TP-Link AC750 Archer C2 User manual

© 2021 TP-Link 1910012961 REV5.0.0
AC750 Wi-Fi Range Extender
RE190
User Guide

Contents
About This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Chapter 1. Get to Know About Your Extender . . . . . . . . . . . . . . . . . . . . . . . . .2
1. 1. Product Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1. 2. Appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1. 2. 1.LED Explanation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1. 2. 2.Button Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chapter 2. Set Up Internet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2. 1. Power on the Extender. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2. 2. Set Up the Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2. 2. 1.Method 1: Via the TP-Link Tether App. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2. 2. 2.Method 2: Via a Web Browser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2. 2. 3.Method 3: Via the WPS Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Chapter 3. OneMesh with Seamless Roaming . . . . . . . . . . . . . . . . . . . . . . 14
3. 1. What‘s a OneMesh Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3. 2. How to Set Up a OneMesh Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3. 3. How to Manage a OneMesh Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Chapter 4. TP-Link Cloud Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4. 1. Register a TP-Link ID. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4. 2. Change Your TP-Link ID Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4. 3. Manage the User TP-Link IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4. 3. 1.Add TP-Link ID to Manage the Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4. 3. 2.Remove TP-Link ID(s) from Managing the Extender . . . . . . . . . . . . . . . . . . . 20
4. 4. Manage the Extender via the TP-Link Tether App . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 5. Customize Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5. 1. Check Internet Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5. 2. Configure Wireless Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5. 3. Change LAN Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5. 4. Specify DHCP Server Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5. 5. Set High Speed Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5. 6. Set Access Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5. 7. Adjust Wi-Fi Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Chapter 6. Manage Your Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6. 1. Set System Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

6. 2. Control LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6. 3. Set Power Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6. 4. Upgrade the Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6. 4. 1.Online Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6. 4. 2.Local Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6. 5. Backup and Restore Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6. 6. Reboot the Extender. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6. 7. Change Login Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6. 8. Check System Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
FAQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

1
About This Guide
This guide is a complement to Quick Installation Guide. The Quick Installation Guide
provides instructions for quick internet setup, while this guide contains details of each
function and demonstrates how to configure them.
Features available in this range extender may vary by model and software version.
Range extender availability may also vary by region or ISP. All images, steps, and
descriptions in this guide are only examples and may not reflect your actual range
extender experience.
Conventions
In this guide the following conventions are used:
Convention Description
Underlined Underlined words or phrases are hyperlinks. You can click to redirect to a website or a
specific section.
Teal Contents to be emphasized and texts on the web page are in teal, including the menus,
items, buttons, and so on.
>
The menu structures to show the path to load the corresponding page. For example,
Settings > System Tools > Firmware Upgrade means the Firmware Upgrade page is under
the System Tools menu that is located in the Settings tab.
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
The latest software, management app and utility are available from Download Center at
https://www.tp-link.com/support/.
The Quick Installation Guide can be found where you find this guide or inside the
package of the extender.
Specifications can be found on the product page at https://www.tp-link.com.
TP-Link Community is provided for you to discuss our products and share knowledge at
https://community.tp-link.com.
Our Technical Support contact information can be found at the Contact Technical
Support page at https://www.tp-link.com/support/.
Speed/Coverage Disclaimer
Maximum wireless signal rates are the physical rates derived from IEEE Standard
802.11 specifications. Actual wireless data throughput and wireless coverage 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.

Chapter 1
Get to Know About Your
Extender
This chapter introduces what the extender can do and its appearance.
It contains the following sections:
• Product Overview
• Appearance

3
Chapter 1 Get to Know About Your Extender
1. 1. Product Overview
Bring Dead Zones Back to Life
Tired of Wi-Fi “dead zones”? The TP-Link extender is connected to your router wirelessly,
strengthening its signal and expanding its coverage into areas that could not otherwise
be reached.
Easy Installation & Quick Position
The extender works with any standard wireless router. Instantly connect the extender
to a router by pressing the router’s WPS button (if available) followed by the extender’s
WPS button. Alternatively, follow the Quick Setup instructions on the extender’s web
management page.
Once the extender is connected to a router, you can relocate it to your preferred location
with no further configuration required. The intelligent signal light can help to find the
best location.
Easy Management with the TP-Link Tether App
Tether provides a simple, intuitive way to access and manage your extender with your
smart devices.
1. 2. Appearance

4
Chapter 1 Get to Know About Your Extender
1. 2. 1. LED Explanation
You can check the extender’s working status by following the LED Explanation table.
Name Status Indication
5GHz On/Off The extender is connected or not connected to the 5GHz
wireless network of your host router.
2.4GHz On/Off The extender is connected or not connected to the
2.4GHz wireless network of your host router.
(Signal)
Solid blue The extender is connected to your router’s wireless
network and is in a suitable location.
Solid red The extender is experiencing poor signal strength. Try
relocating it closer to your host router.
Off No wireless connection is established.
(Power)
On/Off The extender is on or off.
Blinking The system is starting up or firmware is being upgraded.
(WPS)
On WPS connection is established.
Blinking WPS connection is in progress.
Off WPS connection has been established for more than 5
minutes or WPS connection failed.
1. 2. 2. Button Description
Button Description
(WPS)
Press the WPS button on your host router, and immediately press on
the extender for 1 second. The LED of the extender should change
from blinking to solid on, indicating successful WPS connection.
RESET Use a pin to press the button for 1 second to reset the extender.

Chapter 2
Set Up Internet Connection
This chapter introduces how to boost your host wireless coverage. Please follow the
step-by-step instructions to set up the internet connection.
It contains the following sections:
• Power on the Extender
• Set Up the Extender

6
Chapter 2 Set Up Internet Connection
2. 1. Power on the Extender
Plug the extender into an electrical outlet next to your router, and then wait until the
Power LED turns solid on.
Solid On
Note:
1. The operating temperature should be between 0°C and 40°C (32°F - 104°F).
2. For safety, only plug the extender in upright directions as shown below.
2. 2. Set Up the Extender
There are three ways to set up the extender: via the TP-Link Tether app, via a web
browser, or via the WPS button.
2. 2. 1. Method 1: Via the TP-Link Tether App
1. Launch the Apple App Store or Google Play Store and search TP-Link Tether or simply
scan the QR code to download and install the app.
OR
2. Launch the Tether app and log in with your TP-Link ID.
Note: If you don’t have a TP-Link ID, create one first.

7
Chapter 2 Set Up Internet Connection
3. Tap the +icon on the upper-right corner and select Range Extender.
4. Follow app instructions to set up your extender.
If the extender connects to a OneMesh router, it will copy the router’s wireless settings
for seamless roaming. For more information about OneMesh, refer to OneMesh with
Seamless Roaming.
Tip:
It is recommended to enable Smart Connect on your host router to enjoy a seamless connection between dual-band
networks. With Smart Connect enabled, your host router’s 2.4GHz and 5GHz share the same SSID (network name) and
password. Refer to your host router’s user guide to enable Smart Connect.
5. Follow app instructions to relocate your extender.
Tip:
For more intuitive location assistant, access extender settings via Tether and go to Tools > Location Assistant. You
can also manage your extender via Tether, such as controlling LEDs, sharing passwords of your networks and blocking
devices.
6. Enjoy! Connect to the extended network and enjoy the Internet.