The ARRIS Surfboard SBG10 is a modem router combo that combines a DOCSIS 3.0 cable modem with a built-in router, offering fast and reliable internet connectivity. With a sleek black design and wireless connectivity options, this device provides both high-speed cable internet access and Wi-Fi capabilities. The model features 16x4 Gigabit Ethernet ports, making it suitable for multiple devices and users. Designed for use with XFINITY, this modem router is an ideal choice for home networking and connectivity needs, offering a seamless and efficient internet experience. (Note: The Coax included is black in color.)