Home / Collections / Cable Modems / Motorola DOCSIS 3.0 Cable Modem, up to 550 Mbps speed | mb7420

Motorola DOCSIS 3.0 Cable Modem, up to 550 Mbps speed | mb7420

| /

Motorola DOCSIS 3.0 Cable Modem, up to 550 Mbps speed | mb7420

| /
  • Description
  • Tech Specs
  • high-speed DOCSIS 3.0 performance

    Compatible with major U.S. cable Internet providers including Comcast Xfinity, Cox, Spectrum and others.

    fast, reliable Internet

    Supports cable Internet service plans with speeds up to 300 Mbps for faster downloads, HD streaming, and better gaming.

    works with any router

    Seamlessly pair with any WiFi router to connect all your wireless devices. This cable modem does not have a built-in wireless router or telephone capability.

    extreme cost savings

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

    simple setup and use

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


    Cable Modem Service Interface

    • F-type female 75 Ω (standard coaxial connector)

    Ethernet LAN Interface

    • RJ-45 10/100/1000 Mbps Ethernet, with Auto-MDI/MDIX

    Status Indicators

    • Ethernet link, Connection status, Upstream link, Downstream link, Power


    • 6.1" H x 4.9" D x 2" W
      (155mm x 124mm x 51mm)


    • 9.3 ounces (264 grams)

    Power Adapter

    • DoE-compliant Level VI energy-saving, UL-listed power adapter with 12 Volt DC, 1 Amp output and 110VAC nominal input.
      NEMA 5-15 (North American style) plug is provided in the US.

    Operating Temperature

    • 32° to 104° F (0° to 40° C)


    • FCC part 15B, Bureau Veritas 60950-1 ITE safety, CableLabs®, cable service providers

    Surge Protection

    • Ruggedized cable and power lightning protection


    • Two years

    Operating Parameters


    • Data Rate*:
      Up to 686 Mbps (16 channels)
      Up to 43 Mbps (single channel)
    • Frequency:
      108 to 1002 MHz (edge to edge)
    • Modulation:
      64 or 256 QAM
    • Operating Level Range:
      -15 to +15 dBmV


    • Data Rate*:
      Up to 123 Mbps (4 channels), Up to 31 Mbps (single channel)
    • Frequency:
      5 to 85 MHz (edge to edge)
    • Modulation:
      QPSK, 8QAM, 16QAM, 32QAM, 64QAM,128QAM, 256QAM
    • Operating Level Range:
      +8 to +54 dBmV (32QAM, 64QAM)
      +8 to +58 dBmV (QPSK)
      +8 to +53 dBmV (all modulations)
    • Security:
      DOCSIS 3.0 Security (BPI+, EAE, SSD)
    • Network Protocols:
    • Application Protocol:
      SNMP v1/v2/v3
    • DHCP Client:
      Automatically retrieves IP and DNS server address from DHCP server at ISP
    • ToD (RF868):
      ToD support for local and MSO time synchronization
    • TFTP Client:
      TFTP support for cable modem configuration file download
    • Management:
      Web-based management interface utility
    • Core Chipset:
      Broadcom BCM33843D

    System Requirements

    • The cable modem must be connected to a cable modem service that uses any of the DOCSIS standards – 3.0, 2.0, 1.1
    • The supplied power cube plugs into the most common USA power outlet.

    Package Contents

    • Cable Modem
    • Power Cube
    • Ethernet Cable
    • Velcro® Cable Organizer
    • Coax Connection Tool
    • Quick Start Flyer

    * Data throughput will be reduced by network overhead. Delivered data speeds are also dependent upon the configuration and capacity of the data-over-cable service on which the MB7420 is used.