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Boosts Speed
OFDMA (Orthogonal Frequency Division Multiple Access)
Beamforming: standard-based and universal
1024-QAM high data rate
20/40/80 MHz bandwidth
Power Supply
AC Input : 110V~240V(50~60Hz)
AC Input : 110V~240V(50~60Hz)
DC Output : 19 V with max. 1.75 A current
AiProtection
AiProtection Pro, • Router Security Assessment, • Malicious Site Blocking, • Two-Way IPS, • Infected Device Prevention and Blocking
• Router Security Assessment, • Malicious Site Blocking, • Two-Way IPS, • Infected Device Prevention and Blocking
Product Segment
AX1800 ultimate AX performance : 1201 Mbps+ 574 Mbps
AV1300 HomePlug AV2 MIMO : 1300 Mbps
AV1300 HomePlug AV2 MIMO : 1300 Mbps
Memory
256 MB Flash
512 MB RAM
Wireless
UTF-8 SSID, WiFi MAC Address Filter, • Maximum MAC Filters : Max 64 rules, Wireless Scheduler, Airtime Fairness, RADIUS Client, Universal Beamforming, Explicit Beamforming
UTF-8 SSID, WiFi MAC Address Filter, • Maximum MAC Filters : 64, Wireless Scheduler, Airtime Fairness, RADIUS Client, Universal Beamforming, Explicit Beamforming
Antenna
Internal antenna x 4
External antenna x 3
WAN
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP, Dual WAN, 3G / 4G LTE Dongle, 4G / 5G Auto Mobile Tethering, Port Forwarding, Port Triggering, DMZ, DDNS, PPTP, L2TP, IPSec, RTSP, H.323, SIP Passthrough
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP, Dual WAN, 3G / 4G LTE dongle, 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
Network Standard
IEEE 802.3z
IEEE 802.3ab
IEEE 1905.1
IEEE 1901
HomePlug AV2 MIMO
IPv6
IPv4
WiFi 6 (802.11ax)
WiFi 5 (802.11ac)
WiFi 4 (802.11n)
IEEE 802.11g
IEEE 802.11b
IEEE 802.11a
IEEE 802.3ab
IEEE 1905.1
IEEE 1901
HomePlug AV2 MIMO
IPv6
IPv4
WiFi 6 (802.11ax)
WiFi 5 (802.11ac)
WiFi 4 (802.11n)
IEEE 802.11g
IEEE 802.11b
IEEE 802.11a
IPv6
IPv4
WiFi 5 (802.11ac)
WiFi 4 (802.11n)
IEEE 802.11g
IEEE 802.11b
IEEE 802.11a
IPv4
WiFi 5 (802.11ac)
WiFi 4 (802.11n)
IEEE 802.11g
IEEE 802.11b
IEEE 802.11a
Package Content
‧Router (XP4)
‧RJ45 Ethernet cable
‧Power core
‧Quick start guide
‧Warranty Card
RT-AC66U Dual Band 3x3 802.11AC Gigibit Router
RJ-45 cable
Power adapter
Quick start guide
Warranty card
Product Dimensions
148x71x208 mm / 5.04 x 2.79 x 8.19 In
219 x 151 x 47 ~ mm (WxDxH) (Without Bezel)
Product Weight (g)
665g / 1.47lb
660 g
Processor
64bit 1.2 GHz quad-core processor
Traffic Control
Adaptive QoS, • Bandwidth Monitor, • Bandwidth Limiter, -- Maximum Bandwidth Limiter Rule : Max 32 rules, Traditional QoS, • Maximum Traditional QoS Rule : Max 32 rules, Traffic Monitor, • Real-time Traffic Monitor, • Wired Traffic Monitor, • Wireless Traffic Monitor, Traffic Analyzer, • Website History
Adaptive QoS, • Bandwidth 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 Analyzer, • Traffic Analysis Period : Daily, Weekly, Monthly, • Website History
AiMesh
AiMesh, • Primary AiMesh Router, • AiMesh Node
AiMesh, • Primary AiMesh Router, • AiMesh Node
Model Name
XP4(2-PK)
USB application
4G / 5G Auto Mobile Tethering, File System : FS_Tuxera_HFS+, FS_Tuxera_NTFS, FS_Tuxera_vFAT, FS_ext2, FS_ext3, FS_ext4, Safely Remove Disk, AiCloud, Download Master, AiDisk, Media Server, Time Machine, Samba Server, FTP Server, Shared Folder Privileges
File System : HFS+, NTFS, vFAT, ext2, ext3, ext4, HDD Hibernation, Safely Remove Disk, AiCloud, Download Master, AiDisk, Media Server, Time Machine, Samba Server, FTP Server, Shared Folder Privileges
