The SURFboard G20 DOCSIS 3.1 Wi-Fi 6 cable modem uses the latest technology to deliver faster download and upload speeds, all in a single device. The DOCSIS 3.1 functionality supports gig-speed cable internet plans. Powered by Wi-Fi 6 (802.11ax) technology on every radio, the SURFboard G20 delivers faster Wi-Fi speeds and greater range than the previous generation of Wi-Fi. Plus, with next-generation upload speed optimization, the G20 can achieve upstream speeds up to 100Mbps, enabling worry-free video conferencing and ultra-fast data uploads.