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Apple Airport Express Base Station

Apple AirPort Extreme

Asus RT-AC66U

Asus RT-AC68UF

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User rating

Connectivity
Communication mode	Full-Duplex	N/A	Full-Duplex	N/A
Number of LAN ports	1	3	4	4
Number of WAN ports	1	1	1	1
USB	yes	yes	yes	yes
Total USB ports	1	1	2	2
Number of USB 2.0 ports	1	1	2	1
Number of USB 3.0/3.1 ports	0	0	0	1
Connectivity technology	N/A	N/A	Wireless Wired	Wired Wireless
Number of USB 3.1 ports	N/A	N/A	0	N/A

Design
Colour of product	White	White	Black Grey White	Black
Active cooling (fan)	no	yes	no	N/A

Dimensions
Width	3.86 in	3.86 in	8.15 in	8.66 in
Height	0.91 in	6.61 in	1.4 in	6.3 in
Depth	3.86 in	3.86 in	5.86 in	3.28 in
Weight	0.53 lb	2.09 lb	0.99 lb	1.41 lb
Number of units	1	1	1	1
Rack-mount design	no	no	no	N/A

Communication
Management interface	SNMP	Web/network	Telnet Web/network	N/A
6to4	yes	yes	yes	N/A
Communication protocol	IPv6	IPv6 Wireless Multimedia Extensions	IPv6 Multicast Quality of Service Virtual LAN Wireless Multimedia Extensions	IPv6
Data link layer	Ethernet Fast Ethernet IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.11n	Ethernet Fast Ethernet Gigabit Ethernet IEEE 802.11a IEEE 802.11ac IEEE 802.11b IEEE 802.11g IEEE 802.11n	Ethernet Fast Ethernet Gigabit Ethernet IEEE 802.11a IEEE 802.11ac IEEE 802.11b IEEE 802.11g IEEE 802.11n	N/A
Number of simultaneous connections	50	32360	30069	N/A
Wireless standards	IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.1x IEEE 802.3 IEEE 802.3ab IEEE 802.3u IEEE 802.11n	IEEE 802.11a IEEE 802.11ac IEEE 802.11b IEEE 802.11g IEEE 802.1x IEEE 802.3 IEEE 802.3ab IEEE 802.3u IEEE 802.11n	IEEE 802.11a IEEE 802.11ac IEEE 802.11b IEEE 802.11g IEEE 802.1Q IEEE 802.3 IEEE 802.3ab IEEE 802.3u IEEE 802.3x IEEE 802.11n	IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.11n IEEE 802.11ac
Mobile broadband support	no	no	yes	N/A
VoIP (SIP)	yes	no	no	N/A
Wireless network	yes	yes	yes	yes
2.4GHz wireless network	yes	yes	yes	yes
5GHz wireless network	yes	yes	yes	yes
External antenna	no	no	yes	N/A
MIMO	yes	no	yes	yes
Total wireless data transfer rate	300.0 Mbps	1300.0 Mbps	1750.0 Mbps	N/A
Wireless security	WEP WPA-Enterprise WPA-PSK WPA WPA2-Enterprise WPA2-PSK WPA2	WEP WPA WPA2-Enterprise WPA2 WPA3	TKIP WEP WPA-Enterprise WPA-PSK WPA WPA2-Enterprise WPA2-PSK WPA2 WPS	N/A
Jumbo frames support	N/A	no	yes	N/A
Throughput WAN-LAN	N/A	325.5 Mbps	937.0 Mbps	N/A
2.4GHz data transfer rate	N/A	450.0 Mbps	450.0 Mbps	N/A
5GHz data transfer rate	N/A	1300.0 Mbps	1300.0 Mbps	N/A
Frequency band	N/A	N/A	2.4 GHz 5 GHz	2.4 GHz 5 GHz
Network / transport Protocol	N/A	N/A	PPTP L2TP NTP PPPoE FTP DDNS	L2TP PPTP
Type of mobile support	N/A	N/A	USB modem	N/A
Mobile HSUPA	N/A	N/A	yes	N/A
Mobile HSDPA (turbo-3G)	N/A	N/A	yes	N/A
Mobile 4G (LTE)	N/A	N/A	yes	N/A
Mobile 3G	N/A	N/A	yes	N/A
Mobile 2G (GSM)	N/A	N/A	yes	N/A
Detachable antenna	N/A	N/A	yes	N/A
Beamforming	N/A	N/A	yes	yes
MU-MIMO	N/A	N/A	no	N/A
Number of antennas	N/A	N/A	3	3