D-Link DWL-G650M Manual page 7

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Wireless Basics

DWL-G650M User's Manual

Standards-Based Technology

The DWL-G650M Wireless Cardbus Adapter utilizes the 802.11g standard.

The IEEE 802.11g standard is an extension of the 802.11b standard. It increases the

data rate up to 54Mbps 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-G650M 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 section of this manual.

The DWL-G650M 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. Also based on

the IEEE 802.11b standard, the DWL-G650M is interoperable with existing compatible

2.4GHz wireless technology with data transfer speeds of up to 11Mbps.

D-Link Systems, Inc.

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