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Wireless Networks
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Article 5: Costs of Going Wireless
What makes the luxury of
wireless communications more practical today
than just a few years ago is largely its new
affordability.
But much of the savings promised by wireless
networking are expressed abstractly. That is,
savings are based on not doing things, like not
drilling holes in walls. These are not
necessarily line-item expenses that can be
deleted from current budgets. In many cases
they’re potential expenses that can be avoided.
Were WLAN systems pricier, these abstract
savings would not be as evident or as compelling
to small business.
WLAN hardware prices have dropped significantly
and are expected to continue declining, though
newer standards will always be priced at the top
of the scale. Today you can pay $200 or less for
an access point and about $100 or less for
Network Interface Cards (NICs) for each
networked device. That means two computers can
be linked to each other for about $200, or $400
if you add an access point to increase their
range. Not too long ago you couldn’t buy a
single adapter card for that amount.
Nevertheless, wired Ethernet systems still are
considerably less expensive.
If you want to protect your WLAN from
professional hackers, it’s advisable to spend a
little extra on security, such as security
software or firewalls. Features like built-in
virtual private networking (VPNs), advanced
security features and multiple frequency
capability add to the cost. Some manufacturers
sell access points with built-in VPN technology.
Others offer sophisticated indoor positioning
software to the detect location of wireless
users.
Most wireless network systems should be easy
enough for a typical computer user to set up.
However, you may want to invest in the expertise
of a consultant to step you through the finer
points, such as the optimal number and placement
of access points to maximize throughput and
minimize signal interference.
Even though the necessary gear for wireless
networks remains more costly than inexpensive
Ethernet wires, productivity savings alone make
WLANs a wise bottom-line choice for businesses
with an eye to the long-term.
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