3 products in 1: 16x4 Cable Modem, AC1600 Dual band Wi-Fi Router, 2 Port Gigabit Router APPROVED on Comcast Xfinity, Spectrum (Charter, Time Warner, Bright house Networks), Cox and other US Cable Internet Providers. NOT compatible with Verizon, AT&T or CenturyLink Cable Modem: 16 DOWNLOAD & 4 UPLOAD channels to maximize your Cable ISP service offerings. APPROVED for plans up to 300 Mbps. Supports IPv4 and IPv6 - the latest Internet standard