New in 2016, 16x4 686 Mbps DOCSIS 3.0 cable modem gateway with a built-in AC1900 Wi-Fi Gigabit Router and Power Boost, four 10/100/1000 Gigabit (GigE) Ethernet ports, and firewall. The 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0.;Certified by Comcast XFINITY for all residential speeds, including Extreme 250, certified by Time Warner Cable for all speeds including 300 Mbps, also certified by Cox and other service providers for their modem ownership programs. Charter Spectrum approved. (MG7550 has no phone jack for Telephone Service option from Cable Companies.);High-speed wireless router with AC1900 Wi-Fi and Power Boost provides Internet access for wireless n, ac, g, and b devices including smartphones, computers, tablets, game stations, and HDTVs. Four Gigabit Ethernet LAN ports provide wired connections to computers, HDTVs, game stations, and other Ethernet-capable devices.;Wireless Power Boost adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. In addition, AnyBeam beamforming at both 2.5 GHz and 5.0 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.;Integrating the cable modem and router creates a more reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design further minimizes shelf space, improves cooling and extends product life while looking great in any home or office.