TPLink Archer AX21 WiFi Router (AX1800) Review

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Inexpensive WiFi 6:

TPLink Archer AX21 is compatible with WiFi 6 (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 WiFi 6 (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 WiFi 6 router.

Wireless Bands:

Since TPLink AX1800 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.


All the components that increase the signal coverage are present in tplink archer ax21, 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.


TPLink AX1800 (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.

OneMesh Technology:

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.

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. ( By using TPLink Extender)

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


Our experts have performed different tests on this tplink wifi router model. 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.

TPLink Archer AX21 (AX1800) WiFi Router

 TP-Link WiFi 6 Router AX1800 Smart WiFi Router (Archer AX20) – 802.11ax Router, Dual Band Gigabit Router, Parental Controls, Long Range Coverage

TPLink Archer AX21 (AX1800) Documents

TPLink Archer AX21 - AX1800 WiFi Router Specifications

Wireless Specifications
Wireless Standard802.11ax (a/b/g/n/ac)
BandsDual Band
Overall Speed1800Mbps
RangeLarge House
Concurrent Clients30 Clients
Antenna4× 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 NetworkYes
Physical Ports
WAN Ports1 (1Gbps)
LAN Ports4 (1Gbps)
USB Ports1× USB 2.0
Special Capabilities
Beamforming TechnologyYes
MU-MIMO TechnologyYes
Mesh SupportYes
Repeater ModeNo
Vendor-Specific TechnologyTp-Link OneMesh technology
Hardware Specifications
Processor1.5 GHz Quad-Core
Memory256MB + 1GB Flash
Dimension10.2 × 5.3 ×1.5 inc
Category Products Reviews TPLink WiFi Routers

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