thnaks. I went with this one
TP-LINK Archer CR700 AC1750 Wireless Dual Band 16x4 DOCSIS 3.0 Cable Modem Router, Up to 680Mbps Download Data Rates, Certified for Comcast, Time Warner, Cablevision and Bright House
on the approved TWC list. I wanted to get router and modem all in one. we do have some dead spots in our house so range is an issue for me. thanks for help. I have used netgear in the past. I know they make good stuff.