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Black rectangular router with four fixed antennas lying flat on top

TP-Link

TP-Link Archer AX21 Wi-Fi 6 wireless router

SKU CH-FN11-FTCX9 MPN Archer AX21

Dual-band Wi-Fi 6 router delivering up to 1.8 Gbps across four gigabit LAN ports and one gigabit WAN port

  • StandardsIEEE 802.11ax/ac/n/a 5 GHz IEEE 802.11ax/n/b/g 2.4 GHz
  • WiFi GenerationWi-Fi 6
  • Wireless StandardIEEE 802.11a / IEEE 802.11ac / IEEE 802.11ax / IEEE 802.11b
  • SecuritySPI Firewall Access Control IP & MAC Binding Application Lay
  • WPAWPA, WPA2, WPA3, WPA/WPA2-Enterprise (802.1x)
  • WAN Ports1 x 10/100/1000M

Class AX1800

Options Archer AX21

  • Wi-Fi 6 delivers up to 1.8 Gbps combined wireless speed
  • Four fixed high-performance antennas with Beamforming focus signal toward devices
  • OFDMA technology serves multiple devices simultaneously for greater capacity
  • Quad-core 1.5 GHz CPU powers low-latency routing and VPN
  • WPA3 and SPI firewall protect the network with modern encryption

AX1800 Dual-Band Wi-Fi 6 Router

The TP-Link Archer AX21 is a dual-band wireless router built on the Wi-Fi 6 standard. It delivers combined wireless rates up to 1.8 Gbps across the 2.4 GHz and 5 GHz bands. Four fixed high-performance antennas and beamforming technology focus signal strength toward connected devices. A 1.5 GHz quad-core CPU handles traffic processing for lower latency.

Households upgrading to Wi-Fi 6 for smoother 4K

This router suits homes that want the capacity and efficiency gains of 802.11ax without moving to a higher-tier AX specification. It supports WPA3 encryption and VPN pass-through for PPTP and OpenVPN. Buyers who need multi-gigabit WAN ports, additional LAN ports beyond four, or tri-band operation should look at other models.

Check your modem and ISP plan before ordering

The WAN port is a single Gigabit Ethernet interface, so the maximum wired internet throughput is 1000 Mbps. Ensure your cable or DSL modem provides an Ethernet handoff compatible with that port. A JavaScript-enabled browser is required for the web-based setup, and an active internet subscription is necessary for online access.

Pontos fortes

  • Wi-Fi 6 delivers up to 1.8 Gbps combined wireless speed
  • Four fixed high-performance antennas with Beamforming focus signal toward devices
  • OFDMA technology serves multiple devices simultaneously for greater capacity
  • Quad-core 1.5 GHz CPU powers low-latency routing and VPN
  • WPA3 and SPI firewall protect the network with modern encryption

Especificações

BrandTP-Link
ModelArcher AX21
StandardsIEEE 802.11ax/ac/n/a 5 GHz
IEEE 802.11ax/n/b/g 2.4 GHz
WiFi GenerationWi-Fi 6
Wireless StandardIEEE 802.11a / IEEE 802.11ac / IEEE 802.11ax / IEEE 802.11b / IEEE 802.11g / IEEE 802.11n
SecuritySPI Firewall
Access Control
IP & MAC Binding
Application Layer Gateway
WPAWPA, WPA2, WPA3, WPA/WPA2-Enterprise (802.1x)
WAN Ports1 x 10/100/1000M
LAN Ports4 x 10/100/1000M
ButtonsWPS/Wi-Fi Button
Power On/Off Button
LED On/Off Button
Reset Button
Wireless Data Rates5 GHz: 1201 Mbps (802.11ax)
2.4 GHz: 574 Mbps (802.11ax)
Frequency Band2.4 GHz / 5 GHz
Antenna4 x Fixed High-Performance Antennas
Transmitted PowerCE:
<20dBm(2.4 GHz)
<23dBm(5.15 GHz~5.25 GHz)
FCC:
<30dBm(2.4 GHz & 5.15 GHz~5.825 GHz)
Operation ModeAccess Point Mode / Wireless Router Mode
VPN supportPPTP, OpenVPN
Power Supply12 V, 1.5 A
System RequirementsInternet Explorer 11+, Firefox 12.0+, Chrome 20.0+, Safari 4.0+, or other JavaScript-enabled browser
Cable or DSL Modem (if needed)
Subscription with an internet service provider (for internet access)
Dimensions10.20" x 5.30" x 1.50"
TemperatureOperating Temperature: 0°C~40°C (32°F ~104°F)
Storage Temperature: -40°C~70°C (-40°F ~158°F)
HumidityOperating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing
Package ContentsWi-Fi Router Archer AX21
Power Adapter
RJ45 Ethernet Cable
Quick Installation Guide
Peso de envio1.36 kg
Dimensões da embalagem330 × 244 × 76 mm

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Perguntas sobre este artigo

What type of internet connection do I need before this router can provide Wi-Fi?

A cable or DSL modem and an active internet service provider subscription are required for internet access.

Will my existing 802.11n devices connect to the 2.4 GHz band on this router?

Yes, the 2.4 GHz radio supports IEEE 802.11n so those devices will connect at their rated speeds.

How can I verify the router is operating correctly after setup?

The LED indicators show power, internet, Wi-Fi and port status; a solid internet LED confirms the WAN link is active.

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