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mg8702 | 1Gbps DOCSIS 3.1 Cable Modem + WiFi 5 Router

"This helped me finally cut the cord and save over $100. I should have cut the cord and stopped paying monthly fees to rent a router and boxes for each tv long ago." – Intruth

mg8702 | 1Gbps DOCSIS 3.1 Cable Modem + WiFi 5 Router

$249.99 $299.99 saving $50.00
| /
  • Speeds up to 1Gbps, WiFi 5 router
  • Save up to $168* per year vs renting
  • Smart WiFi with built in security, parental controls
$249.99 $299.99 saving $50.00
| /

"This helped me finally cut the cord and save over $100. I should have cut the cord and stopped paying monthly fees to rent a router and boxes for each tv long ago." – Intruth

  • Description
  • Tech Specs
  • ultra-fast DOCSIS 3.1 performance

    Active Queue Management (AQM) reduces lag for faster page loads and enhanced interactive applications. Backwards compatible with 32x8 DOCSIS 3.0. Supports speeds up to 1 Gigabit.

    powerful AC3200 4x4 router

    Power Boost™ and AnyBeam WiFi beamforming enable quality streaming, gaming, and connecting throughout the home. MU-MIMO seamlessly manages multiple device connections.

    intelligent mobile app

    Set up in minutes using the motosync app. Access speed tests, guest network, signal strength, and malware blocking. Create family profiles to filter content, set schedules, monitor usage, and more.

    extreme cost savings

    Save up to $168 per year on modem rental fees with your internet provider.

    easy and reliable

    Comes with a 2-year warranty and free support from our team of US-based technicians.

  • General

    Cable Modem Service Interface

    • F-type female 75 Ω standard coaxial connector

    WiFi Technology

    • 802.11ac/n/g/b/a, 4x4 MU-MIMO (Multi-User Multiple Input Multiple Output)

    WiFi Speed and Performance

    • Simultaneous Dual-Band radios
    • Up to 1000 Mbps* at 2.4 GHz
    • Up to 2167 Mbps* at 5 GHz
    • Anybeam at 2.4 GHz and 5 GHz for implicit beamforming with any WiFi compatible devicee
    • Four (4) SSIDs (2 per radio)

    Wireless Standards

    • IEEE 802.11ac, n, g, b, and a


    • Four (4) internal dual-band antennas
    • Power Boost® wireless amplifiers
    • Transmit power:
      2.4 GHz: Up to 30dBm
      5 GHz: Up to 28dBm

    USB Interface

    • One (1) USB 3.0 host port for plugging in optional USB storage devices for Network Attached Storage (NAS).
    • Supports DLNA Media Sharing for easy sharing of video and audio files by other devices on your network.

    Ethernet Interfaces

    • Four (4) 10/100/1000 Mbps Ethernet LAN ports, with Auto- MDI/MDIX

    Router Mode

    • Dynamic DNS
    • DHCP Server and Client
    • NAT
    • Bridging
    • Port Forwarding/DMZ support
    • Support for up to 223 client devices

    Networking and Security Features

    • Stateful Packet Inspection (SPI)
    • VPN passthrough: PPTP, IPsec tunneling
    • Attack Protection
    • IP/MAC/Port filtering
    • Denial of Service Notification
    • Supports Baseline Encryption (BPI) Management
    • Wireless Functions: WMM/WME, Guest Network
    • Wireless Security: WPA-PSK/WPA2-PSK, WPA/WPA2, TKIP/AES, WPS, 802.1x Authentication
    • Password protected system management
    • Cable modem diagnostic log


    • Front Panel:
      Power, Downstream, Upstream, Online, LAN, 2.4 GHz WiFi, 5 GHz WiFi, WPS, USB
    • Rear Panel:
      Each Ethernet port has two LEDs indicating data flow and LAN connection speed. Green indicates 1 Gbps; amber indicates 10 or 100 Mbps. Blinking indicates data flow.


    • 9.7” tall x 9.5” deep x 2.8” wide
      (246 mm x 241 mm x 71 mm)


    • 34.4 ounces (975 grams)

    Power Adapter

    • DoE-compliant Level VI energy-saving, UL-listed power adapter with 12 Volt DC, 3.5 Amp output and 100-240VAC universal input
    • NEMA 1-15 (North American style) 2-prong plug is provided in the US.

    Operating Temperature

    • 32° to 104° F (0° to 40° C)


    • FCC 15B, 15C and 15E, FCC MPE, Bureau Veritas 60950-1 ITE safety, CableLabs®, cable service providers
    • Click here for additional regulatory compliance information

    Surge Protection

    • Industrial-level surge & lightning protection


    • Two years

    System Requirements

    • The cable modem must be connected to a cable modem service that uses any of the DOCSIS standards – 3.1, 3.0, 2.0, 1.1

    Package Contents

    • DOCSIS 3.1/3.0 Cable Modem with AC3200 WiFi 5 Router
    • (does not include phone jacks or phone capability)
    • Power Adapter (UL listed)
    • Ethernet Cable (Cat 5e)
    • Minim App

    Operating Parameters

    DOCSIS Standards

    • DOCSIS 3.1, 3.0, 2.0, 1.1


    • Data Rate:
      Up to 6,000 Mbps†
    • Bonded Channels:
      Up to 2 OFDM (DOCSIS 3.1) or 32 SCQAM (DOCSIS 3.0)
    • Frequency Range:
      108 to 1002 MHz
    • Modulation:
      64, 256, 1024, 2048, 4096 QAM
    • Operating Level Range:
      -15 to +15 dBmV


    • Data Rate:
      Up to 800 Mbps†
    • Bonded Channels:
      One up to 80MHz OFDMA (DOCSIS 3.1) or up to 8 SCQAM (DOCSIS 3.0)
    • Frequency Range:
      5 to 42 or 5 to 85 MHz switchable
    • Modulation:
      QPSK, 8QAM, 16QAM, 32QAM, 64QAM, 128QAM, 256QAM, 1024QAM, 2048QAM, 4096QAM
    • Operating Level Range:
      +51 dBmV (64 QAM, single channel)
      +57 dBmV (64QAM, 4–8 channels)
      +65 dBmV (16 QAM, single channel)
      +65 dBmV (OFDMA)

    Network Protocols


    Application Protocol

    • SNMP v1/v2/v3

    DHCP Client

    • Automatically retrieves IP and DNS server address from DHCP server through WAN connection

    ToD (RF868)

    • ToD support for local and MSO time synchronization management
    • Web-based management interface utility

    * The actual speed of a connected device depends on the speed of your Internet service and the speed of the WiFi or Ethernet link to that device. Comcast has tested this modem for actual Internet speeds up to 1000 Mbps.

    ** This cable modem/router does not have telephone jacks for support of voice phone calls.

Customer Reviews

Based on 268 reviews
Huge Improvement, but get prepared in advance.

Seems about twice as fast as our previous modem/router setup. Nice to have it all in one unit. Setup was pretty easy, but people should print out the instructions before starting the installation because losing WiFi means no printer or website access. Also, it was very helpful to have our provider Xfinity's instructions.

Richard H.
Satisfied customer

It works great

Elizabeth O.
Easy to install, works great

Installed router, modem. It was easy to do and then called Comcast for them to connect. Thanks for having a password that I can remember!! Saving me $30/month! Will pay for itself this year. And I am not very techie.

Robert H.T.

It works great. Small issue with wifi device connections.

Rafael D.
Great purchase

It was worth the money. The modem greatly improved my internet connection and speed which I didn't even realized it was lacking.