“I'm about to set up a Comcast Xfinity Account -- Internet Extra Pro up to 800 Mgps and Phone (Voice). No TV. 1500 sqft home. set up in basement. Netgear C7100V All-in-One OR Nighthawk 32x8 Docsis 3.1 Voice Cable Modem + Nighthawk AC 2300 R7000p”