Decreased wireless range and speed after installing Fresh Tomato on R7000

I recently installed Fresh Tomato on my R7000 to try to improve stability. Since doing so, I’ve noticed both a decrease in wireless speed and range. For example, I have a Arlo wireless camera that is now constantly offline, which requires it to be brought closer to my router to fix. This never happened on stock firmware. Also, general speed tests on my phone show speeds that have been cut in half.

I left all the wireless settings at their defaults. Any suggestions for improving these...

Decreased wireless range and speed after installing Fresh Tomato on R7000