@Admin76 Hi, if you don't remember your wireless password on the Archer C20, please refer to the below guide to get it back: https://www.tp-link.com/support/faq/399/ While if you are referring to the...

@rpg Thanks for testing that, you may need to leave the SIP disabled if you need this adapter to work, while our developers are working with the chip manufactures that we will release new driver for...

@Dove Yes, we have replied on that one.

@Haxes Yes, so the issue is resolved now? Glad to know that helps, good day.

@Psyko When the speed got stuck on 150 Mbit now, what is the link speed on the mac? How about other computers or phones, what is the speed on them when connected to the 5G?

@Dove Thank you very much for your detailed reply. We would like to follow it up via email, please check your email box and confirm.