WiFi Cable Modem Router

802.11n Dual-Band Gigabit

Faster Cable Internet. Dual-Band WiFi. One Device.

Get all the speed you need from your cable provider without paying monthly modem rental fees. This 2-in-1 dual-band WiFi router and DOCSIS 3.0 cable modem unleashes 8x faster download speeds—up to 340 Mbps—faster, smoother WiFi, and works with all major cable Internet providers.

Model: C3700
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  • Fast Dual Band WiFi Speeds—N600 WiFi for up to 600Mbps
  • Eliminate monthly rental fees—Up to $120 per year*
  • Next generation DOCSIS 3.0 technology is up to 8x faster than DOCSIS 2.0
  • Cable Internet speeds up to 340 Mbps‡— 8 downstream and 4 upstream channels
  • Gigabit Ethernet Ports for fast wired connections
  • USB port to wirelessly share your hard drive
  • CableLabs® DOCSIS® 3.0 Certified to work with U.S. cable Internet providers like Comcast XFINITY®, Time Warner Cable®, Cox, Cablevision & more
  • Fast self-activation for XFINITY customers—Get connected without a service call


Speed makes HD video better. Speed makes online gaming awesome. Speed makes all your devices really go. And anyplace you need speed, with NETGEAR you got it. Fast download speeds up to 340 Mbps‡. WiFi technology provides whole home coverage. Everything you need for a fast, connected home.

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    FASTEST WIFI—Up to 300 + 300 Mbps†

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    DOCSIS 3.0—Up to 8x faster cable Internet speeds than 2.0

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    CHANNEL BONDING—Fastest Cable Internet speeds during peak hours

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    GIGABIT WIRED—Ideal for HD gaming and video streaming

WiFi Range

Homes come in all shapes and sizes. The NETGEAR N600 WiFi Cable Modem Router provides better WiFi connectivity throughout your home for all your Internet-enabled devices.

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    BETTER RANGE—WiFi coverage for large homes


Stay connected—with your devices, your media, and your friends. Simultaneous dual band reduces WiFi interference so you can enjoy a more reliable connection.

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    SIMULTANEOUS DUAL BAND—Reduces WiFi interference and doubles bandwidth


Relive memories and share them with others. Enjoy photos, videos and music stored on a shared USB hard drive. If it's secure and shared storage access you want, NETGEAR has easy ways to do it.

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

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    READYSHARE® USB ACCESS—Wirelessly access and share USB hard drive via the USB port

Ease of Use

NETGEAR makes it easy to do more with your digital devices. Use Push ‘N’ Connect to add devices to your WiFi network with a push of a button. And the simple browser-based installation with no CD makes router installation easy using an iPad, tablet, smartphone, or computer.

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    EASY INSTALL—Easy setup for iPad®, tablets, smartphones and computers

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    WIFI & POWER ON/OFF—Convenient power savings

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    PUSH ‘N’ CONNECT—Easy push button WiFi connections (WPS)

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    Works with cable Internet providers like Comcast XFINITY®, Time Warner Cable®, Cox, Cablevision & more (not compatible with Cable bundled voice services). Please check your cable Internet service provider web site for data speed tier compatibility.


Secure WiFi connections offer the highest level of WPA/WPA2 security.

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    SECURE WIFI CONNECTIONS—Highest level wireless security with WPA/WPA2

Product Number
Product Thumbnail
WiFi Technology
  • 802.11n Dual Band
Speed and Range
  • 8x4 CableLabs® certified DOCSIS® 3.0
WiFi Performance
  • N600 (300 Mbps + 300 Mbps)‡
WiFi Band
  • Simultaneous dual band 2.45 GHz and 5GHz
Number of Ethernet Ports
  • Two (2) 10/100/1000 LAN Gigabit Ethernet ports with auto-sensing technology
Number of USB Ports
  • One (1) USB 2.0 port
Key Features
  • Designed to meet DOCSIS 3.0 specifications and backward compatible with DOCSIS 2.0 networks
  • Simultaneous dual-band N600 WiFi
  • Fast download and upload cable Internet speed - up to 340 Mbps†
  • Supports IPv6
  • Wi-Fi Protected Access® (WPA/WPA2—PSK)
  • Double firewall protection (SPI and NAT firewall)
  • Denial-of-Service (DoS) attack prevention
  • Push ‘N’ Connect—Easy push button WiFi connections (WPS)
Product diagram
Physical Specifications
  • Dimensions: 7.6 x 4.45 x 1.63 in
  • Weight: 0.775 lb
Package Contents
  • N600 Cable Modem Router (C3700)
  • Ethernet cable
  • Quick install guide
  • Power adapter
  • One (1) USB 2.0 port
  • One (1) coaxial port for cable Internet
  • IEEE® 802.11 b/g/n 2.4GHz
  • IEEE® 802.11 a/n/ac 5GHz
  • Two (2) 10/100/1000 LAN Gigabit Ethernet ports with auto-sensing technology
System Requirements
  • Cable broadband Internet service
  • Please check your cable Internet service provider web site for data speed tier compatibility
  • Microsoft® Windows® 7, 8, Vista®, XP, 2000, Mac OS®, or other operating systems running a TCP/IP network
  • Microsoft® Internet Explorer® 5.0, Firefox® 2.0, Safari® 1.4, or Google Chrome 11.0 browsers or higher
  • Use with an N300 adapter like NETGEAR WNA3100 for maximum performance

*Based on a typical monthly equipment rental fee of $10 per month.

†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.

‡Maximum wireless signal rate derived from IEEE standard 802.11 specifications. Actual data throughput and wireless coverage will vary. Network conditions and environmental factors, including volume of network traffic, building materials and construction, and network overhead, lower actual data throughput rate and wireless coverage.

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. This product not compatible withCable bundled voice services.

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


Lose The Lease. Win Back Some Bucks.

Is your Cable Internet Service Provider charging you every month just to use their modem? Reduce your bill and bring-your-own-modem. The N600 is compatible with most major cable service providers.

Gaming without boundaries

Game anywhere in the house. Simultaneous Dual Band adds range and reduces interference for better connections to more WiFi devices.



A truly cinematic experience

A Gigabit wired Ethernet port provides the fastest wired speeds— the perfect connection for high-definition, uninterrupted movies.

Slim and Trim: Everything You Wanted in a Router and Less.

This 2-in-1 router and modem allows you to eliminate the need for two separate boxes cluttering your shelf. Additionally the narrow profile of the N600 lets you tuck it away behind other components and keep everything looking neat and organized.