MarioBros
Explorer
for the Asus Tuf A15, the antennas are very easy to replace... just remove the battery and u are done..Use tweezers to remove the connector from the wifi antenna carefully. Changing the antenna will be difficult as you will need to open the display panel and i would not recommend it.
Get a wifi 6 card from @mzsa1994
yes for some laptops u need to remove display