight: 5.89 oz Min Operating Temperature: 32 °F Max Operating Temperature: 104 °F Humidity Range Operating: 10 - 90% (non-condensing)