Wireless Networking: Do you Need It?

There has been so much hype about wirelessWherever there is an 802.11 wireless access point, a
networking that it is sometimes hard to get to thewireless networking-capable device can access that
important question: do you need it? To determinenetwork and, generally, the internet.
whether your notebook computer needs to haveDo You Need Wireless Networking in Your Notebook
wireless networking capabilities, you need toComputer?
understand what it is first.Whether you need wireless networking depends
WLANentirely on you. Wireless networking capability is
WLAN stands for Wireless Local Area Network oralways a wonderful feature to have in a notebook
Wireless LAN. Wireless network cards use the IEEEcomputer, but there are scenarios where wireless
802.11 standard of wireless transmission. There arenetworking is definitely necessary.
other wireless networking standards, such asIf you want to have a tidy office or home network,
Bluetooth, but the 802.11 standard is the preferredwireless networking is for you. Moreover, if there are
networking solution. The Wireless Network interfacemany users in your local network or if the number of
was developed originally for interfacing amongusers is expected to increase, a wireless router is not
computers connected through a local area network,limited by the number of Ethernet ports on the router.
but it is now also being used for Voice over InternetPlease note, however, that a wireless network
Protocol (VoIP) and internet access, just like theconnection is not as reliable as traditional Ethernet
standard Local Area Network interface.connections, and wireless connections are susceptible
A Wireless Networking environment has no need forto radio wave and electromagnetic interference.
complicated wiring to accommodate data sharing andIf you are a freelancer, a reporter, or in another
internet access. The wireless network uses one orposition where you frequently travel, Wireless
more Wireless Access Points or Wireless Routers toNetworking is invaluable. Wireless Networking is the
transmit the signal. An Access Point has an antennamost widely used form of public internet access all
and an Ethernet port, which must be connected to aover the world. With a wireless networking card, you
broadband modem for internet connectivity. Aare guaranteed an internet connection, as long as you
Wireless Router adds several more Ethernet ports tocan find a wireless hotspot.
allow a combination of wired and wireless connections.For interfacing with personal devices like PDAs and
The Access Point or Router acts as the radiocellular phones, Bluetooth is a more common option, but
frequency transmitter and receiver (radio frequencyWireless Networking is absolutely necessary for
electromagnetic waves are the medium through whichwireless internet connections.
data packets are sent and received). This AccessThis article may be republished freely as long as this
Point interfaces with devices (computers, PDAs, IPcopyright notice and box of resource links are included
Phones, and other Access Points) which use 802.11at the bottom.
wireless adapters.