Wireless FAQ
What is a Wireless LAN?
Wireless LANs provide all the functionality of wired LANs, without the need for
physical connections (wires). Data is modulated onto a radio frequency carrier and
transmitted through the ether. Typical bit-rates are 11 Mbps and 54 Mbps, although
in practice data throughput is half of this. Wireless LANs can be formed simply by
equipping PC's with wireless NICs. If connectivity to a wired LAN is required, an
Access Point (AP) is used as a bridging device. AP's are typically located close to the
center of the wireless client population.
What are the advantages of Wireless LANs?
a. Mobility:
Wireless LAN systems can provide LAN users with access to real-time information
anywhere in their organization. This mobility supports productivity and service
opportunities not possible with wired networks.
b. Installation Speed and Simplicity:
Installing a wireless LAN system can be fast and easy and can eliminate the need to
pull cable through walls and ceilings.
c. Installation Flexibility:
Wireless technology allows the network to go where wires cannot go.
d. Reduced Cost-of-Ownership:
While the initial investment required for wireless LAN hardware can be higher than
the cost of wired LAN hardware, overall installation expenses and life-cycle costs can
be significantly lower. Long-term cost benefits are greatest in dynamic environments
requiring frequent moves and changes.
e. Scalability:
Wireless LAN systems can be configured in a variety of topologies to meet the needs
