The NETGEAR C7100V is CableLabs DOCSIS® 3.0 three-in-one high-speed cable modem + AC1900 WiFi router + XFINITY® Voice. This cable modem router gives you high-speed Internet connection with combined speeds of up to 1.9Gbps† with AC1900 WiFi. Supports two XFINITY® Voice telephone lines with battery backup. Enhanced features include 3-way conference calling, caller ID, call forwarding and more. Save up to $156 a year* by eliminating Internet service provider rental fees. Ideal for XFINITY® Internet and Voice service. Speed Get the fastest WiFi currently available on WiFi cable modem routers & enjoy a blazing-fast, lag-free WiFi experience for gaming, video streaming or surfing. WiFi Range Homes come in all shapes & sizes & Nighthawk AC1900 WiFi Cable Modem Router provides WiFi coverage no matter where you connect in your home. Reliability There’s nothing more frustrating than dropped connections! With NETGEAR’s advanced features & best-in-class technology, you’ll reduce interference & enjoy more reliable WiFi connectivity. Sharing With NETGEAR, sharing across your network is fun & easy, anything from accessing stored data, media, photos & music to wireless printing. Ease of Use Start enjoying your new device faster than ever. NETGEAR wants to make sure installation is simple & easy, so you can connect quickly & make sure you stay that way! Security Maintain high security across your network to help ensure your privacy & family is safe while online. Whether it’s preventing phishing & spyware or just limiting access for kids & guests, NETGEAR has you covered.