The Zoom 5352 combines a 343 Mbps DOCSIS 3.0 Cable Modem and a 300 Mbps 2x2 Wireless-N Router with four Gigabit Ethernet ports. It's certified for money-saving own-your-cable-modem programs by Comcast, Cox, Time Warner Cable, and other cable service providers. This high-performance product is very easy to use. Dual adjustable-position external antennas and 2x2 MIMO Wi-Fi help maximize the wireless performance. An integrated four-port Gigabit switch provides Ethernet ports for wired connections to computers, TVs, HomePlug adapters, MoCa and other devices. With its high speed, advanced firewall, and IPv4/IPv6 networking support, this is a product designed and built for high performance today and for years to come. Certified by CableLabs to support DOCSIS 3.0 for highest speeds plus DOCSIS 2.0 and 1.1 for older cable systems. Owning a certified own-your-cable-modem eliminates modem rental charges, typically about 85 dollars per year. Features of the integrated router include advanced wireless security, WDS for extending wireless range using repeaters, and WPS for easy wireless setup.