The speed you need, where you need it. The SURFboard SBG6900-AC is 3 products in 1: a DOCSIS 3.0 Cable Modem, Dual-Band Concurrent 802.11 ac Wi-Fi Access Point and 4-Port Gigabit Ethernet Router. With download speeds up to 686 Mbps and Wi-Fi speeds up to 1900 Mbps it's the most powerful Wi-Fi Modem in the SURFboard lineup. No more buffering while streaming HD video. No lag while gaming with friends. And best of all, no more dead spots! It's no wonder we are The Market Leader in modems.