For the above depicted resolutions and corresponding interface, is a minimum refresh rate of 30 Hz and a maximum of 60 Hz applicable.
In other words:
Resolution: 4096 x 2160 @ 30 Hz Minimum.
Resolution: 4096 x 2160 @ 60 Hz Maximum.
*) Note! The standalone HDMI port (3) works with the DP Alt Mode protocol and does not work with with the DisplayLink® driver. For this particular HDMI port, connecting the AC7148 onto a device containing an USB-C port, which supports the “DP Alt Mode / Thunderbolt™ 3 / Thunderbolt™ 4” protocol, is necessary.