Premiertek PL-2712N PowerLink Outdoor Plus Wi-Fi Adapter for $32.99 shipped. Here is a screenshot for your reference. This 802.11b/g/n Wi-Fi USB adapter features a 12dBi patch antenna, 1000mW high power output, adjustable antenna direction, and more. At the time of this post, all 4 out of 4 user reviews have given it full 5/5 ratings. Most places have this Premiertek PL-2712N Ultra Long Distance PowerLink Wi-Fi Adapter for over $40.