TP-Link Archer AX21 WiFi Router (AX1800)

All the Advantages and Features are Gathered in this Router:

First of all, TP-Link Archer AX21 is the best budget WiFi6 Router, and meets all your needs including  proper coverage, reasonable communication speed and security, and high speed LAN/WAN ports. Frankly speaking, TP-Link company has pushed aside many competitors by introducing Archer AX21.

This dual band router has WIFi6 standard and with 4 LAN / 1 WAN ports with 1Gbps speed, allows you to implement a small and professional home or office network. This router has all the basic security protocols and can provide the overall security of your home or office network.

Unique Coverage and Exclusive Mesh Technology:

As you will read below, due to the use of several new and practical technologies in the field of radio waves and wireless networks, this router has a very high coverage . Also, don’t worry about expanding your network in the future,this router is compatible with OneMesh technology.

As you may know, the routers compatible with this technology can be connected wirelessly without the need for additional cabling, as a result , the wifi coverage area increases. Read the TP Link Archer AX21 review at below to know more about this router’s capabilities.


Get WiFi6 Technology Inexpensive…!

Tp-Link Archer Ax21 is compatible with WiFi6 (802.11ax). As you know, this standard has just been introduced and many companies have not yet been able to make routers compatible with this technology. This standard has many advantages, and this has made the manufacturers of WiFi equipment quickly seek to establish compatibility with this technology.

One of the most obvious advantages of WiFi6 (802.11ax) standard are :

  • Increase in data transfer speed and coverage.
  • Simultaneous access of multiple clients to the communication channel.
  • Increase in the number of active users.

One thing that should be noted is that routers compatible with this technology are usually expensive. But this router is an exception. This router is a WiFi6 standard BUT with a Reasonable price.  This router is an Economic WiFi6 router.

Dual Band Router:

Since this router has 2 separate frequency bands ( the 2.4Ghz frequency band with a speed of 600Mbps and the 5Ghz frequency band with a speed of 1200Mbps) it allows you to manage communications in the WiFi network. To have a better service, you can connect clients that need higher bandwidth to the 5Ghz frequency band. (such as smart TVs and game consoles) and connect the rest of the users to the 2.4Ghz frequency band.

Tp Link Archer Ax21 Range:

All the components that increase the signal coverage are present in this router, and each of them has strengthened the coverage of this router. The most important component is the use of High-Performance antennas, these antennas are about 30% stronger than normal antennas. The next component is the use of a Booster Array to strengthen the signal, and finally the use of Beamforming technology, which significantly increases coverage and signal quality.

High Level Security:

Tp-Link Archer Ax21 supports the most important and basic security services. Combining these security systems together allows you to configure your router in the most secure way possible.These security services are :

  • The SPI Firewall, which is able to neutralize most of the security risks that originate from the Internet.
  • The MAC Binding feature, lets you to create a list of authorized devices to use the WiFi network and stop worrying about hackers penetrating your router and network.
  • The ALG (Application Layer Gateway) system, which allows you to place application servers within your network on the Internet (such as a VOIP server or CCTV System) and use them from anywhere in the world without any security concerns.

Expand Your WiFi Network Easily:

One of the constant concerns in WiFi networks is network expansion problems. In every WiFi network, there comes a time when you need to increase the coverage of the network. In these cases, the first solution that comes to your mind is to add a new router to the network and connect it to the first router with a network cable ,and the next solution is usually using a WiFi range extender. These solutions are applicable, but they reduce the quality of your communication to a great extent.

Mesh technology has been implemented to solve this problem. But not all routers support it and you cannot use it in every network. This technology is able to connect multiple routers without using a network cable and increase the coverage area of ​​your WiFi network without losing network quality.

TP-Link company has a proprietary mesh technology called OneMesh, this technology is present on some router models of this company. (Same as this model). You can expand your WiFi network without any worries, just by buying a new router of the same model (or models compatible with this technology) and placing it in the network.

Read More : How To Extend WiFi Range

Easy Installation:

Setting up and managing this router is very easy. As you know, TP-Link has a dedicated app (called Tether) to install and manage some models of its WiFi routers. Fortunately, the tether App supports this router, allowing you to install and manage the router in the easiest way possible.


Our experts have performed different tests on this router. Including the bandwidth test, the capacity of the number of active users, overall security, etc. Also, a technical and price comparison was made between this router and other routers of the same category in the market, and as a result, that’s why we give this router a score of 8.5 out of 10. This router is really worth buying.

Wireless Specifications
Wireless Standard 802.11ax (a/b/g/n/ac)
Bands Dual Band
Overal Speed 1800Mbps
Range Large House
Capacity (Users) 50 Clients
Antenna 4× Fixed High-Performance
Software Capabilities
Security Level (1 to 10 ) 8.5
Parental Control Capabilities (1 to 10) 8
Traffic Control Capabilities (1 to 10) 8
Guest Network Yes
Physical Ports
WAN Ports 1
LAN Ports 4
USB Ports 1× USB 2.0
Special Capabilities
Beamforming Technology Yes
MU-MIMO Technology Yes
Mesh Support Yes
Repeater Mode No
Vendor-Specific Technology Tp-Link OneMesh technology
Hardware Specifications
Processor 1.5 GHz Quad-Core
Memory 256MB + 1GB Flash
Dimension 10.2 × 5.3 ×1.5 inc
Weight 1.45lb

How to Setup by Web Browser

To set up TP Link Archer AX21 WiFi router , you should use the configuration web page, which is designed to be completely user friendly and simple.

  1. Connect Your Router to Modem
    • If your internet connection is through an Ethernet cable, connect the cable to the router’s Internet port. And if your internet connection uses a modem, Connect the modem to your router’s Internet port with an Ethernet cable.

TP-Link archer AX21 Installation

  1. Find the default SSID (Network Name) and Password printed on the label at the bottom of the router and connect to it.

  1. Log In to Your Router by typing or in your web browser’s ( Google Chrome/Firefox/Safari/Edge,…) address bar. Then you should create a password (for router’s management purposes) and click Let’s Get Started to log in.

    • Set up the TCP/IP Protocol in Obtain an IP address automatically mode on your computer.
    • Please note that most TP-Link devices (Routers and Modems) use as default IP address and may conflict with each other. In such a situation, you can’t communicate with the router and you have to change the IP address of one of these devices.


  1. Go to Basic > Internet from the left panel and select your internet connection type from the drop-down list, Enter the required information and then click save.
    • There are 5 internet connection types Dynamic IP, Static IP, PPPOE , L2tp and PPTP. Most common model for internet connection, is the PPPOE connection , which requires a username and password from your ISP.

  1. Click the Network Map option from the left panel to check whether the internet is connected or not.

  1. Click the Wireless Settings and enter your desired Network Name (SSID) and Password for your WiFi network.

Read User’s Guide from the Useful Resources tab to learn how to configure the rest of the router’s functionality

How to Setup by Mobile App

TP-Link company has introduced a very practical App called “TP-Link Tether App”  for setting up and configuring some models of WiFi routers, including TP-Link archer ax21. This app allows you to manage all of your router’s management tasks in the simplest possible way. you can change the network name and password, router’s login password , update router’s firmware, etc.

  1. Download the app from Useful Resources tab.
  2. Connect to your router’s WiFi network .
    • Your router’s WiFi network name (SSID) and network key (password) are on the router
  3. Execute the Tether app on your mobile device. The dashboard displays.

  4. Tap a feature on the dashboard to view or change the settings.

Useful Resources

Archer AX21 App and documents:

TP-Link Tether App download:

Documents :


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