Parental Control
"Allow you to block access to unwanted websites and apps.", Customized Internet Schedule, • Maximum Parental Control Profile : Max 16 rules, • Maximum Parental Control Content Filter Rule : Max 16 rules
"Allow you to block access to unwanted websites and apps.", Customized Internet Schedule
I/O Ports
RJ45 for Gigabit BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 2
USB 3.2 Gen 1 x 1
AC Power Jack with PLC x 1
RJ45 for 10/100/1000 BaseT for WAN x 1, RJ45 for 10/100/1000 BaseT for LAN x 4
USB 2.0 x 1
USB 3.0 x 1
LED Indicator
Power & Status Combo LED x 1
Power x 1
Wi-Fi x 2
WAN x 1
LAN x 4
Security
WPA3-Personal, WPA/WPA2-Personal, WPA/WPA2-Enterprise, WPS support, WPS, Let's Encrypt, SSH, Firewall, • Maximum Firewall Keyword Filter : Max 64 rules, • Maximum Firewall Network Service Filter : Max 32 rules, • Maximum Firewall URL Filter : Max 64 rules
AiProtection, 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
Buttons
WPS/PLC Combo Button, Reset Button
WPS Button, Reset Button, Power Button
Guest Network
Support Guest Network, • Maximum Guest Network Rule : Max 6 rules, Guest Network Connection Time Limit, Max 6 rules
"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
Operating Frequency
2.4G Hz / 5 GHz
2.4G Hz / 5 GHz
Remark
Content may vary in different regions and packages.
Administration
Configuration Backup and Restore, Diagnosis Tools, Feedback System, System Log
Configuration Backup and Restore, Diagnosis tools, Feedback System, System Log
Transmit / Receive
5GHz 3x3
2.4GHz 3x3
MIMO technology
2.4GHz 3x3
MIMO technology
WiFi Data Rate
WiFi 6 (802.11ax) (5GHz) : up to 1201 Mbps
WiFi 6 (802.11ax) (2.4GHz) : up to 574 Mbps
WiFi 5 (802.11ac) : up to 867 Mbps
-----------------------------------
WiFi 4 (802.11n) TurboQAM : up to 400 Mbps
WiFi 4 (802.11n) : up to 300 Mbps
802.11g : up to 54 Mbps
802.11b : up to 11 Mbps
802.11a : up to 54 Mbps, HomePlug AV2™ 1300Mbps
WiFi 6 (802.11ax) (2.4GHz) : up to 574 Mbps
WiFi 5 (802.11ac) : up to 867 Mbps
-----------------------------------
WiFi 4 (802.11n) TurboQAM : up to 400 Mbps
WiFi 4 (802.11n) : up to 300 Mbps
802.11g : up to 54 Mbps
802.11b : up to 11 Mbps
802.11a : up to 54 Mbps, HomePlug AV2™ 1300Mbps
WiFi 5 (802.11ac) : up to 1300 Mbps
WiFi 4 (802.11n) : up to 450 Mbps
802.11g : up to 54 Mbps
802.11b : up to 11 Mbps
802.11a : up to 54 Mbps
WiFi 4 (802.11n) : up to 450 Mbps
802.11g : up to 54 Mbps
802.11b : up to 11 Mbps
802.11a : up to 54 Mbps
LAN
DHCP Server, IGMP Snooping, IPTV, Manually Assign IP Address, • Maximum Manually Assign IP Address Rule : Max 64 rules, Wake on LAN (WOL)
DHCP Server, IGMP Snooping, IPTV, Manually Assign IP Address, • Maximum Manually Assign IP Address Rule : 64, Wake on LAN (WOL)
Operating Mode
Wireless router mode,Range extender mode,Access point mode,Media bridge mode
Accesspoint, AiMeshnode, Mediabridge, Repeater, Router
VPN
Instant Guard, 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
Router APP
APP: ASUS Router APP
- 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 device is restricted to indoor use only when operating in the 5150-5350 MHz frequency band in certain regions, including the EU, Asia-Pacific countries, Australia, and Canada. Outdoor use in this band may be prohibited or require regulatory approval. Check local regulations before deployment.
- 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.
- 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.
