**Description** Get the most out of your cable Internet and eliminate monthly rental fees with the TC-7620 modem, certified for XFINITY from Comcast and Time Warner Cable. Stream video in HD and game online seamlessly with the high-performance modem's 686Mbps download speed. DOCSIS 3.0 technology enhances your network's security and creates faster throughput with an innovative channel bonding feature.Compatible with cable internet plans up to 300Mbps*,Compatible with major cable ISPs, including XFINITY from Comcast, Cox Communications, Spectrum and more.  **Features & details** Eliminate Rental Fee: Eliminate your cable modem monthly rental fee Cable Modem Only: You will also need a router to enable Wi-Fi. Channel Width : 96MHz(16 channels) / 6MHz (single channel). Modulation : 64 QAM / 256 QAM. Operating System - Windows 8/Windows 7/ Windows Vista, Service Pack 1 or later/ Windows XP, Service Pack 2. or later/ Mac 10.4 or later (Ethernet Connection Only) UNIXLinux Faster Speed: DOCSIS 3.0 Cable Modem provides 16X faster download speed than DOCSIS 2.0 for an ultra-fast performance; Channel bonding of up to 16 downstream and 4 upstream channels, provide data rates up to 680Mbps for download and 143Mbps for upload ISP CERTIFIED: Great for Cable Internet plans up to 300Mbps with XFINITY from Comcast, Spectrum (Including Charter, Time Warner Cable, and Bright House Networks), Cox, Suddenlink, Mediacom, and WOW Industry Leading Support: 2-year warranty and free 24/7 technical support; J.D. Power Ranked TP-Link "Highest in Customer Satisfaction for Wireless Routers in 2017"