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 speed 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 2.4G Hz antenna Frequency range: 2.412~2.483 GHz The packaging includes: 1*usb antenna Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!