Biggen - thanks for the response. Here's what I found in response to your questions:
Garage router: 2.4 band, auto channel. 5.0 band, channel 153. 5g speed test, 93 down, 8 up. Wired to the garage router, 92 down, 86 up.
Home router: 2.4 band, channel 11. 166 down, 180 up. 5.0 band, channel...