For $129 the Asus Tinker Board 2S is too expensive for what is really just a Raspberry Pi alternative. Buy a Raspberry Pi 4 instead.
Update 7/16/2021 08:53 PT:
Our Wi-Fi tests have been updated to reflect performance using antenna. Our review unit came with no antennas for Wi-Fi and Bluetooth. This lead us to believe that the Wi-Fi / Bluetooth card has an internal antenna. This turned out to be incorrect and we have since sourced antennas and have updated this review accordingly.