D-Link DIR-878 Wi-Fi AC1900 MU-MIMO Gigabit Router with D-Link DCM-301 DOCSIS 3.0 Cable Modem


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HD Streaming & Gaming on Multiple Devices
The DIR-878 delivers premium performance for users who demand faster Wi-Fi speeds for HD streaming and gaming on multiple devices. This router is designed to supports MU-MIMO Technology that allows multiple devices to get high bandwidth Wi-Fi signal at the same time.
D-Link DIR-878 AC1900 ROUTER
High-bandwidth Wi-Fi signal to multiple devices at the same time.
D-Link DIR-878 AC1900 ROUTER
Dual Core Processor
Faster network speed for a more powerful router.
D-Link DIR-878 AC1900 ROUTER
High Powered Antennas
Wider coverage throughout your home
D-Link DIR-878 AC1900 ROUTER
3x3 Data Streams
Supports 3 data streams for increased throughput.
D-Link DIR-878 AC1900 ROUTER
Advanced AC SmartBeam
Tracks your connected devices for enhanced Wi-Fi speed and range.
D-Link DIR-878 AC1900 ROUTER
Dual Band
Up to 600 + 1300 Mbps combined Wi-Fi Speed.

Dual-Band with a Kick
How about a dual-band wireless router with 3x3 data streams for faster Wi-Fi speeds? Independent data streams are delivered to each device on the network for speeds of up to 1900Mbps (600 Mbps in 2.4GHz + 1300 Mbps in 5GHz). The best performance for streaming your favorite movie or playing games with your friends
D-Link DIR-878 AC1900 ROUTER
D-Link DIR-878 AC1900 ROUTER
Want Great Coverage?
Four high-performance external antennas and high-power amplifiers will bring out stronger Wi-Fi coverage throughout your home. More devices that will connect faster to your network and no more dead zones.
Multi-User MIMO (MU-MIMO)
With MU-MIMO technology multiple devices are able to get high-bandwidth Wi-Fi signal at the same time, distributing data more efficiently, giving you the fastest Wi-Fi speeds in your home. You can stream HD media faster, transfer large files really fast and play lag-free gaming.
D-Link DIR-878 AC1900 ROUTER

More Processing Power
A Dual-core processor boosts multitasking computing power and improves throughput speeds for all of your applications
D-Link DIR-878 AC1900 ROUTER

Optimal Bandwidth Connect
Not all Wi-Fi bands are the same, but you don’t need to worry about that. The DIR-878 allows you to chooses from two Wi-Fi bands and automatically connects each device on your network to the best, clearest band available for the best connection every time.
D-Link DIR-878 AC1900 ROUTER

SmartBeam Forming
Improves coverage by directing bandwidth to your devices as you move around your home. You can seamlessly stream HD video, surf the web, skype your friends and play online games from wherever you are so you’ll always get the best experience.
D-Link DIR-878 AC1900 ROUTER
Crazy Fast Wired Performance
Connect up to 4 wired devices and enjoy the best online experience for HD Streaming and Gaming
D-Link DIR-878 AC1900 ROUTER

Additional Features

11AC Wi-Fi – World’s fastest Wi-Fi speeds of up to 600Mbps (2.4GHz) + 1300Mbps (5Ghz).
Gigabit Ethernet Ports - Ensures the best wired online experience for HD streaming and gaming.

Whole-Home Coverage – 4 high gain antenna trasmitting stronger wireless signals to extend range and optimize connectivity

Traffic Prioritization – Advanced QoS engine guarantees the best performance for high priority programs, games and video streaming.
Dual-Band Technology – Decreases wireless interference and congestion, allowing you to connect more devices.
Band Steering – Automatically assigns devices to the less crowded 5 GHz network to increase bandwidth efficiency and availability.
Airtime Fairness

Easy To Install – Installation wizard manually walks you through setup in minutes.

Quick Router Setup (QRS) App – Easy setup app for smartphones and tablets.

WPS Push Button Setup – Quickest method of connecting devices with the push of a button.

Secure Wi-Fi Encryption– WPA/WPA2 provides highest level of wireless security.
Guest Wi-Fi Network – Enable a public or encrypted wireless guest network to secure and control access to local network devices.
Parental Controls – Create online access schedules and block/allow specific websites and/or devices.
L2TP Over IPSec VPN Server Support – Transmit data securely when connected remotely.

