IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
WiFi 4 (802.11n)
WiFi 5 (802.11ac)
IPv4
IPv6

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

External antenna x 4

MIMO technology
2.4GHz 2x2
5GHz 2x2

74Kc MIPS processor with 64 KB I-Cache and 32 KB D-Cache, targeted to operate at up to 775 MHz

16 MB Flash, 128 MB RAM

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

2.4G Hz / 5 GHz

Accesspoint, Mediabridge, Router

RJ45 for Gigabits BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 4
USB 2.0 x 1

WPS Button, Reset Button, Power Button

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

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

RT-AC57U Gigabit Wi-Fi Router
RJ-45 Cable
Quick Start Guide
Power Adapter
Warranty Card

348g

125 x 192 x 30mm?~ mm (WxDxH)

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

"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

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

• 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

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

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

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

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

Configuration Backup and Restore
Diagnosis tools
Feedback System
System Log