It's not exactly news that our world still
even wireless. Many of our daily activities
even need a cable connection can now be done wirelessly!

The cell phone craze was probably the first revolution
apparently occurred during the night. Light
any way connected or related to your business
friends or family is a prerequisite, which was rapidly
meet. For many it is a necessitytheir
daily life.

Wireless computers, notebooks and laptops, may be only the second
wave in our struggle for a completely wireless world. The
can always connect to your company and / or loved
children is a revolution in the way we use computers and the Internet.

The ultra, versatile little notebook that will undoubtedly
plays an important leadership role in our wireless struggle to be constantly
connected. This is the "transfer" ofnotebook or laptop
computer that holds the most appeal and is the largest seller
point. And its popularity grows.

It is estimated that more than 42 million laptops
produced in 2005. The market for a laptop and
laptops is growing at a rate of 20% per year
According to Taiwanese notebook makers. It must
I know – they get 70% of these notebooks and their parts
for a big player like Dell, Hewlett-Packard andGateway.

But is portable and wireless communication devices,
decides to increase their popularity among the majority of users.

How is this wireless communication is established by
notebook or laptop you ask?

wireless notebooks used three standard wireless data
for data transfer. One, probably the most common
802.11b, also known as Wi-Fi, short for Wireless Fidelity.

802.11b Wi-Fi or wireless data transmissionmaximum
11 Mbps up to 150 feet. It uses the 2.4 spectrum and
even if it says 11 Mbps, you'll probably get about 4-6Mbps
actual use. But it is enough bandwidth for high-speed
Internet, gaming and file transfers more.

802.11a is another standard that uses the 5 GHz
So 8 channels instead of only three that are available with
802.11b. 'A' version also includes a larger transmission, with a maximum
to 54 Mbps

802.11g is a mix of other 'A' and 'B' – also
able, but with 54Mbps bandwidth to 2.4 GHz and is suitable for
with 802.11b devices. Some blocks, like the Fujitsu N6010,
a three-mode 802.11a/b/g wireless uses all three types!
The following technologies of wireless communications is 3G EV-DO! Sounds
as a robot starwars funny – but it is for
evolution-data improved. This newTechnology changes the way
and Internet use.

Verizon Wireless 3G EV-DO started the business in October
2003 and is expanding to more than 125 million U.S. consumers by the end
2005 With a download speed of 400-700 kbps and bursts up to 2 Mbps
3G has really given us wireless Internet this time. It is or will be
transforming the Internet into a real wireless system
cables or lines. It will be everywhere – there is no room forour biosphere
will be without the Internet very quickly.

Of course it should be noted that a group of computers can
from a wireless router and a server
for each computer. Also, many laptops and computers have
Bluetooth module that allows wireless communication between
all electronic devices – from mobile phones to computers
radio headphones.

But if you create awireless network or if you
laptop or notebook wireless in hotels and airports – Security
be a problem. Everyone within a distance, have the right equipment
and a bit 'ingenuity can access this wireless system. For large
companies or small house, a guarantee that
prevent unwanted visitors to terminate your access peaceful
universe.

Usually there are two basic methods of protecting wireless networksWEP
and MAC address filtering. MAC (Media Access Control) is the natural
address or unique hardware identifier given to each device on the network.
Then hand a list of addresses that can use or access
wireless networks.

The second filtering process is more secure, WEP or Wireless Encryption
The protocol requires a key between the user and then use this key to
encrypt and de-encrypt data transferred between the networkusers.

Many large hotel chains and other companies offer Wi-Fi
services as a convenience to its customers. These hot spots are
Wherever brilliant, even some gas stations. You can enter or leave
A password or key to these services.

But as telephone, radio or
sent are as safe as a wire connection. Keep this in
mind if privacy is a big concern for you. But notI do not want you to be
convenience, portability and practical your
wireless laptop or desktop computer.

It 'a wireless world after all.

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