Zoom N600 Dual-band Wireless DOCSIS 3.0 Cable Modem/Router with four Gigabit Ethernet ports, certified by Comcast, Time Warner Cable, and more, Model 5360 Combines a 343 Mbps DOCSIS 3.0 cable modem and a Dual Band N600 Wireless Router with 4 GigE LAN ports. Integrating the modem with a router simplifies setup, saves desk space, and reduces cable clutter while eliminating failure-prone wiring connections between separate devices. Certified for own-your-own cable-modem programs by Comcast XFINITY, Time Warner Cable, Bright House, and other cable services. Certified own-your-own cable modems eliminate modem rental charges, which are typically 8 to 10 dollars every month. Built-in high-performance N600 Dual Band WiFi router has dual external antennas and simultaneous radio operation to boost wireless speeds and provide extended wireless range. Wireless features include advanced wireless security, WDS for extending wireless range using repeaters, and WPS for easy wireless security setup. Router features include support for up to 253 client devices, an advanced firewall with parental controls, IPv6 and IPv4 support. The 343 Mbps maximum download speed is up to eight times faster than DOCSIS 2.0 cable modems. The 8X4 cable modem is also faster than 4X4 cable modems, even for service speeds below the top speed of this cable modem. A Full Band Capture Digital Tuner lets cable services deliver faster, more reliable Internet connections. Includes a two-year warranty and technical support from Zoom Telephonics, a Boston-based company founded in 1977.