Voice & Data Communications Handbook, Fifth Edition (McGraw-Hill Communication Series)
- Compatible with Xfinity Cable & Voice Plans up to 600Mbps speed..
- Three-in-one DOCSIS 3.0 Cable Modem + AC1900 WiFi Router+ Xfinity Voice and 2 USB ports.
- DOCSIS 3.0 unleashes 24x faster download speeds than DOCSIS 2.0.
- Ideal for streaming 4K HD videos, faster downloads, and high-speed online gaming.Optional battery backup for power outages with up to 8 hours of standby and 5 hours of talk time.
- 2 Voice over IP (VoIP) Ports and 4 Gagabit Ethernet Port.System Requirements:Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, UNIX, or Linux.Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4 or Google Chrome 11.0 browsers or higher.