See also What are the differences between the JRS Eco router models?

JRS Eco 100 D1 on Asus - wireless router with reduced radiation JRS Eco 100 D2 on Asus - wireless router with reduced radiation
Full Eco Zero Emission stand-by mode
90% reduced beacon pulse frequency
Fine adjustment of range with 1 milliwatt step size
Wifi time-switch - Set times when wifi automatically switches off 100%, e.g. at night
On/off switch for wifi transmitter - cabled LAN ports keep functioning
Detachable antennas, option for inserting extra attenuators -
Suitable for wall mounting -
Dual band (extra channels at 5 Gigahertz)
AC wifi for super high speed
Max. throughput speed on 2.4 GHz wifi network measured with Speedtest.net 150 Mbps 150 Mbps
Max. throughput speed on 5 GHz wifi network measured with Speedtest.net 400 Mbps 400 Mbps
Speed for normal internet usage (browsing websites) +++ +++
Range and number of external antennas +++ (3) +++ (3)
Asus router type RT-AC66U B1 RT-AC68U
Dimensions (mm) 218 x 148 x 45 220 x 83 x 160
Firewall and WPA2-security with password
Gigabit ethernet LAN ports
Two USB ports for sharing USB storage and print server
VPN client and server
Guest networks