General description AR9271 is an IEEE 802.11b/g Wireless USB adapter that enables users to launch an IEEE 802.11b/g wireless network at speeds of up to 150 Mbps in the 2.4 GHz band. It is compatible with IEEE 802.11b/g wireless devices operating at 54 Mbps and supports multi-stream, MIMO-based 802.11n technology, making it suitable for networking, PC, and consumer electronics markets. Technical specifications Chipset: Atheros AR9271 Standards: IEEE 802.11b/g Data rate: 802.11b: up to 11 Mbps 802.11g: up to 54 Mbps 802.11n: up to 150 Mbps OS Supported: Windows 7/8/10 (32/64-bit), Linux Interface: USB 2.0 Antenna: 3 dBi 2.4 GHz antenna Frequency range: 2.412 - 2.483 GHz Channels: 1-11 (North America), 1-13 (General Europe) Security: 64/128-bit WEP, 802.1X support, Wi-Fi Protected Access (WPA, WPA2) Weight: 14.0 g / 0.03 lb (Adapter only) Dimensions: 7.6 x 2.6 x 1.2 cm / 3.0 x 1.02 x 0.47 inch Color: Black Material: Plastic Compatibility and accessories Compatible with IEEE 802.11b/g