Amazon.com: Arris DG1670A Touchstone Data Gateway Bulk Packed : Electronics
ARRIS Surfboard Docsis 3.1 Gigabit Cable Modem Plus AC2350 Dual Band Wi-Fi Router, Certified for Xfinity, and Cox 1 GB Service (SBG8300) - Newegg.com
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