Tanga has Alfa Long Range AC 1200 Dual Band Wifi USB Dongle for $29.99. Shipping is free.
*Was a at $33.99
It will work with any computer that has an available USB port and Windows XP, Vista, Windows 7, Windows 8/8.1, or Windows 10. Kali Linux version 2017.1 now supports packet injection for this adapter. Read more at http://rok.land/AWUS036ACH_Kali
USB 3.0 port required for max speed, though is compatible with USB 2.0 ports also at a max speed of 480 mbps. This works on Microsoft Surface Pro tablets running Windows 8/10 (requires driver download) but does NOT work with Windows Surface RT tablets or other tablets/laptops running Microsoft Surface RT, which looks like Windows 8 but is actually a locked down version of Windows that does not support 3rd party drivers.
- Enterprise-class 64/128 WEP encryption, WPA, WPA-PSK, WPA2, 802.1X support
- 867 mbps High-Speed Transfer Rate for 802.11ac
- USB 3.0 compliant (backward compatible with USB 2)
- One year manufacturer’s warranty
$39.99 on Amazon