DOCSIS 3.0 16x4 cable modem certified by Comcast Xfinityﾃつｮ, Spectrumﾃつｮ (legacy Time Warner Cableﾃつｮ and Charterﾃつｮ) and Coxﾃつｮ;Save up to $120 per year on rental fees by owning your own cable modem;Supports downstream of up to 686Mbps and upstream of up to 131Mbps;Five front-facing LED indicators easily reveal the status and signal strength of the cable modem;Pairs perfectly with ASUS signature routers such as RT-AC68U and RT-AC66U