The AR9271 is an IEEE 802.11b/g/n wireless USB adapter. It provides users with IEEE 802.11b/g/n 150 Mbps wireless network transmission on the 2.4 GHz frequency band and is compatible with IEEE 802.11b/g STANDARD 54 Mbps wireless devices. The AR9271 features multi-streaming. It is based on 802.11n MIMO and can be used in reference designs to serve the networking, PC, and consumer electronics markets. Note: This WiFi adapter supports Linux/Kali Linux, but we do not provide driver support for Linux; you can download the driver online. Technical specifications: Chipset: Atheros AR9271 Standard: IEEE 802.11b/g/n Data transfer rate 802.11b: up to 11 Mbps 802.11g: up to 54 Mbps 802.11n: up to 150 Mbps Supported operating systems: Windows 7/8/10 32/64-bit, Linux, Kali Linux Interface: USB 2.0 Antenna: 3 dBi 2.4 GHz antenna Frequency range: 2.412~2.483 GHz Package includes: 1 * USB antenna