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1
D-Link DWR-921 User Manual
Section 1 - Product Overview
• D-Link DWR-921 4G LTE Router
• Power Adapter
• Manual and Warranty on CD
• 2 3G/4G Antennas
Note:
Using a power supply with a different voltage rating than the one included with the DWR-921 will cause damage and void the warranty for
this product.
System Requirements
• A compatible (U)SIM card with service.*
• Computer with Windows, Mac OS, or Linux-based operating system with an installed Ethernet adapter
• Java-enabled browser such as Internet Explorer 6, Safari 4.0, Chrome 20.0, or Firefox 7 or above (for configuration)
*
Subject to services and service terms available from your carrier.
Product Overview
Package Contents
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D-Link DWR-921 User Manual
Section 1 - Product Overview
Introduction
The D-Link 4G LTE Router allows users to access worldwide mobile broadband networks, and share them with a number of
wired and wireless devices. Once connected, users can transfer data, stream media, and send SMS messages. Simply insert
your UMTS/HSUPA SIM card, and share your 3G/4G Internet connection through a secure 802.11n wireless network or using
any of the four 10/100 Ethernet ports.
The DWR-921 keeps your wireless network safe with WPA/WPA2 wireless encryption, preventing unauthorized users from
accessing your network. The DWR-921 utilizes dual-active firewalls (SPI and NAT) to prevent potential attacks across the
Internet, and includes MAC address filtering to control which clients can access your network, and what content they can
access.
The DWR-921 4G LTE Router can be installed quickly and easily almost anywhere. This router is great for situations where an
impromptu wireless network is required, or wherever conventional network access is unavailable. The DWR-921 can even be
installed in buses, trains, or boats, allowing passengers to access the Internet while commuting.
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D-Link DWR-921 User Manual
Section 1 - Product Overview
Hardware Overview
Rear Panel
Port
Function
LAN Ethernet Ports
For connection to a network device such as a desktop or notebook computer.
WAN Ethernet Port
For connection to a DSL/Cable modem or router
SIM
Accepts a standard (U)SIM card for 3G/4G connectivity.
Power
Connects to the included power adapter.
Power Switch
Turns the device on or off.
LAN Ports
Power Connector
WAN Port
SIM Card Slot
Power Switch
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D-Link DWR-921 User Manual
Section 1 - Product Overview
Hardware Overview
Front Panel
Signal Strength
Reset Button
WPS Button
Button Name
Function
Reset
Press this button with an unfolded paperclip to reset the device.
WPS
Press this button to initiate a new WPS connection. Refer to “Wi-Fi
Protected Setup” on page 29 for more details.
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D-Link DWR-921 User Manual
Section 1 - Product Overview
LED Name
Function
Signal Strength
Blinking Red:
No SIM card/signal, or unverified PIN code
Solid Red:
Signal strength is at level one (weak)
Solid Amber:
Signal strength is at level two or three (medium)
Solid Green:
Signal strength is at level four or five (strong)
Status
Blinking Green:
Device is powered on and working
WAN
Solid Green:
Ethernet connection has been established
Blinking Green:
Data is being transferred
LAN 1-4
Solid Green:
Ethernet connection has been established
Blinking Green:
Data is being transferred
3G
Solid Green:
UMTS/HSDPA/HSUPA connection has been established
Blinking Green:
Data is being transferred via 3G
4G
Solid Green:
LTE connection has been established
Blinking Green:
Data is being transferred via 4G
SMS
Solid Green:
SMS storage is full
Blinking Green:
There is an unread SMS message
WLAN
Solid Green:
WLAN is active and available
Blinking Green:
Data is being transferred over the WLAN
Hardware Overview
LEDs
Status
3G
4G
SMS
WLAN
WAN
LAN1
LAN2
LAN3
LAN4
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