Why going wireless


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Understanding Wireless Lan Networking And Long-range Wireless Lan Communication

Understanding wireless and wireless LANLocal Area Network, is a computer network -or
networking enable you to properly plan andpart thereof- that incorporates wireless
design the effective deployment of wirelessdevices. In a WLAN network, a conventional
networks be it home-networking or usingLAN set-up can be extended to include
outdoor long-range WLAN for rural internetwireless devices using an access point.
connectivity. Wireless networking allowsAlthough wireless networks can be completely
computers and peripherals to communicateindependent of conventional network, WLAN
using radio frequency (RF) transmissionsusually forms part of an existing wired
rather than over conventional networknetwork. Wireless Transmission ranges vary
cabling. Using wireless Ethernet adaptors,greatly and lowering the bandwidth will
any device capable of being used on a regularincrease the coverage area, a standard
computer network can be accessed over a802.11b or 802.11g device will typically have
wireless connection for task ranging froma range of about 30m indoor and up to 120m
file and printer sharing to multimedia andline-of-sight outdoors. The main reason for
internet access. Wireless Ethernet Technologythe variance between indoors and
is outlined by a set of standards called IEEEline-of-sight coverage is that walls and
802.11. Although other wireless technologiesother objects do impede the wireless signal.
and protocols exist, the term wireless isBecause wireless transmissions are actually
generally used in reference to the IEEElow frequency radio waves, they will pass
802.11 standards. The communication protocolsthrough walls and other solid matter
for wireless networking are defined by therelatively easy. As distance increases, the
Institute of Electrical Engineers (IEEE)throughput decreases. This is because lower
802.11 standard, which incorporates thesignal strength result in dropped packets and
802.11a, 802.11b and 802.11g protocolsresult in a general decrease in network
(although other standards are in progress).efficiency. Understanding the technology in
The most widely used of these is 802.11bwireless and wireless LAN/WAN networking
(Wireless-B), which is more reliable than theallows the planner the flexibility of using
faster 802.11a (Wireless-A) standard, and iswired and wireless networks. There are areas
more cost-effective to produce and operate asthat wired networks can not go owing to
well. Wireless-G or 802.11g, is a newerdistance, terrain or topography thus if the
protocol that is becoming more widely adoptedplanner has knowledge on wireless LAN
by vendors as it is capable of speeds up tonetworking, the simpler, faster and easy it
54Mbps rather than the 11Mbps of 802.11bis to deploy an effective wireless network.
devices. It is no longer rare to find devicesUnderstanding how wireless LAN works will
that support all three standards, butalso help you plan deployment of a rural
generally, Wireless-G is designed to bewireless internet access service. Wireless
backwards compatible with Wireless-B devices.LAN is a very cost-effective solution for
Thus Wireless-B and Wireless-A devices willmuch needed internet connectivity
not work with each other, and neither arerequirements in far, remote villages. WISP is
they compatible with Wireless-G devices. Somea good and potential business in remote
manufacturers offer models with dual-bandareas. Either you use commercial
(Wireless A & G/B) auto-switch mode for"off-the-shelf" WLAN gadget, tweak and
greater communication flexibility. Networkimprove its performance by using higher-gain
planners can plan their network deployment byoutdoor antenna or buy a true-outdoor
using a combination of Wireless-B,G or A.long-range Wireless LAN. For assured network
Wireless 802.11 standard utilizes theperformance, service-quality and less network
license-free radio frequency bands around thedowntime, we recommend using the latter. The
2.4GHz and/or 5GHz ranges. The 802.11b andgoal is to reach people yearning to start
802.11g protocols use the 2.4GHz band whereastheir own home-based business even in remote
802.11a uses the 5GHz band. Wireless-B is byregions thru cost-effective internet business
far the most popular standard, with the newerand long-range wireless communication
Wireless-G (802.11g) and Wireless-A (802.11a)solutions.
closing in fast. Wi-FI or Wireless Fidelity
is a certification program established by theThe author, Allan Amps is from the Telecom
Wi-Fi Alliance to ensure interoperability ofindustry and has passion and interest in
wireless devices. Originally, the term Wi-Firural, remote internet connectivity
was intended to be interchangeable withsolutions, wireless gadgets and internet
802.11b, but more recently it has broadenedhome-based business.
to cover any 802.11 network. WLAN or Wireless



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