QNAP QWA-AC2600

Overview
This device has two radios and supports simultaneous dual band operation. It is intended for use in QNAP NAS devices to turn them into an access point/base station but it will also work in desktop computers running Ubuntu 17.10 or later. From the FCC Test Report document, "The EUT has below model names, which are identical to each other in all aspects except for the following table:"

Pictures
Retail Images