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7
Wireless Basics (continued)
Standards-Based Technology
The DWL-G520 Wireless PCI Adapter utilizes the new 802.11g standard.
The IEEE 802.11g standard is an extension of the 802.11b standard. It increases the
data rate up to 54 Mbps within the 2.4GHz band, utilizing OFDM technology.
This means that in most environments, within the specified range of this device, you will
be able to transfer large files quickly or even watch a movie in MPEG format over your
network without noticeable delays. This technology works by transmitting high-speed
digital data over a radio wave utilizing OFDM (Orthogonal Frequency Division Multiplexing)
technology. OFDM works by splitting the radio signal into multiple smaller sub-signals
that are then transmitted simultaneously at different frequencies to the receiver. OFDM
reduces the amount of crosstalk (interference) in signal transmissions. The D-Link DWL-
G520 will automatically sense the best possible connection speed to ensure the greatest
speed and range possible.
802.11g offers the most advanced network security features available today, including:
WPA , 802.1x, TKIP, AES and Pre-Shared Key mode. These security features are
explained in more detail in the Introduction and the Features section of this manual.
The DWL-G520 is backwards compatible with 802.11b devices. This means that if you
have an existing 802.11b network, the devices in that network will be compatible with
802.11g devices at speeds up to 11Mbps in the 2.4GHz range.
The DWL-G520 is compatible with 802.11g and 802.11b wireless products, which include:
D-Link Air DWL-650,D-Link AirPlus DWL-650+,
D-Link AirPlus Xtreme G DWL-G650
2.4GHz Wireless Cardbus Adapter used with laptop computers
D-Link Air DWL-520, D-Link AirPlus DWL-520+
2.4GHz Wireless PCI cards used with desktop computers
D-Link AirPlus DWL-900AP+, D-Link AirPlus Xtreme G DWL-2000AP
2.4GHz Wireless Access Points
D-Link AirPlus DI-614+, DI-714P+
2.4GHz Wireless Routers
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