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D-Link DWR-921 User Manual

D-Link DWR-921
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DWR-921 4G LTE Router
User Manual
Configuring via Web-based Interface
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On the System / Firmware Update page, you can update the firmware of the router and
configure the automatic check for updates of the router's firmware.
!
Update the firmware only when the router is connected to your PC via a wired
connection.
Figure 171. The System / Firmware Update page.
The current version of the router's firmware is displayed in the Current firmware version field.
By default, the automatic check for the router's firmware updates is enabled. If the Access point,
Repeater, or Client mode was selected in the Initial Configuration Wizard and the Static value is
selected from the Mode of local IP address assignment list on the Connections Setup /
LAN page, the Gateway IP address field should also be filled in on order to realize automatic
check.
If a firmware update is available, a notification will be displayed in the top right corner of the page.
To disable the automatic check for firmware updates, in the Remote Update section, move the
Check for updates automatically switch to the left and click the APPLY SETTINGS button.
To enable the automatic check for firmware updates, in the Remote Update section, move the
Check for updates automatically switch to the right. In the Interval field, specify the time
period (in seconds) between checks or leave the value specified by default (43200).
Page 224 of 255

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D-Link DWR-921 Specifications

General IconGeneral
VPN supportL2TP/PPTP/IPSEC
Ethernet LANYes
Cabling technology10/100Base-T(X)
Networking standardsIEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Ethernet LAN data rates10, 100 Mbit/s
Ethernet LAN interface typeFast Ethernet
Wi-Fi bandNo
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standardWi-Fi 4 (802.11n)
WLAN data transfer rate (max)150 Mbit/s
Ethernet LAN (RJ-45) ports4
DHCP client-
Antennas quantity2
Security algorithms128-bit WEP, 64-bit WEP, WPA, WPA2
CertificationCE, Wi-Fi
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 90 %
Product colorBlack, White
LED indicators3G, LAN, Power, WAN, WLAN
Weight and Dimensions IconWeight and Dimensions
Depth111.5 mm
Width190 mm
Height23.5 mm
Weight500 g

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