The Zoom Model 5341H cable modem meets the cable industry's DOCSIS 3.0 standard for speeds up to 172Mbps, and also works with lower-speed DOCSIS 2.0 and 1.1 services. With both IPv4 and IPv6 networking support, this is a product designed and built for use today and for years to come. The Model 5341H has been tested and certified by CableLabs to work with all U.S. cable services. The 5341H has received additional testing and approval from leading cable services like Cox and Comcast . This modem can be plugged into any Windows, Macintosh or Linux computer with an Ethernet port. The Model 5341H can also be plugged into routers and routers with Wi-Fi for sharing of your high-speed service with multiple devices. With its easy installation, high speed, and broad compatibility, the Model 5341H is the perfect choice for almost any cable modem user. Owning a cable modem eliminates modem rental charges. Currently Comcast, Comcast Xfinity, Cox, and other service providers offer significant savings. Time Warner, Mediacom, and Bright House do not offer any savings. Cablevision and Charter require use of a cable modem that they supply.