D-Link DIR-878 Features:

  • AC1900 Dual Band Wi-Fi - Deliver faster Wi-Fi speeds of up to 1900 Mbps (600 Mpbs on 2.4 GHz + 1300 Mbps on 5 GHz)
  • 4x4 Data Streams - Supports 4 data streams for increased throughput
  • Dual Core Processor - Faster network speed for a more powerful router
  • MU-MIMO Technology - High-bandwidth Wi-Fi signal to multiple devices at the same time (firmware update required to support MU-MIMO)
  • Advanced AC SmartBeam - Tracks your connected devices for enhanced Wi-Fi speed and range
  • Intelligent QoS - Traffic optimization delivers seamless performance for your applications
  • Intuitive UI - Controlling your network is easier than ever with our simple user interface
  • High Power Antennas - Wider coverage throughout your home


DOCSIS 3.0 Cable Modem

With the DCM-301 DOCSIS 3.0 Cable Modem you can save up to $96.00 a year by eliminating modem rental fees and experience state-of-the-art performance for your home or small business network.

Get Connected and Stay Connected

The DCM-301 is up to 8 times faster than DOCSIS 2.0 cable modems, with download speeds of up to 343Mbps and upload speeds of up to 150Mbps, making it easier than ever to share files, browse the web and stream music or HD video.

Ultimate Compatibility

The DCM-301 is DOCSIS CableLabs Certified and is compatible with most U.S. cable providers, such as Time Warner, Comcast, Cox, Bright House Networks and more.

Perfect For Home or Business

DOCSIS 3.0 supplies high-speed broadband internet access powerful enough to support your home networking or small business needs..

Create a Complete Solution

Combine with a cloud router, network camera or network attached storage device to create a complete home or small business networking solution.


D-Link DCM-301 DOCSIS 3.0 Cable Modem Specifications:

Hardware Features

  • DOCSIS 3.0 standard compliant
  • Backward compliant with DOCSIS 2.0/1.1/1.0
  • IEEE 802.3/802.3u 10/100/1000BASE-TX Ethernet
  • IPv6 support
  • QoS priority queueing
  • MSO SNMPv3 remote network management
  • Provides MIBs for DOCSIS 1.0/1.1/2.0/3.0


  • Comcast
  • Time Warner Cable
  • Cox Communications
  • Bright House Networks
  • Major US cable providers2
  • CableLabs DOCSIS 3.0 CW70
  • CE
  • FCC
  • cUL
  • CB

External Device Interfaces

  • 10/100/1000BASE-TX Ethernet port (auto MDI/MDIX)
  • CATV-Coaxial Female WAN port
  • Power button
  • Reset button
  • Power input

Operational Support System


Data Speed Downstream Receiver

  • Demodulations: 8/16/32/64/256/512/1024QAM
  • Channel bonding maximum: 8
  • Maximum downstream speeds: 30 Mbps (640QAM) / 43 Mbps (256QAM) / up to 320 Mbps through 8 channel bonding1
  • Frequency range: 50 to 1002 MHz +/- 30 KHz
  • Bandwidth: 6 MHz
  • Signal level: -15 dBmV to +15 dBmV, automatically gain controlled by CM

Data Speed Upstream Receiver

  • Modulations: QPSK, 8/16/32/64/256QAM, 4 U/S
  • Channel bonding maximum: 4
  • Maximum upstream speeds: 30 Mbps (TDMA) / 35 Mbps (SCDMA) / up to 160 Mbps1
  • Frequency range: 5 to 42 MHz
  • Bandwidth: 200/400/800/1600/3200/6400 KHz
  • Signal level: 8 to 58 dBma (QPSK) / 8 to 54 dBma (32/64QAM) / 8 to 53 dBma (S-CDMA)

Dimensions (L x W x H)

  • Device: 5.2 x 6.0 x 1.4 inches
  • Box: 6.65 x 8.58 x 2.48 inches


  • Device: 0.65 lbs.
  • Box: 2.7 lbs.


  • Input: DC 120-240 V AC / 50/60 Hz, <10W
  • Output: 12 V / 1 A DC


  • Operating: 32 to 104 °F (0 to 40 °C)
  • Storage: -4 to 158 °F (-20 to 60 °C)


  • Operating: 10% to 90% non-condensing

1 Actual data throughput may vary depending on your individual service contract with your cable provider, the network conditions and environmental factors, including volume of network traffic, building materials and construction.

2 Certification varies per cable service provider. Please contact your cable service provider to determine if the DCM-301 is compatible.