AC1900 Cable Modem/Router

Model 5363


Model 5363 combines a 343 Mbps DOCSIS 3.0 8x4 cable modem
and an AC1900 wireless router with 4 GigE ports.

Certified by Comcast®, Time Warner Cable®, Cox®, and Bright House®
for money-saving own-your-modem programs that typically save $8 to $10 per month.

  • Fast Internet!
    - 8x4 DOCSIS 3.0 Cable Modem is faster than DOCSIS 2.0
      or 4x4 DOCSIS 3.0

  • Fast Wireless!
    - Wi-Fi®-compatible 11ac and 11n
    - 2.4 and 5.0 GHz radios
    - 3 dual-band antennas
    - Beamforming for superior speed, range,and reliability

  • Beamforming
    - AnyBeam beamforming works with any Wi-Fi compatible device
    - Also includes explicit beamforming for any 802.11ac device

  • 2-year Warranty

  • CableLabs® certified
    Also certified for use with Comcast XFINITY®, Time Warner Cable,
    Cox, Bright House, and more

    XFINITY Time Warner Cable


Model 5363 front and views

Product images not shown actual size.
Actual size of case is 8.125" tall x 7.5" x 2" (20.6 x 19 x 5 cm).

Save money!

Owning this cable modem eliminates modem rental charges (typically $8 to $10 every month) from Comcast XFINITY, Time Warner Cable, Cox, Bright House, and other service providers.

Stacked dollar bills

Fast Internet!

This 8X4 cable modem/router has eight downstream channels, four more than 4X4 cable modems. The four additional downstream channels give higher average download speeds than 4X4 modems, even when the service speed is below this cable modem/router’s top speed of 343 Mbps.


Connect your devices

Model 5363 provides Internet access for devices with an Ethernet port and for WiFi compatible devices including computers, tablets, game systems, e-readers, smart TVs, and smartphones.

Multiple devices

Dual-band WiFi

  • Up to 600 Mbps* at 2.4 GHz with Broadcom Turbo QAM
  • Up to 1300 Mbps* at 5.0 GHz with Dynamic Frequency Selection (DFS) included and on; up to 488 Mbps maximum at 5.0 GHz with DFS off**
  • Uses 3 internal dual-band antennas orthogonally placed
  • Transmit power near but not above FCC limits
2.4 and 5.0 Ghz dual-band radio signal


  • Beamforming extends range, increases speed, and enhances reliability.
  • AnyBeam at 2.4 and 5.0 GHz. AnyBeam focuses the wireless signal on the wireless client even if that smartphone, computer, tablet, smart TV, or other Wi-Fi-compatible device doesn’t have beamforming technology.
  • In addition to 802.11ac beamforming, Broadcom AnyBeam provides beamforming with 802.11a/b/g/n clients.
AnyBeam delivers better performance
Click to enlarge »

Superior wireless performance

Beamforming, dual wireless radios, and 3x3 antennas for both radios provide a significant advantage, especially locations suffering due to interference from nearby wireless networks.

Radio tower/antenna

Powerful router features

Advanced router features include:

  • Wireless security with highest grade protection
  • Unique factory-set wireless security password
  • Advanced firewall
  • Parental controls
  • Up to 16 guest networks (SSIDs)
  • VPN tunneling
Powerful router features

State-of-the-art wireless features

Wireless LAN features include:

  • 802.11e Quality of Service
  • WMM admission control
  • WDS for extending wireless range using repeaters
  • WPS for easy wireless setup
802.11e QoS / WMM / WDS / WPS

Efficient, integrated design

The modem/router combination is a compact 8.125 x 7.5 x 2 inches. This integrated approach saves desk space, reduces cable clutter, and minimizes connecting cables and bad wiring connections as a source of technical problems.

Model 5363 dimensions

Parental controls

Restrict access to inappropriate and undesirable sites.

Parental controls shield

Certified by Comcast, Time Warner Cable,
Cox, Bright House, and more

This product is certified for own-your-modem programs by Comcast, Time Warner Cable,
Cox, Bright House, and more. For other cable services, please check with that service.

USA map

Additional features

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    CableLabs certified
    The 5363 is certified by CableLabs to support the latest DOCSIS 3.0 standard plus DOCSIS 2.0 and 1.1 for use with older cable systems. Also certified by Comcast, Time Warner Cable, Cox, Bright House, and more.

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    Four Gigabit Ethernet ports
    With Auto Negotiation and Auto MDIX

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    Fast, secure wireless setup
    Using unique security settings shown on bottom label

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    Advanced firewall
    For protection against intruders

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    IPv6 and IPv4 are supported
    For powerful, flexible network addressing that supports the future of the Internet

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    Integrated MoCA (multimedia over cable) reject filter

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    Uses advanced Broadcom IC (integrated circuit) technology
    BCM3383 cable modem IC plus two BCM4360 wireless ICs

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    Flexible cable modem orientation
    Vertical or horizontal

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    The perfect choice
    With its easy installation, high speed, and extensively tested compatibility, the Model 5363 is the perfect choice for almost any cable modem/router user.

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    Excellent USA customer support
    The Zoom 5363 is supported by Zoom Telephonics, a Boston based company founded in 1977

See specifications »
* Speeds shown are the maximum wireless speeds derived from IEEE 802.11. Actual speeds will vary.
** Zoom is in the process of certifying this cable modem with the FCC for the DFS bands. Until certification occurs, DFS cannot be turned on in the USA.

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