AR9271 is an IEEE 802.11b/g/n wireless USB adapter. It provides users with the transmission of IEEE 802.11b/g/n 150 Mbps wireless network in the 2.4 GHz frequency band and is compatible with IEEE 802.11b/g STANDARDS 54 Mbps wireless devices. The AR9271 has multi-streaming. It is based on 802.11n MIMO and can be used in reference designs to serve the network, PC, and consumer electronics markets. Note: This WiFi adapter supports Linux / Kali Linux, but we do not provide any driver support for Linux, you can download the driver online. Technical index:Chipset: Atheros AR9271 Standard: IEEE 802.11b/g/n Data transmission speed802.11b: up to 11 Mbps802.11g: up to 54 Mbps802.11n: up to 150 Mbps Supported operating systems: Windows 7/8/10 32/64-bit, Linux, Kali LinuxInterface: USB 2.0Antenna: 3 dBi 2.4G Hz antennaFrequency range: 2.412~2.483 GHz The packaging includes:1*usb antenna