@woozle Thanks for your reply! You are correct of course, we also found out (meaning: our supplier told us) about the importance of the vendor/USB-IDs. We don't compile the Linux-sources by...

Hi! For our product running embedded Linux, we have integrated drivers for WLAN adapter chipsets 8192CU and 8192EU. We successfully tested the TL-WN823N V3 which happens to have the 8192EU chipset....