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Network Standard
IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
WiFi 4 (802.11n)
WiFi 5 (802.11ac)
WiFi 6 (802.11ax)
IPv4
IPv6
IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
WiFi 4 (802.11n)
WiFi 5 (802.11ac)
Product Segment
AX1800 ultimate AX performance : 1201 Mbps+ 574 Mbps
AC2400 ultimate AC performance : 600+1733 Mbps
Antenna
External antenna x 4
External antenna x 3 Internal antenna x 1
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
Transmit / Receive
2.4GHz 2x2
5GHz 2x2
2.4GHz 3x3
5GHz 4x4
Operating Frequency
2.4GHz / 5GHz
2.4G Hz / 5 GHz
Operating Mode
Access Point, AiMesh Node, Media Bridge, Repeater, Router
Accesspoint, Router
Processor
1.5GHz quad-core processor
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
Memory
128 MB Flash 256 MB RAM
Boosts Speed
OFDMA (Orthogonal Frequency Division Multiple Access) Beamforming: standard-based and universal 1024-QAM high data rate 20/40/80 MHz bandwidth
Buttons
WPS Button, Reset Button, Power Switch
WPS Button, Reset Button, Power Button
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
Power Supply
AC Input : 110V~240V(50~60Hz) DC Output : 12 V with max. 1 A current
AC Input : 110V~240V(50~60Hz) DC Output : 12 V with max. 2.5 A current
Package Content
RT-AX55 RJ45 x1 Adapter x1 QSG x1 Warranty Card x1
1 x RT-AC85P Dual Band Wireless-AC2400 Gigabit Router 1 x RJ-45 cable 1 x Power adapter 1 x QSG 1 x Warranty card
Product Weight (g)
374g
533 g
Product Dimensions
230 x 134 x 56 mm (WxDxH)
235 x 145 x 210mm
220 x 87 x 158 ~ mm (WxDxH)
Parental Control
"Allow you to block access to unwanted websites and apps."
Customized Internet Schedule
"Allow you to block access to unwanted websites and apps."
Customized Internet Schedule
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
Security
Open system, WPA/WPA2/WPA3-Personal, WPA/WPA2-Enterprise
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
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
AiMesh
AiMesh
• Primary AiMesh Router
• AiMesh Node
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
WAN
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP
Dual WAN
Port triggering
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
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)
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
AiProtection
• Malicious Site Blocking
• Infected Device Prevention and Blocking
USB application
File System : FAT16, FAT32, NT3G, ext2, ext3
HDD Hibernation
Safely Remove Disk
AiDisk
Media Server
Samba Server
FTP Server
Shared Folder Privileges
Administration
Configuration Backup and Restore
Diagnosis tools
Feedback System
System Log
Configuration Backup and Restore
Diagnosis tools
Feedback System
System Log
    • 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 specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac-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.
    • 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.