ARRIS SURFboard SBG6580 DOCSIS 3.0 Modem-Router WiFi - NWCA Inc.
Cable modem - Wikipedia
Overview: Arris NVG558 LTE Router on Verizon (Mobile Routers) - Mobile Internet Resource Center
Sluggish wifi? Upgrade your router with an Arris surfboard — up to 35 percent off at Amazon today
How Do I Manually Configure My Arris Cable Modem? | Techwalla
ARRIS SURFboard 16x4 Cable Modem / AC1600 Dual-Band WiFi Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 300 Mbps. - Walmart.com