automatic
point of
data capture
sale
Bridging the wireless
OPINION
gap – wireless connectivity
from point-to-point
By Keith Robinson, wireless & mobility director for Avnet Technology Solutions EMEA.
he use of 802.11 wireless Reach has always been an issue; in College. The college was using Telco
T
within the ‘four walls’ is the outside environment new buildings LES circuits that delivered 2Mbps
becoming commonplace as and structures are erected, the foliage of throughput but was in need of
more and more warehouses, on trees grows and the weather more bandwidth and faster
manufacturing plants and changes almost daily – all of these are connections between its main
retailers look to leverage the benefits obstacles to wireless communications campus in Weymouth and its satellite
of real time communications. and limit the distance achievable. campuses in Dorchester, Colwell
Traditional wireless infrastructure and Portland. The furthest satellite
manufacturers have focused within campus at Portland is some 8 miles
these ‘four walls’ as moving outside Major challenges away and to bridge this site the
is a totally different ball game as the In response to this, Motorola has wireless needed to reach over a large
landscape keeps changing and launched a new range of wireless stretch of open sea. Conventional
environment factors have an impact bridges that have overcome the major PTP wireless platforms were unable
on communications capabilities. challenges and limitations faced by to complete the links required without
traditional wireless bridging. The new investing in large towers and heavy
For an organisation with multiple wi4 PTP 500 Series of point-to-point duty antennas.
locations, connectivity between sites has (PTP) wireless Ethernet bridges deliver
traditionally been supplied via a public high performance non-line-of-sight The five sites were connected by
ADSL service, or a dedicated analogue (NLOS) connectivity at an attractive Motorola 400 Series PTP wireless
or digital leased line. Connecting multiple price point, opening up a whole host Ethernet bridges with integrated
sites via wireless generally requires of exciting new applications. antennas. A staging point was set
direct line-of-sight (LOS) between up at the main campus through which
wireless bridges to work efficiently. PTP is ideal for deployments that require all the other sites were connected.
secure, high-performance NLOS No towers or large antennae were
backhaul or broadband connectivity required as the units were installed
over multiple sites. Motorola’s PTP 500 on TV mast style poles. At either
Series can deliver carrier grade availability end of each PTP connection, the
in obstructed, long-distance and harsh PTP400 Series interfaced with a
weather environments operating in the router and an Ethernet switch. The
5.4 and 5.8 GHz bands at Ethernet solution was quick to install and
data rates of up to 105 Mbps and over offered ease of use, which was
distances up to 155 miles (250 km). important as the network needed
to be maintained by the college’s
An example of how this is working in IT staff who were not wireless
practice can be seen at Weymouth experts. >>
Keith Robinson: “We are very excited by the opportunity that point-to-point offers and have
Motorola certified PTP wireless engineers available to support resellers with training and
pre- and post-sales support for this new technology.”
30 IT RESELLER – JUNE 2008
www.itrportal.com
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