Tenda AC21 User Manual

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12.4 Time settings
To access the configuration page, log in to the web UI of the router, and choose System Settings >
Time Settings.
You can change the time settings on this page. The functioning of functions based on time requires
an accurate system time. The system time of the router can be synchronized with the internet or
set manually. By default it is synchronized with the internet.
12.4.1 Sync system time with the internet time
Under this mode, the router will automatically sync its time with the internet time when it is
connected to the internet. You can also choose the time zone to be synchronized.
12.4.2 Set the time manually
When the system time is set to Manual, you can enter a desired time or sync the system time of
the router with the device that is configuring the router. Besides, you need to correct it every time
after you reboot the router in order to ensure the accuracy of system time.

Tenda AC21 Specifications

General

USB port	No
DC-in jack	Yes
Connectivity technology	Wireless
Ethernet LAN (RJ-45) ports	3
Product type	Tabletop router
Product color	Black
LED indicators	LAN, System, WAN, WLAN, WPS
Wi-Fi band	Dual-band (2.4 GHz / 5 GHz)
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
WLAN data transfer rate (max)	2033 Mbit/s
WLAN data transfer rate (first band)	300 Mbit/s
WLAN data transfer rate (second band)	1733 Mbit/s
Certification	CE/FCC/RoHS
Processor cores	2
Processor frequency	1000 MHz
VPN support	IPsec, L2TP, PPTP
Networking standards	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Transmit power	20/23 dBmW
Antennas quantity	6
Antenna gain level (max)	6 dBi
Cables included	LAN (RJ-45)
Output current	1.5 A
Output voltage	12 V
AC input voltage	100 - 240 V
Power source type	AC
AC input frequency	50 - 60 Hz
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 90 %
Security algorithms	WPA, WPA-PSK, WPA2, WPA2-PSK
Harmonized System (HS) code	85176990

Weight and Dimensions

Depth	150.6 mm
Width	231.3 mm
Height	39.6 mm