D-Link DWR-921 4G/LTE Mobile Broadband Router

WAN connection
Ethernet WAN
SIM card slot Whether the device features a SIM card slot.

Wireless LAN features
Wi-Fi band The frequency bands the product features.
Top Wi-Fi standard Connection of this device is done via Wi-Fi in a high standard.	Wi-Fi 4 (802.11n)
WLAN data transfer rate (max)	150 Mbit/s
Wi-Fi standards The type of wireless local area network (LAN). It can be ad-hoc, where units in a network communicate peer-to-peer, or Infrastructure, where units communicate with each other via an access point A LAN interconnects computers in a small area e.g. home, school or office.	802.11b,802.11g,Wi-Fi 4 (802.11n)

Network
Ethernet LAN An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Ethernet LAN interface type The characteristics of the Ethernet LAN interface.	Fast Ethernet
Ethernet LAN data rates The different speed levels of the Ethernet LAN connection.	10,100 Mbit/s
Cabling technology Type of cable technology performance.	10/100Base-T(X)
Networking standards The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.	IEEE 802.11b,IEEE 802.11g,IEEE 802.11n,IEEE 802.3,IEEE 802.3u
VPN support	L2TP/PPTP/IPSEC

Mobile network
3G Third generation of mobile telecommunications technology, 3G finds application in wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV.
4G Fourth generation of mobile phone mobile communication technology standards. A 4G system provides mobile ultra-broadband Internet access, for example to laptops with USB wireless modems, to smartphones, and to other mobile devices. Conceivable applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing, 3D television, and cloud computing.

Ports & interfaces
Ethernet LAN (RJ-45) ports Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.	4
DC-in jack The socket/plug where the DC electricity supply connects to the device.

Security
Security algorithms Security algorithms are used to provide authentication, cipher key generation, integrity and radio link privacy to users on mobile networks. The security algorithms supported are the ones that can be used with this product.	128-bit WEP,64-bit WEP,WPA,WPA2
Firewall security Part of a computer system or network which is designed to block unauthorized access while permitting outward communication.	NAT, SPI
Stateful Packet Inspection (SPI)
Network address translation (NAT)

Design
Product colour The colour e.g. red, blue, green, black, white.	Black,White
LED indicators	3G,LAN,Power,WAN,WLAN

Antenna
Antenna type Type of antenna, also known an aerial, e.g. external, internal.	external
Antennas quantity	2
Detachable antenna(s)

Features
Certification	CE, Wi-Fi

Operational conditions
Operating temperature (T-T) The minimum and maximum temperatures at which the product can be safely operated.	0 - 40 °C
Operating relative humidity (H-H)	10 - 90%

Weight & dimensions
Width The measurement or extent of something from side to side.	190 mm
Depth The distance from the front to the back of something.	111.5 mm
Height The measurement of the product from head to foot or from base to top.	23.5 mm
Weight Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.	500 g

Packaging data
Manual
Quick start guide Instructions, either online, as a computer program or in paper form, to allow you to set up and start using the product quickly.

Other features
Mobile network connection
WLAN data transfer rates supported	150 Mbit/s
Rack mounting The type of mounting that can position devices in a shelving system (rack).
xDSL connection