A:AnswerMy house is just under 2000 Square ft.TThis modem combination covers this space quite well with WiFi.
If you set up 2.4 GHz and 5.0 GHz network‘s separately. The 2.4 GHz network will reach further.
A:AnswerNo phone jack, so no. You can get a voip phone but You will loose your listing in the phone book. Voice Over Internet Provider voip is not the same as "with phone".
A:AnswerNot sure, but I have an excellent signal (no dropping and rebooting) throughout the house, including my basement. I couldn't be happier with my new MG7550 Router/Modem by Motorola!!!