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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)
IPv4
IPv6
Product Segment
AX1800 ultimate AX performance
WiFi Data Rate
802.11a : up to 54 Mbps
802.11b : up to 11 Mbps
802.11g : up to 54 Mbps
WiFi 6 (802.11ax) (2.4GHz) : up to 574 Mbps
WiFi 6 (802.11ax) (5GHz) : up to 1201 Mbps
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
Antenna
WiFi: 2 x external fixed antenna LTE: 1 x external fixed antenna, 1 x internal antenna
External antenna x 4
Connectivity Technology
LTE: Downlink 300 Mbps / Uplink 50 Mbps HSPA+: Downlink 42 Mbps / Uplink 11 Mbps 4G FDD-LTE: 1 /3 /5 /7 /8 /20 /28 4G TDD-LTE: 38 /40 /41 3G UMTS: 1 /3 /5 /8
Transmit / Receive
MIMO technology
2.4GHz 4x4
5GHz 2x2
Processor
74Kc MIPS processor with 64 KB I-Cache and 32 KB D-Cache, targeted to operate at up to 775 MHz
Memory
128 MB Flash 512 MB RAM
32 MB Flash, 128 MB RAM
Boosts Speed
Beamforming: 802.11ac Explicit transmit beamforming (TxBF) and Legacy implicit TxBF for both beamformer and beamformee 256-QAM high data rate 20/40/80 MHz bandwidth
Operating Frequency
2.4 GHz / 5 GHz
2.4G Hz / 5 GHz
Operating Mode
Modem Router,Access Point
Accesspoint, Mediabridge, Router
I/O Ports
1 x Gigabit WAN port, 4 x Gigabit LAN ports, 1 x Nano SIM tray slot
RJ45 for Gigabits BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 4 USB 2.0 x 1
Buttons
Power, Reset, WPS
WPS Button, Reset Button, Power Button
LED Indicator
Power x 1 WiFi x 2 WAN x 1 Mobile WAN connection x 1 Mobile WAN signal x 3
Power x 1 Wi-Fi x 2 WAN x 1 USB x 1 LAN x 4
Package Content
4G-AX56 Quick Start Guide Warranty Card RJ45 Cable Power Adapter
RT-AC57U V3 Gigabit Wi-Fi Router RJ-45 Cable Quick Start Guide Power Adapter Warranty Card
Power Supply
AC Input : 100V~240V(50~60Hz) DC Output : 12 V with max. 1.5 A current
Product Weight (g)
513
348g
Product Dimensions
242 x 100 x 325
192x125 x 30 ~ mm (WxDxH) (Without Bezel)
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
Support Guest Network
Guest Network Connection Time Limit
"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
AiMesh
AiMesh
• Primary AiMesh Router
• AiMesh Node
Security
WPA/WAP2-Enterprise,WPA/WPA2-Personal,WPA2-Enterprise,WPA2-Personal,WPA2/WPA3-Personal,WPA3-Persona
WPS
SSH
Firewall
32
64
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
AiProtection
AiProtection Classic
• Router Security Assessment
• Malicious Site Blocking
VPN
VPN Client L2TP
VPN Client Open VPN
VPN Client PPTP
VPN Server Open VPN
VPN Server PPTP
VPN Client L2TP
VPN Client Open VPN
VPN Client PPTP
VPN Server Open VPN
VPN Server PPTP
Traffic Control
• Bandwidth Limiter
Traditional QoS
Real-time traffic monitor
Wired 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 : Mobile WAN, Ethernet WAN
Dual WAN
Port Forwarding
DMZ
DDNS
NAT Passthrough : PPTP, L2TP, IPSec, RTSP, H.323, SIP Passthrough, PPPoE relay
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP
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
LAN
DHCP Server
IGMP Snooping
IPTV
Manually Assign IP Address
Maximum Manually Assign IP Address Rule : 64
Wake on LAN (WOL)
DHCP Server
IGMP Snooping
IPTV
Manually Assign IP Address
Wake on LAN (WOL)
Wireless
MU-MIMO
UTF-8 SSID
WiFi MAC Address Filter
Wireless Scheduler
Airtime Fairness
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
User Interface
WEB: ASUSWRT
APP: ASUS Router APP
Administration
SMS Message
Configuration Backup and Restore
Diagnosis Tools
Feedback System
System Log
Configuration Backup and Restore
Diagnosis tools
Feedback System
System Log
USB application
File System : FAT16, FAT32, NT3G, ext2, ext3
Safely Remove Disk
AiDisk
Media Server
Samba Server
FTP Server
Shared Folder Privileges
    • 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.
    • 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.