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Nighthawk DOCSIS 3.0 High Speed Cable Modem Router + Voice

Model: C7100V-1AZNAS

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Blazing Fast Internet Speeds. Best Call Clarity.

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 $168 a year* by eliminating Internet service provider rental fees. Ideal for XFINITY® Internet and Voice service.

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Take full advantage of your XFINITY Internet and Voice Service.

Delivering faster broadband speeds.



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.

Extremely fast WiFi—Up to 1.9 Gbps combined WiFi speed for extreme gaming and streaming

DOCSIS 3.0—Up to 24 times faster cable Internet speeds than 2.0

Channel Bonding—Extremely fast cable Internet speeds during peak hours

Gigabit WiFi—Next-generation WiFi now at Gigabit speeds

Gigabit wired—Ideal for HD gaming & video

Processor—1.6GHz processor speed boosts wireless, wired, and WAN-to-LAN

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.

Ultimate range—WiFi coverage throughout very large homes

Beamforming+—Boosts speed, reliability, & range of WiFi connections


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.

Simultaneous dual band—Reduces interference for better connections to more WiFi devices


With NETGEAR, sharing across your network is fun & easy, anything from accessing stored data, media, photos & music to wireless printing.

DLNA®—Find & play your media on DLNA TVs & game consoles

ReadySHARE® USB—Share your USB hard drive & printer

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!

Easy install—Easy setup for iPad®, tablets, smartphones & computers

Push ‘n’ connect—Easy push button WiFi connections (WPS)


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.

Parental controls—Web site filtering for all your connected devices

Guest network access—Separate & secure access for guests

Secure WiFi connections—High level wireless security with WPA/WPA2

  • Up to 1.9Gbps speeds for streaming HD videos, faster downloads, and high-speed online gaming
  • Powerful 1.6GHz processor speed boosts performance for streaming and gaming
  • Required for the fastest XFINITY® Internet and Voice plans
  • 24x8 Channel Bonding technology enables extreme cable Internet speeds
  • Supports two telephone lines with enhanced call features like 3-way conference calling, caller ID, call forwarding and more
  • Optional battery backup for power outages with up to 8 hours of standby and 5 hours of talk time
  • Save money over time by owning your cable equipment and avoiding monthly rental charges from your Internet provider—up to $168 per year*

Your Nighthawk® AC1900 Cable Modem Router With Voice Connects All Your Devices

Technical Specifications

  • WiFi Technology

    • 802.11ac

  • Speed and Range

  • Modem

    • 24x8 CableLabs® DOCSIS® 3.0 Verified Modem

  • WiFi Performace

    • AC1900 (600 Mbps + 1300 Mbps)

  • WiFi Band

    • Simultaneous Dual Band WiFi—2.4 & 5GHz

  • Number of Ethernet Ports

    • One (1) LAN Gigabit Ethernet port

  • Number of USB Ports

    • Two (2) USB 2.0 ports

  • Key Features

    • Built-in high-speed 24x8 DOCSIS® 3.0 Channel Bonded Cable Modem Router

    • 24 downstream & 8 upstream channels

    • AC1900 (600 Mbps @2.4GHz with 256 QAM support +1300 Mbps @5GHz 11ac)

    • Simultaneous Dual Band WiFi—Tx/Rx 3x3 (2.4GHz) + 3x3 (5GHz)

    • Powerful 1.6GHz processor

    • Beamforming+—For more reliable connections on 2.4 and 5GHz bands

    • ReadySHARE® USB—Share your USB hard drive and printer

    • IPv6 support (Internet Protocol Version 6)

    • Memory—128 MB flash and 256 MB RAM

    • Supports XFINITY® Voice for 2 telephone lines

    • Optional battery†† backup

  • Security

    • Parental Controls for safer web surfing

    • Guest network access—separate & secure

    • WiFi Protected Access® (WPA/WPA2—AES)

    • Double firewall protection (SPI and NAT)

    • Denial-of-service (DoS) attack prevention

  • Product Diagram

  • Physical Specifications

    • Dimensions:10.15 x 10.8 x 3.55 in

    • Weight: 2.83 lb

  • Package Content

    • Nighthawk AC1900 WiFi Cable Modem Router with Voice (C7100V)

    • Ethernet cable

    • RJ-11 cable

    • Quick start guide

    • Power adapter

  • Standards

    • Two (2) USB 2.0 ports

    • Two (2) RJ-11 telephone ports

    • Four (4) 10/100/1000 Mbps— Gigabit Ethernet LAN ports

    • IEEE® 802.11 b/g/n 2.4GHz + 256 QAM support

    • IEEE® 802.11 a/n/ac 5GHz

  • 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

Maximum rate is derived from DOCSIS® 3.0 specifications and actual throughput will vary depending on the MSO provisioning and speed tier subscription.

Check your cable Internet service provider web site for data speed tier compatibility.

NETGEAR makes no express or implied representations or warranties about this product’s compatibility with any future standards. For indoor use only.

†† Battery sold separately

Customer-owned modems may not be compatible with certain cable networks. Please check with your cable provider to confirm this NETGEAR modem is allowed on your cable network.

Intended for indoor use only.

* Equipment rental fees vary by service providers.

Ideal Uses

Gaming and Streaming

With the AC1900 WiFi, powerful 1.6GHz combined processor, Beamforming+, and 24x8 channel bonding you'll enjoy more seamless gaming and streaming with reduced lag and buffering. When you want the best modem router to handle all your high-bandwidth Internet activities, Nighthawk has you covered.

Lose The Lease. Save on Space.

Is your cable ISP charging you every month just to use their modem? Reduce your bill and own your own modem and router combo. A modem with built-in router is also space efficient and reduces the number of cables you need to connect to the Internet. Do more with less!

Optional Rechargeable Battery Back-up (PB022)

Ensure you have access to telephone services if power should ever go out in your home by installing PB022. Available to order online and easy to install.

  • Battery backup for power outages
  • Up to 8 hours of standby and 5 hours of talk time

NETGEAR Warranty

This product is backed by a NETGEAR limited 1-year Hardware Warranty.

24/7 basic technical support provided for 90 days from purchase date, when purchased from a NETGEAR authorized reseller.