D-Link DWR-921 User Manual

DWR-921 4G LTE Router
User Manual
Configuring via Web-based Interface
62
On the LTE Modem / Modem 1 / USSD page, you can send a USSD command for the SIM
card.
8
USSD (Unstructured Supplementary Service Data) is a technology which provides real-time
message exchange between a subscriber and a mobile operator's special application. USSD
commands are often used to check the SIM card balance, receive data on the rate plan or service
packets, etc.
Figure 138. The LTE Modem / Modem 1 / USSD page.
In the Number field, enter a USSD command and click the SEND button. After a while, the
results will be displayed in the Response field.
8 Contact your operator to get information on USSD commands and their functions.
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D-Link DWR-921 Specifications

General

VPN support	L2TP/PPTP/IPSEC
Ethernet LAN	Yes
Cabling technology	10/100Base-T(X)
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Wi-Fi band	No
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standard	Wi-Fi 4 (802.11n)
WLAN data transfer rate (max)	150 Mbit/s
Ethernet LAN (RJ-45) ports	4
DHCP client	-
Antennas quantity	2
Security algorithms	128-bit WEP, 64-bit WEP, WPA, WPA2
Certification	CE, Wi-Fi
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Product color	Black, White
LED indicators	3G, LAN, Power, WAN, WLAN

Weight and Dimensions

Depth	111.5 mm
Width	190 mm
Height	23.5 mm
Weight	500 g