This is a GREAT DOCSIS 3.0 cable modem that works with Comcast Xfinity, Cox, Charter, Mediacom, Time Warner, and most other cable providers. Providing maximum speeds of 686 Mbps downstream and 131 Mbps upstream. THIS TYPICALLY PAYS FOR ITSELF WITHIN 8 MONTHS. Most providers charge a $8.95 per month fee for "renting" their internet gateway. This will also remove any free hotspots that your current gateway is currently putting out (typically without your knowledge!).