My Solwise 85Mbs homeplugs, installed in a ten year old house, one upstairs one down, both directly plugged in reduced my BW from 20 to 3 tops. Didn't work out why as VM decided to move the modem for me (and flood my office at the same time
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Just tried them downstairs with the superhub and they seem to work a treat. Based on 10 minutes of testing,