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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 802.11aIEEE 802.11bIEEE 802.11gWiFi 4 (802.11n)WiFi 5 (802.11ac)IPv4IPv6
IEEE 802.11aIEEE 802.11bIEEE 802.11gWiFi 4 (802.11n)WiFi 5 (802.11ac)IPv4IPv6
AX technology
No
No
Data Rate
802.11a : up to 54 Mbps802.11b : up to 11 Mbps802.11g : up to 54 MbpsWiFi 4 (802.11n) : up to 150 MbpsWiFi 4 (802.11n) TurboQAM : up to 150 MbpsWiFi 5 (802.11ac) : up to 433 MbpsWiFi 5 (802.11ac) : up to 867 Mbps
802.11a : up to 54 Mbps802.11b : up to 11 Mbps802.11g : up to 54 MbpsWiFi 4 (802.11n) : up to 450 MbpsWiFi 5 (802.11ac) : up to 1300 Mbps
Antenna
Internal antenna x 6
External antenna x 3
Transmit/Receive
2.4GHz 2x25GHz-1 2x25GHz-2 4x4
MIMO technology2.4GHz 3x35GHz 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
AiMeshPrimary AiMesh routerAiMesh node
AiMeshPrimary AiMesh routerAiMesh node
Router APP
ASUS Router APP
ASUS Router APP
AiProtection
AiProtection ProRouter Security AssessmentMalicious site blockingTwo-Way IPSInfected Device Prevention and Blocking
AiProtection ProAiProtectionMalicious site blockingTwo-Way IPSInfected Device Prevention and Blocking
Parental Control
Parental ControlParental Control Customized Internet scheduleMaximum Parental Control profile : 16Maximum Parental Control content filter rule : 16
Parental ControlParental Control Customized Internet schedule
Alexa
Support Alexa skill
Traffic Control
Adaptive QoSBandwidth MonitorBandwidth limiterMaximum Bandwidth limiter rule : 32Traditional QoSMaximum Traditional QoS rule : 32Traffic MonitorReal-time traffic monitorWired Traffic MonitorWireless Traffic MonitorTraffic AnalyzerWebsite history
Adaptive QoSBandwidth MonitorBandwidth limiterMaximum Bandwidth limiter rule : 32Traditional QoSMaximum Traditional QoS rule : 32Traffic MonitorReal-time traffic monitorWired Traffic MonitorWireless Traffic MonitorTraffic AnalyzerTraffic analysis period : Daily, Weekly, MonthlyWebsite history
IFTTT
Support IFTTT
Wireless
IPv6Wi-Fi Encryption : WPA2-PSK, WPA-PSK, WPA-Enterprise , WPA2-Enterprise , WPS supportUTF-8 SSIDGuest NetworkMaximum Guest Network rule : 9Guest Network Connection time limitGuest Network Encryption : 9WPSWiFi MAC address filterMaximum MAC filters : 64Wireless schedulerAirtime fairnessRADIUS ClientUniversal beamformingExplicit beamforming
IPv6Wi-Fi Encryption : Open system, WPA/WPA2-Personal, WPA/WPA2-EnterpriseUTF-8 SSIDGuest NetworkMaximum Guest Network rule : 2.4GHz x3, 5GHz x3Guest Network Connection time limitGuest Network Encryption : Open system, WPA/WPA2-PersonalWPSWiFi MAC address filterMaximum MAC filters : 64Wireless schedulerAirtime fairnessRADIUS ClientUniversal beamformingExplicit beamforming
WAN
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IP3G/4G LTE dongleAndroid tetheringPort forwardingPort triggeringDMZDDNSNAT Passthrough : PPTP, L2TP, IPSec, RTSP, H.323, SIP PassthroughLet's Encrypt
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IPDual WAN3G/4G LTE dongleAndroid tetheringPort forwardingMaximum port forwarding rule : 64Port triggeringMaximum port triggering rule : 32DMZDDNSNAT Passthrough : PPTP, L2TP, IPSec, RTSP, H.323, SIP Passthrough,PPPoE relay
LAN
DHCP ServerIGMP snoopingIPTVManually assign IP addressMaximum manually assign IP address rule : 64
DHCP ServerIPTVManually assign IP addressMaximum manually assign IP address rule : 64
VPN
VPN Client L2TPVPN Client OVPNVPN Client PPTPVPN Server IPSecVPN Server OVPNVPN Server PPTP
VPN Client L2TPVPN Client OVPNVPN Client PPTPVPN Server OVPNVPN Server PPTP
USB application
File System : FS_Tuxe
ra_HFS
+,
FS_Tuxe
ra_NTFS
,
FS_Tuxe
ra_vFAT
,
FS_ext2,
FS_ext3,
FS_ext4HDD hibernationSafely Remove diskAiCloudDownload masterAiDiskMedia ServerTime MachineSamba ServerFTP ServerShared Folder privileges
File System : HFS+, NTFS, vFAT, ext2, ext3, ext43G/4G LTE dongleHDD hibernationSafely Remove diskAiCloudDownload masterAiDiskMedia ServerTime MachineSamba ServerFTP ServerShared Folder privileges
Administration
Operating mode : Wireless router mode
Range extender mode
Access point mode
Media bridge modeFree OS upgradeFirewallMaximum Firewall keyword filter : 64Maximum Firewall network service filter : 32Maximum Firewall URL filter : 64Wake on LAN (WOL)SSHConfiguration backup and restoreDiagnosis toolsFeedback systemSystem log
Operating mode : Accesspoint, AiMeshnode, Mediabridge, Repeater, RouterOperating system : ASUSWRTFree OS upgradeFirewallMaximum Firewall keyword filter : 64Maximum Firewall network service filter : 32Maximum Firewall URL filter : 64SSHWake on LAN (WOL)Configuration backup and restoreDiagnosis toolsFeedback systemSystem 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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