Akodi via Amazon offers the Anewkodi Dual-Band 802.11ac Wireless USB Adapter for $11.99. Coupon code "9SS65WRU" cuts it to $8.99. Plus, Prime members receive free shipping. That's tied with our August mention and the lowest price we could find by $4. It features a long-range 2dBi antenna and up to 600Mb/s WiFi speeds on 5GHz and 2.4GHz bands. Deal ends December 5.