Save on select Arris modems today with prices starting at only $55! The SURFboard SBV3202 is a DOCSIS 3.0 modem with 2 lines of Voice over IP, certified to work with internet provider Xfinity*. With DOCSIS speeds up to 1.4 Gbps, it has 32 downstream and 8 upstream channels and 2 telephony ports, plus 1 Gigabit Ethernet port. With multiple battery backup options (sold separately),