TP-Link Deco M3W User manual

Whole Home Mesh Wi-Fi System
Seamless Roaming | Parental Controls | Adaptive Path Selection
User Guide
AC1200 Whole Home Mesh Wi-Fi Add-On Unit
Deco M3W
1910012901 REV1.0.1 © 2020 TP-Link

1
About This Guide
This guide provides a brief introduction to Deco Whole Home Mesh Wi-Fi Add-On Unit and the Deco app, as well as regulatory information.
Features available in Deco Extender may vary by model and software version. Deco Extender availability may also vary by region or ISP. All images,
steps, and descriptions in this guide are only examples and may not reect your actual Deco Extender experience.
Conventions
In this guide, the following conventions are used:
Convention Description
Deco Router Stands for Deco Whole Home Mesh Wi-Fi Unit.
Deco
Extender
Stands for Deco Whole Home Mesh Wi-Fi Add-On Unit
M3W.
Deco Units Stands for Deco Routers and Deco Extenders.
Underline Hyperlinks are in teal and underlined. You can click
to redirect to a website or a specic section.
Teal Key information appears in teal, including management
page text such as menus, items, buttons and so on.
Note: Ignoring this type of note might result in a
malfunction or damage to the device.
Tips: Indicates important information that helps you
make better use of your device.
More Info
• Specific product information can be found on the product page at
https://www.tp-link.com.
• A community is provided for you to discuss our products at https://
community.tp-link.com.
• Our Technical Support contact information can be found at the Help
center of the Deco app and the Contact Technical Support page at
https://www.tp-link.com/support.
Speed/Coverage/Device Quantity Disclaimer
Maximum wireless transmission rates are the physical rates derived from
IEEE Standard 802.11 specifications. Range, coverage, and maximum
quantity of connected devices are based on test results under normal
usage conditions. Actual wireless data throughput. wireless coverage,
and quantity of connected devices are not guaranteed and will vary
as a result of 1) environmental factors, including building materials,
physical objects, and obstacles, 2) network conditions, including local
interference, volume and density of traffic, product location, network
complexity, and network overhead, and 3) client limitations, including
rated performance, location, connection quality, and client condition.

2
Appearance
Deco Extender has four LED lights and a Reset button. See the explanation below:
LEDs:
LED STATU S INDICATION
Power
On Deco Extender is powered on or Deco Extender is ready for setup.
Off Deco Extender is powered off.
Pulse Deco Extender is starting up, upgrading firmware, or resetting.
Signal
White Solid Internet service is available.
Red Solid Deco Extender is connected to main Deco but internet service is not
available.
White Pulse WPS connection is in progress.
Red Pulse Deco Extender is disconnected from main Deco.
2.4GHz On/Off Deco Extender is connected or not connected to main Deco’s 2.4GHz
Wi-Fi.
5GHz On/Off Deco Extender is connected or not connected to main Deco’s 5GHz
Wi-Fi.
Reset Button:
Press (no more than 1 second) and release to reset Deco Extender to factory default
settings.
Plug:
Connect to a standard power socket.
Note:
1. The provided plug may dier from the picture due to dierent regional power specications.
2. For safety, only plug the extender in upright direction as shown on the right.

3
Set Up Your Deco Extender
Follow the steps below to add the Deco Extender to your existing Deco network. This guide uses Deco M4R as an example for main Deco.
1. Connect to Deco Wi-Fi
Connect your smartphone to your existing
Deco Wi-Fi, then launch the Deco app.
Note: If you have not set up a Deco Wi-Fi, refer to the user
manual of your Deco Whole Home Mesh Wi-Fi System/Unit.
2. Add your Deco Extender
On the dashboard, tap +and select DECOS.
Identify your Deco model.
3. Find a suitable spot
Follow the app instructions to find a suitable
spot within the range of your existing Deco
network.

4
4. Plug in your Deco Extender
Plug the Deco Extender into a wall outlet and
wait until its Power LED turns solid on. The app
will automatically nd the device.
Tips: If you have multiple Deco Extenders, you can plug in
and set them up together.
5. Specify the location
Select a location for the Deco Extender. If its
location is not listed, you can create a new one
by choosing Custom.
6. Finish
The Deco app will automatically optimize your
Deco network and finish adding the Deco
Extender.

5
Dashboard
After you successfully extend your Deco network, you will see the dashboard of the Deco app. Here you can view the connected devices and their
internet speeds, and tap the (Internet) icon to check the working status of all Deco units.
View connected devices Display all Deco units Check the working status

6
Update Deco Units
TP-Link is dedicated to improving product features and providing a better customer experience. Update Deco units when prompted in the Deco app.
Update Available Updating Deco Up-to-date