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Model Name
CT8 (B-1-PK)
CT8 (B-2-PK)
CT8 (W-1-PK)
CT8 (W-2-PK)
Network Standard
IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
WiFi 4 (802.11n)
WiFi 5 (802.11ac)
IPv4
IPv6
IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
WiFi 4 (802.11n)
WiFi 5 (802.11ac)
IPv4
IPv6
AX technology
No
No
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 150 Mbps
WiFi 4 (802.11n) TurboQAM : up to 150 Mbps
WiFi 5 (802.11ac) : up to 433 Mbps
WiFi 5 (802.11ac) : up to 867 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 450 Mbps
WiFi 5 (802.11ac) : up to 1300 Mbps
Antenna
Internal antenna x 6
External antenna x 3
Transmit/Receive
2.4GHz 2x2
5GHz-1 2x2
5GHz-2 4x4
MIMO technology
2.4GHz 3x3
5GHz 3x3
Operating Frequency
2.4GHz, 5 GHz-1, 5 GHz-2
2.4G Hz / 5 GHz
Memory
128 MB Flash 256 MB RAM
Ports
RJ45 for Gigabits BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 3 USB 3.1 Gen 1 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
Button
WPS Button, Reset Button, Power Button
WPS Button, Reset Button, Power Button
LED Indicator
Power x 1
Power x 1 Wi-Fi x 2 WAN x 1 LAN x 4
Power Supply
AC Input : 110V~240V(50~60Hz) DC Output : 19 V with max. 1.75 A current
AC Input : 110V~240V(50~60Hz) DC Output : 19 V with max. 1.75 A current
Package content
ZenWiFi AC RJ45 Ethernet Cable Power Adapter 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 Weight (g)
730
660 g
AiMesh
AiMesh
Primary AiMesh router
AiMesh node
AiMesh
Primary AiMesh router
AiMesh node
Router APP
ASUS Router APP
ASUS Router APP
AiProtection
AiProtection Pro
Router Security Assessment
Malicious site blocking
Two-Way IPS
Infected Device Prevention and Blocking
AiProtection Pro
AiProtection
Malicious site blocking
Two-Way IPS
Infected Device Prevention and Blocking
Parental Control
Parental Control
Parental Control Customized Internet schedule
Maximum Parental Control profile : 16
Maximum Parental Control content filter rule : 16
Parental Control
Parental Control Customized Internet schedule
Alexa
Support Alexa skill
Traffic Control
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
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
IFTTT
Support IFTTT
Wireless
IPv6
Wi-Fi Encryption : WPA2-PSK, WPA-PSK, WPA-Enterprise , WPA2-Enterprise , WPS support
UTF-8 SSID
Guest Network
Maximum Guest Network rule : 9
Guest Network Connection time limit
Guest Network Encryption : 9
WPS
WiFi MAC address filter
Maximum MAC filters : 64
Wireless scheduler
Airtime fairness
RADIUS Client
Universal beamforming
Explicit beamforming
IPv6
Wi-Fi Encryption : Open system, WPA/WPA2-Personal, WPA/WPA2-Enterprise
UTF-8 SSID
Guest Network
Maximum Guest Network rule : 2.4GHz x3, 5GHz x3
Guest Network Connection time limit
Guest Network Encryption : Open system, WPA/WPA2-Personal
WPS
WiFi MAC address filter
Maximum MAC filters : 64
Wireless scheduler
Airtime fairness
RADIUS Client
Universal beamforming
Explicit beamforming
WAN
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP
3G/4G LTE dongle
Android tethering
Port forwarding
Port triggering
DMZ
DDNS
NAT Passthrough : PPTP, L2TP, IPSec, RTSP, H.323, SIP Passthrough
Let's Encrypt
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP
Dual WAN
3G/4G LTE dongle
Android tethering
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
DHCP Server
IPTV
Manually assign IP address
Maximum manually assign IP address rule : 64
VPN
VPN Client L2TP
VPN Client OVPN
VPN Client PPTP
VPN Server IPSec
VPN Server OVPN
VPN Server PPTP
VPN Client L2TP
VPN Client OVPN
VPN Client PPTP
VPN Server OVPN
VPN Server PPTP
USB application
File System : FS_Tuxe ra_HFS +, FS_Tuxe ra_NTFS , FS_Tuxe ra_vFAT , FS_ext2, FS_ext3, FS_ext4
HDD hibernation
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
3G/4G LTE dongle
HDD hibernation
Safely Remove disk
AiCloud
Download master
AiDisk
Media Server
Time Machine
Samba Server
FTP Server
Shared Folder privileges
Administration
Operating mode : Wireless router mode Range extender mode Access point mode Media bridge mode
Free OS upgrade
Firewall
Maximum Firewall keyword filter : 64
Maximum Firewall network service filter : 32
Maximum Firewall URL filter : 64
Wake on LAN (WOL)
SSH
Configuration backup and restore
Diagnosis tools
Feedback system
System log
Operating mode : Accesspoint, AiMeshnode, Mediabridge, Repeater, Router
Operating system : ASUSWRT
Free OS upgrade
Firewall
Maximum Firewall keyword filter : 64
Maximum Firewall network service filter : 32
Maximum Firewall URL filter : 64
SSH
Wake on LAN (WOL)
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.
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