AR9271 is an IEEE 802.11b/g/n wireless USB adapter that provides wireless network transmission of up to 150 Mbps in the 2.4 GHz frequency band. It is compatible with IEEE 802.11b/g standards and supports devices operating at up to 54 Mbps. The adapter features multi-streaming technology based on 802.11n MIMO, making it suitable for use in network, PC, and consumer electronics applications.Note: This WiFi adapter supports Linux and Kali Linux; however, no driver support is provided for Linux systems. Users can download the necessary drivers online.Technical specifications: Chipset: Atheros AR9271 Standard: IEEE 802.11b/g/n Data transmission speeds: - 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 x USB antenna