New open box item. May come in original retail box or non-retail packaging (white/clear bag). Box may show wear. The Model MG7540 is a 16x4 686 Mbps DOCSIS 3.0 Cable Modem with a built-in AC1600 Wi-Fi Gigabit Router. The MG7540 is certified by Comcast XFINITY, Charter, Time Warner Cable, and other cable service providers. Owning the MG7540 eliminates modem rental charges that are often $120 or more per year.The built-in AC1600 Dual Band wireless router provides the range, wireless speeds, and networking support needed to share the Internet connection with smartphones, computers, tablets, HDTVs and more. 16x4 modem performance means that up to 16 cable data channels carry data from the Internet, 16 times faster than DOCSIS 2.0; and up to 4 channels carry data to the Internet. 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. Four 10/100/1000 Gigabit Ethernet ports provide wired connections to computers, HDTVs, game stations, and other Ethernet-capable devices.Router features include an advanced firewall, parental controls, and a browser-based configuration manager. Guest network access gives visitors Internet services while protecting your local network’s private information. Comes with AC Power Adapter, Ethernet Cable, Instruction ManualDimensions (Overall): 9 inches (H) x 2.6 inches (W) x 8.6 inches (D)