Amazon.com: PartEGG 2.4GHz 802.11n 150Mbps USB Wireless WiFi Adapter with 3dBi External Antenna for Atheros AR9271 Kali Linux Ubuntu Centos Windows : Electronics
Amazon.com: AR9271 Wireless USB WiFi Adapter, Wireless NetCard Detachable 2DBI Antenna Adapter for TV/PC Desktop Laptop : Electronics
Atheros AR9271 802.11n 150Mbps Wireless USB WiFi Adapter for Linux Kali Linux | eBay
Tiny usb wifi adapter dongle ATHEROS AR9271 - supports MONITOR MODE, small size | eBay