![ARRIS SURFboard DOCSIS 3.1 Cable Modem & Dual-Band Wi-Fi Router for Xfinity and Cox service tiers Black SBG8300 - Best Buy ARRIS SURFboard DOCSIS 3.1 Cable Modem & Dual-Band Wi-Fi Router for Xfinity and Cox service tiers Black SBG8300 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6341/6341861_sd.jpg)
ARRIS SURFboard DOCSIS 3.1 Cable Modem & Dual-Band Wi-Fi Router for Xfinity and Cox service tiers Black SBG8300 - Best Buy
Can I hook up an extra router to my existing unit that is already a combination modem/router? - Quora
![Amazon.com: Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router : Electronics Amazon.com: Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router : Electronics](https://m.media-amazon.com/images/I/41K2L4OsqIS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router : Electronics
![Amazon.com: NETGEAR N600 (8x4) WiFi DOCSIS 3.0 Cable Modem Router (C3700) Certified for Xfinity from Comcast, Spectrum, Cox, Spectrum & more : Electronics Amazon.com: NETGEAR N600 (8x4) WiFi DOCSIS 3.0 Cable Modem Router (C3700) Certified for Xfinity from Comcast, Spectrum, Cox, Spectrum & more : Electronics](https://m.media-amazon.com/images/I/51uUv+gJ-BL._AC_.jpg)