3 products in 1:  Modem, N300/N300 Dual band WiFi and 4 Port Gigabit Router</br>Requires Cable Internet Service.  Approved on Comcast Xfinity, Charter, Time Warner, Brighthouse Networks, Cox, Mediacom and almost all Regional Cable Internet Providers for plans up to 100 Mbps.  Not compatible with Verizon, ATT or Centurylink.</br>Docsis 3.0 Modem with 8 DOWNLOAD and 4 UPLOAD Channels capable of 343 Mbps download and 131 Mbps.</br>N300 2.4Ghz + N300 5GHz WiFi Router and 4 Gigabit Ethernet Ports</br>BROWN BOX Models Not Valid for This Item When Sold As New, Should Report to Amazon Immediately and Return to Seller; 2 Year Limited Warranty with US Technical Support.</br></br>Product Description</br></br>The SBG6580 SURFboard Wi-Fi Cable Modem Gateway enables the delivery of innovative ultra-broadband data and multimedia services as well as high-bandwidth home networking. Designed for seamless mobility, Motorola’s SBG6580 is a fully integrated all-in-one home networking solution that combines the functionality of a DOCSIS/EuroDOCSIS 3.0 cable modem, four-port 10/100/1000 Ethernet switch with advanced firewall, and an 802.11n Wi-Fi access point in a sleek, stylish package for the sophisticated consumer. It’s the perfect networking solution for the home, home office, or small business, allowing users to create a custom network to share a single ultra-broadband connection, files, and networked peripherals using wired or Wi-Fi connectivity. Cost-effective, efficient, and secure, the SBG6580 enables users to maximize the potential of their existing resources, while benefiting from next generation high-bandwidth services.Frequency range: DOCSIS and EuroDOCSIS 108 to 1002 MHz (edge to edge).</br><br/>http://www.amazon.com/gp/product/B0040IUI46