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Operating Frequency

2.4G Hz / 5 GHz
2.4 GHz
5 GHz

2.4G Hz / 5 GHz

Product Weight (g)

390 g

533 g

Buttons

WPS Button, Reset Button, Power Switch

WPS Button, Reset Button, Power Button

Guest Network

"The Guest Network provides Internet connection for guests but restricts access to your local network."

"The Guest Network provides Internet connection for guests but restricts access to your local network.", • Maximum Guest Network Rule : 2.4GHz x3, 5GHz x3, Guest Network Connection Time Limit, Guest Network Encryption : Open system, WPA/WPA2-Personal

Traffic Control

• Bandwidth Limiter
Traditional QoS
Traffic Monitor
• Real-time Traffic Monitor
• Wired Traffic Monitor
• Wireless Traffic Monitor

• Bandwidth Limiter, -- Maximum Bandwidth Limiter Rule : 32, Traditional QoS, -- Maximum Traditional QoS Rule : 32, Traffic Monitor, • Real-time Traffic Monitor, • Wired Traffic Monitor, • Wireless Traffic Monitor, • Traffic Analysis Period : Daily, Weekly, Monthly

WiFi Data Rate

802.11a : up to 54 Mbps
802.11b : up to 11 Mbps
802.11g : up to 54 Mbps
WiFi 4 (802.11n) : up to 300 Mbps
WiFi 5 (802.11ac) : up to 867 Mbps
WiFi 6 (802.11ax) (2.4GHz) : up to 574 Mbps
WiFi 6 (802.11ax) (5GHz) : up to 1201 Mbps

Processor

Dual-core (4 VPE)

Transmit / Receive

2.4GHz 2x2
5GHz 2x2

5GHz 4x4
2.4GHz 3x3

Wireless

UTF-8 SSID
WiFi MAC Address Filter
Wireless Scheduler
Airtime Fairness
RADIUS Client
Universal Beamforming
Explicit Beamforming

UTF-8 SSID, WiFi MAC Address Filter, • Maximum MAC Filters : 64, Wireless Scheduler, RADIUS Client, Explicit Beamforming

Antenna

External antenna x 4

External antenna x 3 Internal antenna x 1

VPN

VPN Client L2TP
VPN Client Open VPN
VPN Client PPTP
VPN Server IPSec
VPN Server Open VPN
VPN Server PPTP

VPN Client L2TP, VPN Client Open VPN, VPN Client PPTP, VPN Server Open VPN, VPN Server PPTP

LAN

DHCP Server
IGMP Snooping
IPTV
Manually Assign IP Address
Wake on LAN (WOL)

DHCP Server, IGMP Snooping, IPTV, Manually Assign IP Address, • Maximum Manually Assign IP Address Rule : 64, Wake on LAN (WOL)

WiFi 5 (802.11ac)
WiFi 4 (802.11n)
IEEE 802.11g
IEEE 802.11b
IEEE 802.11a

Administration

Configuration Backup and Restore
Diagnosis tools
Feedback System
System Log

Configuration Backup and Restore, Diagnosis tools, Feedback System, System Log

Memory

128 MB Flash
256 MB RAM

Operating Mode

Access Point, Media Bridge, Repeater, Router
Wireless Router Mode
AiMesh Node Mode
Access Point Mode
Media Bridge Mode
Repeater Mode

Accesspoint, Router

LED Indicator

Power x 1
2.4G x 1
5G x 1
LAN x 1
WAN x 1

Power x 1 LAN x 4 WAN x 1 Wi-Fi x 2

Package Content

RT-AX1800S
RJ45 x1
Adapter x1
QSG x1
Warranty Card x1

1 x RT-AC2400 Dual Band Wireless-AC2400 Gigabit Router 1 x RJ-45 cable 1 x Power adapter 1 x QSG 1 x Warranty card

AiMesh

AiMesh
• Primary AiMesh Router
• AiMesh Node

Security

Open system, WPA/WPA2-Personal, WPA/WPA2-Enterprise, WPA3-Personal
WPS
Let's Encrypt
SSH
Firewall

Open system, WPA/WPA2-Personal, WPA/WPA2-Enterprise, WPS, SSH, Firewall, • Maximum Firewall Keyword Filter : 64, • Maximum Firewall Network Service Filter : 32, • Maximum Firewall URL Filter : 64

Parental Control

Customized Internet Schedule

"Allow you to block access to unwanted websites and apps.", Customized Internet Schedule

Product Segment

AX1800 ultimate AX performance : 1201 Mbps+ 574 Mbps

I/O Ports

RJ45 for Gigabits BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 4

RJ45 for 10/100/1000/Gigabits BaseT for WAN x 1, RJ45 for 10/100/1000/Gigabits BaseT for LAN x 4 USB 3.1 Gen 1 x 1

AiProtection

• Malicious Site Blocking
• Infected Device Prevention and Blocking
AiProtection Classic

Power Supply

AC Input : 100V~240V(50~60Hz)
DC Output : 12 V with max. 1.5A current

AC Input : 110V~240V(50~60Hz) DC Output : 12 V with max. 2.5 A current

Product Dimensions

230 x 134 x 56 mm

220 x 87 x 158 ~ mm (WxDxH)

WAN

Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP
Dual WAN
Port forwarding
DMZ
DDNS

Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP, Port forwarding, • Maximum Port Forwarding Rule : 64, Port triggering, • Maximum Port Triggering Rule : 32, DMZ, DDNS, NAT Passthrough : PPTP, L2TP, IPSec, RTSP, H.323, SIP Passthrough,PPPoE relay

USB application

File System : FAT16, FAT32, NT3G, ext2, ext3, HDD Hibernation, Safely Remove Disk, AiDisk, Media Server, Samba Server, FTP Server, Shared Folder Privileges

Boosts Speed

OFDMA (Orthogonal Frequency Division Multiple Access)
Beamforming: standard-based and universal
1024-QAM high data rate
20/40/80 MHz bandwidth

- The actual transfer speed of USB 3.0, 3.1, 3.2, and/or Type-C will vary depending on many factors including the processing speed of the host device, file attributes and other factors related to system configuration and your operating environment.
- Actual data throughput and WiFi coverage will vary from network conditions and environmental factors, including the volume of network traffic, building material and construction, and network overhead, result in lower actual data throughput and wireless coverage.
- Quoted network speeds and bandwidth based on current IEEE 802.11ac/802.11ax specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac/802.11ax compatible for best results.
- WPA/WPA2 enterprise is only available on single router, is not available under AiMesh mode.
- When traditional QoS is enabled, there will be limitations due to the actual Internet service bandwidth and different environment, and there may be a risk of speed reduction.
- Due to the different power supply requirements on USB external hard disk and 4G/5G Modem device, to ensure that the external device can be used stably, if the USB external device exceeds the standard USB 2.0 (5V/500mA) and USB 3.1 Gen 1 (5V/900mA) power supply requirements, you need to use it with an independent external power supply.
- If you use the product in conjunction with a third party service, you are responsible for complying with the third party provider's terms and conditions and privacy policy and are also at the risk of such use. ASUS does not provide support or guarantee continuous integration support for products that are not part of ASUS.
- For models with Time machine support, starting with macOS 26 (Tahoe), Time Machine no longer supports creating new backups on USB-connected storage devices. Existing Time Machine drives that were previously configured remain compatible and can continue to be used for backup and restoration.