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 450 Mbps
WiFi 5 (802.11ac) : up to 1300 Mbps

External antenna x 3

MIMO technology
2.4GHz 3x3
5GHz 3x3

2.4G Hz / 5 GHz

Accesspoint, AiMeshnode, Mediabridge, Repeater, Router

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

WPS Button, Reset Button, Power Button

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

AC Input : 110V~240V(50~60Hz)
DC Output : 19 V with max. 1.75 A current

RT-AC66U Dual Band 3x3 802.11AC Gigibit Router
RJ-45 cable
Power adapter
Quick start guide
Warranty card

660 g

219 x 151 x 47 ~ mm (WxDxH) (Without Bezel)

AiMesh
• Primary AiMesh Router
• AiMesh Node

"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

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

• Router Security Assessment
• Malicious Site Blocking
• Two-Way IPS
• Infected Device Prevention and Blocking

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

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

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

DHCP Server
IGMP Snooping
IPTV
Manually Assign IP Address
• Maximum Manually Assign IP Address Rule : 64
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 : 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

Configuration Backup and Restore
Diagnosis tools
Feedback System
System Log