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

Design
Colour of product	Black	Black Blue	Black Blue	Black
Active cooling (fan)	N/A	no	no	no

Dimensions
Width	8.66 in	4.76 in	9.69 in	9.68 in
Height	6.3 in	1.02 in	2.04 in	2.04 in
Depth	3.28 in	2.95 in	7.64 in	7.63 in
Weight	1.41 lb	1.59 lb	1.76 lb	1.76 lb
Number of units	1	1	1	1
Rack-mount design	N/A	no	no	N/A

Communication
Frequency band	2.4 GHz 5 GHz	2.4 GHz 5 GHz	2.4 GHz 5 GHz	2.4 GHz 5 GHz
Communication protocol	IPv6	IPv6 Quality of Service Wireless Multimedia Extensions	Quality of Service Virtual LAN Wireless Multimedia Extensions	Wireless Multimedia Extensions
Network / transport Protocol	L2TP PPTP	PPTP	N/A	PPTP IPSec
Wireless standards	IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.11n IEEE 802.11ac	IEEE 802.11a IEEE 802.11ac IEEE 802.11b IEEE 802.11g IEEE 802.3ab IEEE 802.3u IEEE 802.11n	IEEE 802.11a IEEE 802.11ac IEEE 802.11b IEEE 802.11g IEEE 802.3ab IEEE 802.3u IEEE 802.11n	IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.3ab IEEE 802.3u IEEE 802.11n
Wireless network	yes	yes	yes	yes
2.4GHz wireless network	yes	yes	yes	yes
5GHz wireless network	yes	yes	yes	yes
MIMO	yes	yes	yes	yes
Beamforming	yes	yes	yes	yes
Number of antennas	3	4	4	4
Management interface	N/A	Web/network	Web/network	N/A
6to4	N/A	no	no	N/A
Data link layer	N/A	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	Ethernet Fast Ethernet Gigabit Ethernet IEEE 802.11a IEEE 802.11ac IEEE 802.11b IEEE 802.11g IEEE 802.11n
Jumbo frames support	N/A	no	no	no
Mobile broadband support	N/A	no	no	no
Throughput WAN-LAN	N/A	809.0 Mbps	1082.0 Mbps	N/A
VoIP (SIP)	N/A	no	no	no
2.4GHz data transfer rate	N/A	600.0 Mbps	600.0 Mbps	600.0 Mbps
5GHz data transfer rate	N/A	1300.0 Mbps	2600.0 Mbps	2600.0 Mbps
External antenna	N/A	yes	yes	yes
Detachable antenna	N/A	yes	yes	N/A
MU-MIMO	N/A	no	yes	yes
Total wireless data transfer rate	N/A	1900.0 Mbps	3200.0 Mbps	3200.0 Mbps
Wireless security	N/A	WEP WPA-Enterprise WPA-PSK WPA WPA2-Enterprise WPA2-PSK WPA2 WPS	WEP WPA-Enterprise WPA-PSK WPA WPA2-Enterprise WPA2-PSK WPA2 WPS	WEP WPA WPA2

Memory
Included flash memory	128.0 MB	128.0 MB	256.0 MB	256.0 MB
Included RAM	256.0 MB	512.0 MB	512.0 MB	512.0 MB
Maximum flash memory	N/A	128.0 MB	256.0 MB	N/A
Maximum RAM	N/A	512.0 MB	512.0 MB	N/A