@yves_b Thanks, Yves. I know enough about network, etc to get me in trouble.... So many interacting elements. Well, the 500 Mbps from the cable company is also theoretical. Since the main Deco has...

Thanks in advance. It's hard to run through existing posts for this questions, apologies if it's already there! Comcast says they've increased network speed (to 500 Mbps) and my current cable modem...