AiCloud : It consists of four elements: Cloud Disk, Smart Access, Smart Sync, and Router to Router Sync. Cloud Disk allows you to access the data stored on a USB hard drive attached to the router from anywhere you have Internet access. You can also stream media to Android and iOS devices. Smart Access lets you access your home network—and all the devices connected to your home network, even if those devices are asleep—from any PC, Android, or iOS device that has access to the Internet.
Data Rate - 1900 Mbps
Antenna - 3 external
Frequency- 2.4G, 5G
Encryption- 64/128-bit WEP, WPA/WPA2-PSK, WPA/WPA2-Enterprise, WPS
Support OS- Windows® 8, 7, Vista, XP, Server 2003, Server 2008, Mac OS X 10.1~10.8, Linux
multiple wireless SSIDs and secure VPN access
5 Gigabit Ethernet ports. Guest Network
PPTP VPN server
Access control: Parental control, Network service filter, URL filter, Port filter
For full spec details : RT-AC68U
Some of the following changes over the original firmware provided by Merlin :
LED control - put your Dark Knight in Stealth Mode by turning off all LEDs
WakeOnLan web interface (with user-entered preset targets)
User scripts executed at init, services startup, WAN up, firewall up and shutdown.
SSHD (through dropbear)
Saving your traffic history to disk (USB or JFFS)
Displaying monthly traffic history
Monitor your router's temperature (under Administration -> Performance Tuning)
Display active/tracked network connections
Allows tweaking TCP/UDP connection tracking timeouts
Various bugfixes: crash issues related to VPN, etc...
layer7 and cifs kernel modules added
Working on it.... :)