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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)WiFi 6 (802.11ax)IPv4IPv6
IEEE 802.11aIEEE 802.11bIEEE 802.11gWiFi 4 (802.11n)WiFi 5 (802.11ac)IPv4IPv6
Product Segment
AX1800 ultimate AX performance : 1201 Mbps+ 574 Mbps
AX technology
Yes
No
Data Rate
802.11a : up to 54 Mbps802.11b : up to 11 Mbps802.11g : up to 54 MbpsWiFi 4 (802.11n) : up to 300 MbpsWiFi 5 (802.11ac) : up to 867 MbpsWiFi 6 (802.11ax) (2.4GHz) : up to 574 MbpsWiFi 6 (802.11ax) (5GHz) : up to 1201 Mbps
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
Antenna
External antenna x 4
Internal antenna x 6
Transmit/Receive
2.4GHz 2x25GHz 2x2
2.4GHz 2x25GHz-1 2x25GHz-2 4x4
Memory
128 MB Flash
256 MB RAM
128 MB Flash
256 MB RAM
Processor
1.5GHz quad-core processor
Operating Frequency
2.4GHz / 5GHz
2.4GHz, 5 GHz-1, 5 GHz-2
Boosts speed
OFDMA (Orthogonal Frequency Division Multiple Access)
Beamforming: standard-based and universal
1024-QAM high data rate
20/40/80 MHz bandwidth
Ports
RJ45 for Gigabits BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 4
RJ45 for Gigabits BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 3
USB 3.1 Gen 1 x 1
Button
WPS Button, Reset Button, Power Switch
WPS Button, Reset Button, Power Button
LED Indicator
Power x 1
2.4G x 1
5G x 1
LAN x 1
WAN x 1
Power x 1
Power Supply
AC Input : 110V~240V(50~60Hz)
DC Output : 12 V with max. 1 A current
AC Input : 110V~240V(50~60Hz)
DC Output : 19 V with max. 1.75 A current
Package content
RT-AX55
RJ45 x1
Adapter x1
QSG x1
Warranty Card x1
ZenWiFi AC
RJ45 Ethernet Cable
Power Adapter
Quick Start Guide
Warranty Card
Product Weight (g)
374g
730
AiMesh
AiMeshPrimary AiMesh routerAiMesh node
AiMeshPrimary AiMesh routerAiMesh node
Router APP
ASUS Router APP
ASUS Router APP
Alexa
Support Alexa skill
Support Alexa skill
IFTTT
Support IFTTT
AiProtection
AiProtection ClassicMalicious site blockingInfected Device Prevention and Blocking
AiProtection ProRouter Security AssessmentMalicious site blockingTwo-Way IPSInfected Device Prevention and Blocking
Parental Control
Parental ControlParental Control Customized Internet schedule
Parental ControlParental Control Customized Internet scheduleMaximum Parental Control profile : 16Maximum Parental Control content filter rule : 16
Traffic Control
Bandwidth limiterTraditional QoSTraffic MonitorReal-time traffic monitorWired Traffic MonitorWireless Traffic Monitor
Adaptive QoSBandwidth MonitorBandwidth limiterMaximum Bandwidth limiter rule : 32Traditional QoSMaximum Traditional QoS rule : 32Traffic MonitorReal-time traffic monitorWired Traffic MonitorWireless Traffic MonitorTraffic AnalyzerWebsite history
Wireless
IPv6Wi-Fi Encryption : Open system, WPA/WPA2/WPA3-Personal, WPA/WPA2-EnterpriseUTF-8 SSIDGuest NetworkWPSWiFi MAC address filterWireless schedulerAirtime fairnessRADIUS ClientUniversal beamformingExplicit beamforming
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
WAN
Internet connection Type : PPPoE, PPTP, L2TP, Automatic IP, Static IPDual WANPort triggeringDMZDDNSLet's Encrypt
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
LAN
DHCP ServerIPTVManually assign IP address
DHCP ServerIGMP snoopingIPTVManually 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 IPSecVPN 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
Administration
Operating mode : Access Point, AiMesh Node, Media Bridge, Repeater, RouterOperating system : ASUSWRTFree OS upgradeFirewallSSHWake on LAN (WOL)Configuration backup and restoreDiagnosis toolsFeedback systemSystem log
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
- 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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