I don't buy that their hub will help much but the discs are just a Mesh Wifi setup. With enough discs I don't see how the claim isn't reasonable (we have 3 in a 3-storey sprawling Victorian house with all internal walls made of brick and it works everywhere, though disc #4 would be better).
Now there are issues with the discs - sometimes one will stop working properly - but that's a separate issue.
Biting the hand that feeds IT
