ARRIS Surfboard Docsis 8X4 Cable Modem / Telephone Certified for XFINITY – Download Speed: 343 Mbps (TM822R)
(as of Mar 26,2022 23:05:19 UTC – Details)
Compatible with Xfinity Voice & Internet Service Download speeds up to 343 Mbps.
DOCSIS 3.0 Cable Modem. 2 Year Warranty
Eight download and four upload channels.
Battery back up capable (battery not included)
2 carrier-grade Voice over IP (VoIP) Lines
IPv4 & IPv6 Support
1 Gigabit Ethernet Port. Telephone Port:2