
TP-Link Archer AX21 (2020) review
The TP-Link Archer AX21 (AX21) router released in 2020. It is powered by Broadcom BCM6755 @ 1.5 GHz chipset, 256 MB RAM and 128 MB flash. The AX1800 router is compatible with IEEE 802.11a/b/g/n/ac/ax standards, and the maximum speed that you can get with Archer AX21 is 574 + 1201 Mbps.
The Guest network is a useful feature of the Archer AX21 router that creates a separate network for guests. It has 1 x USB 2.0 port(s).
The Archer AX21 router has 1 x 10/100/1000 Mbps WAN and 4 x 10/100/1000 Mbps LAN ports.
Table of contents:
TP-Link Archer AX21 (AX21) specifications
- Brand
- TP-Link
- Name
- Archer AX21
- Type
- AX21
- Rating
- Launch
- 2020
Body
- Dimensions
- 260.2 x 135 x 38.6 mm
- Weight
- 558 g
System
The router's memory (RAM) cannot be expanded. By default, the router's flash memory is used to store the TP-Link operating system.
- Chipset
- Broadcom BCM6755 @ 1.5 GHz
- RAM
- 256 MB
- Flash
- 128 MB
- OS
- TP-Link
- Power supply
- 12 V / 1.5 A
Network
The latest firmware supports IPv6 protocol that provides an identification and location system for computers on networks and routes traffic across the Internet. The Archer AX21 comes with OpenVPN support. OpenVPN is a full-featured SSL VPN solution which implements OSI layer 2 or 3 secure network extension using the industry standard SSL/TLS protocol.
- Protocols
- IPv4
IPv6 - LAN ports
- 4 x 10/100/1000 Mbps
- WAN ports
- 1 x 10/100/1000 Mbps
- Mobile network
- no
- VPN support
- PPTP
OpenVPN
Wireless
The Archer AX21 is compatible with 2.4 GHz Wi-Fi networks. 2.4 GHz is the most widely used frequency and in some cases may be overcrowded. The Archer AX21 supports the 5 GHz band. The 5 GHz band offers better noise immunity, less interference, and more available channels.
- Antennas
- 4 x 4 dBi
fixed - 2.4 GHz
- yes
- 5 GHz
- yes
- 6 GHz
- no
- 60 GHz
- no
- Standards
- IEEE 802.11a/b/g/n/ac/ax
- Class
- AX1800
- Speed
- 574 + 1201 Mbps
- Transmit power
- 30 dBm
- Security
- WEP
WPA
WPA2
WPS - Guest network
- yes
Connectivity
You can attach a compatible USB printer to the TP-Link Archer AX21 device. It has built-in NAS functionality.
- USB ports
- 1 x USB 2.0
- Print server
- yes
- File server
- yes
Administration
The default IP addresses of the TP-Link Archer AX21 device is 192.168.0.1. These address allows you to access the router's console login page.
- Default IP
- 192.168.0.1
- Default username
- admin
- Default password
- admin
The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the TP-Link Archer AX21, then don’t hesite and signal the problem to us.
TP-Link Archer AX21 (AX21) pictures

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