ALFA Network AWUS036EAC
For a list of all currently documented Realtek chipsets with specifications, see Realtek.
Product page (via archive.org)
- ALFA's Linux driver for this device is an RTL8812AU driver set from Realtek, it's presumed to use 8812au
The first appearance of this device's product page on ALFA's website is ~2015-03. It's assumed to have been released in 2015, but it could have possibly been released earlier.