IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IPv4, IPv6

AC1900 ultimate AC performance : 600+1300 Mbps

Large homes

802.11n : up to 450 Mbps
802.11n TurboQAM : up to 600 Mbps
802.11ac : up to 1300 Mbps

External antenna x 3

MIMO technology
2.4 GHz 3 x 3
5 GHz-1 3 x 3

128 MB Flash
256 MB RAM

2.4 GHz / 5 GHz

64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK, WPA-Enterprise , WPA2-Enterprise , WPS support

Firewall:SPI intrusion detection,DoS protection 
Access control:Parental control, Network service filter, URL filter, Port filter

UPnP, IGMP v1/v2/v3, DNS Proxy, DHCP, NTP Client, DDNS, Port Trigger, Universal Repeater, System Event Log

Internet connection type : Automatic IP, Static IP, PPPoE(MPPE supported), PPTP, L2TP
WAN Bridge support
Multicast Proxy support
Multicast Rate Setting support

RJ45 for 10/100/1000/Gigabits BaseT for LAN x 4, RJ45 for 10/100/1000/Gigabits BaseT for WAN x 1
USB 2.0 x 1
USB 3.0 x 1

WPS Button, Reset Button, Power Button, Wireless on/off Button

Airtime Fairness
Adaptive QoS
AiProtection
Parental Control
Guest Network : 2.4 GHz x 3, 5 GHz x 3
VPN server : IPSec Pass-Through, PPTP Pass-Through, L2TP Pass-Through, PPTP Server, OpenVPN Server
VPN client : PPTP client, L2TP client, OpenVPN client
Mac OS Backup
Enhanced media server (AiPlayer app compatible)
- Image : Jpeg
- Audio : mp3, wma, wav, pcm, mp4, lpcm, ogg
- Video : asf, avi, divx, mpeg, mpg, ts, vob, wmv, mkv, mov 
AiCloud personal cloud service
3G/4G data sharing
Printer Server
- Multifunctional printer support (Windows only)
- LPR protocol support
Download Master
- Support bt, nzb, http, ed2k
- Support encryption, DHT, PEX and magnet link
- Upload and download bandwidth control
- Download scheduling
AiDisk file server
- Samba and FTP server with account management
Dual WAN
IPTV support
Roaming Assist

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

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

Windows® 10 
Windows® 8.1 
Windows® 8 
Windows® 7 
Windows® Vista 
Windows® 2000 
Windows® ME
Windows® XP 
Windows® Server 2003
Windows® Server 2008
Mac OS X 10.1
Mac OS X 10.4
Mac OS X 10.5
Mac OS X 10.6
Mac OS X 10.7
Mac OS X 10.8
Mac OS X 
Linux Kernel (Support Ubuntu only)
Linux

220 x 83.3 x 160 ~ mm (WxDxH) 
(Without Bezel)

640 g

1 x RT-AC68U Wireless-AC1900 Dual Band Gigabit Router 
1 x RJ-45 cable
1 x Power adapter
1 x QSG
1 x Support CD(user manual and ultility)

Wireless router mode
Range extender mode
Access point mode
Media bridge mode