This Amazon Renewed product Motorola MG7550 Modem Wi-Fi Router Combo is professionally inspected and tested by Amazon-qualified suppliers. MG7550 is a 16x4 686 Mbps DOCSIS 3.0 Cable Modem with a built-in AC1900 Wi-Fi Gigabit Router with Power Boost. The MG7550 is certified by a number of leading cable service providers including Comcast XFINITY for every speed, including the top speeds of Extreme 250 for households, and Time Warner Cable for all speeds including 300 Mbps, and Coxs Ultimate package. With easy installation, very high-speed, broad compatibility, and superb customer support, Model MG7550 is a great choice for almost any cable modem user. 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. AnyBeam beamforming at 2.4 GHz and 5.0 GHz focuses the signal on wireless clients to allow further improvements to wireless performance and range. The built-in AC1900 Dual Band wireless router provides the range, wireless speeds, and networking support needed for wireless n/ac/g/b devices including smartphones, computers, tablets, and HDTVs.