Device used (graphic below, for reference) : https://www.amazon.com/gp/product/B07JQMNT8K/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 All drivers can be found here: https://goo.gl/Wj8aQB 1. Windows 7 - the driver installed easily and the device was up and running quickly. Result - After testing it out a bit I have found that this adapter is only slightly better than my original g or n internal cards. The ac band works fine, which I did not have prior, and it is a little faster. But, even when right next to the AP downloads are only 70mbps max. On the LAN only it gets much faster, of course. 2. Ubuntu 18.04 - the install was horrifying, based on supplied drivers. There are drivers in the Ubuntu build, as well as on the disc (or online ). But, getting the proper driver loaded*, running and then connected took some time. Result - The speed results were mostly the same as described for Windows. *in the end this driver package worked perfectly on Ubuntu 18.04 (b...