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the vendors have to offer
is a list of some of the vendors offering WLAN solutions
and a brief description of some of their products.
the wireless race various vendors worldwide are offering
a host of WLAN production services. India companies are
offering wireless LAN solutions in there product portfolio
a spurt in the various wireless technologies, Wireless LAN
has become one of the key participants in the wireless race.
Various vendors worldwide are offering a host of WLAN products
on the WLAN scenario, says S.Narayanan, Chairman and Managing
director, MRO-TEK Ltd., "Wireless LANs have gained
strong popularity in a number of vertical markets, including
the healthcare, retail, manufacturing, warehousing, and
industries have profited from the productivity gains of
using computers to transmit real-time information to centralized
hosts for processing. Today wireless LANs are becoming more
widely recognized as a general purpose connectivity alternative
for a broad range of business customers."
India, wireless LAN solutions are available from a number
of companies as part of their broader networking product
portfolio. They include companies such as D'link, Breezecom,
3Com, Lucent to name a few. Says Anand C Mehta, Marketing
Manager, D'link India Ltd.,
LAN products 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".
solutions are being increasingly adopted by various industry
segments both globally and locally. "Recently there
has been a spurt in deployment of these solutions, as they
have become economical and cost effective over the years.
The flexibility in deploying these solutions and productivity
enhancements offered have made them very attractive,"
say sources from Lucent.
Gopal, Country Manager, consumer and commercial services,
3Com India, believes that WLAN is a cost-effective solution.
He says that WLAN today complements existing wired LAN infrastructure
and does not seek to replace it. He further adds that the
cost of implementing a WLAN can really only be justified
against the RoI calculations that an enterprise makes with
respect to savings, gain in productivity etc., that it makes.
Adds TRK's Narayanan, "Comparing the cost/quality ratio,
the WLANs are still on the higher side compared to the traditional
wired networks worldwide. The cost of WLAN is getting cheaper
and as an effect is becoming more popular."
main advantages of WLAN are its portability, ease of installation,
Ram Gopal, "The most appealing aspect of WLAN is its
convenience, it allows flexibility and roaming. A user is
not tied down to a LAN and can move around with relative
ease while staying connected. WLANs are also easy to install.
An entire network can be put together in a matter of hours
rather than days. Finally, WLAN may be installed where rewiring
is impractical. Wireless systems can be installed in different
environments and users can communicate with the existing
wired network through access points or wireless adapters."
there is a flip side to WLANs also. Says Mehta "The
main hurdle for extensive WLAN deployment is its limited
range of operations. A network of interconnected access
points can activate terminals within a range of up to 300
meters. Each individual access point can cover a maximum
range of 100 meters within the confines of the offices.
Being based on the direct sequence spectrum (DSSS) platform,
the range of wireless network is severely affected by physical
obstacles. These physical limits to the range of wireless
networks clubbed with the high costs of implementing multiple
access points present a gloomy picture of the wireless world".
different countries have their own regulations on the use
of wireless devices. There may be licensing requirements
in some, which make the solution less cost effective. In
others, the entire spectrum may not be available, which
makes it difficult to introduce the products. Adds Narayanan
"In most parts of the world, the use of 2.4Ghz which
is mostly used for WLANs is license free, but in India,
one needs the approval of Wireless Planning Commission (WPC)".
frequency band of 2.4 GHz to 2.483 GHz has been approved
by WPC, Government of India, for use by IT enabled applications.
For point to point and point to multipoint outdoor WLAN
links, permission from WPC has to be obtained.
and their key product range
Wireless LAN Access Point
The DWL-1000AP 802.11B, is a 11Mbps wireless LAN Access
Point and is compliant with IEEE 802.11b.
D-Link DWL-1000AP provides access point connections to building
infrastructure for the network or to extend the reach of
the network communications capability. It enables mobility
and seamless roaming from cell to cell and covers a range
of up to 100 meters per cell for indoor use and up to 300
meter per cell for outdoor use.
bridge mode, the DWL-1000AP can be directly connected to
a broadband residential gateway or a xDSL/Cable modem to
provide high-speed wireless Internet access. On a dynamic
network connection, the DWL-1000AP will obtain a DHCP IP
and forward additional DHCP IPs to multiple clients on the
network. The DWL-1000AP can also be directly connected to
a broadband residential gateway or a DSL/Cable modem for
high-speed wireless Internet access.
DWL-1000AP bandwidth data transmission rate can be set manually
at 11Mbps, 5.5Mbps, 2Mbps, 1Mbps or on dynamic auto-sensing
DWL-1000AP operates in 2.4 GHz Direct Sequence Spread Spectrum
(DSSS) for wireless networks in the home or office environment
with transparent bridging and roaming capabilities. The
DWL-1000AP can be managed remotely via the access point
manager software. It also supports WEP (Wired Equivalent
Privacy), MAC address control and user authentication to
automatically identifies the IP of the host PC as well as
the subnet when connected on to an Ethernet LAN in the home
or office environment. In addition, with the access point
manager software, the IP address of the DWL-1000AP can also
be manually assigned. The access point manager software
can be installed in Windows 98, 98SE, ME, 2000 and NT 4.0.
The D-Link DWL-500 is a 11 Mbps Ethernet wireless network
adapter that plugs into the PC's PCI bus slot. Once connected
with other networked PCs, it allows you to share hard disk
drives, DVD drives, CD drives, iomega Zip drives, printers
and provides shared access to a modem for Internet access.
adheres to the IEEE networking standard for wireless connections,
so the D-Link DWL-500 is compatible with multi-vendor environments
that are also IEEE 802.11b compliant. The DWL-500 bandwidth
data transmission rate can be set manually at 11Mbps, 5.5Mbps,
2Mbps, 1Mbps or on dynamic auto-sensing configuration.
D-Link DWL-500 will connect point to point or it can use
an access point. It has full mobility and seamless roaming
from cell to cell as well as across access points.
Infrastructure mode, the DWL-500 can be connected to a broadband
residential gateway or a xDSL/Cable modem for high-speed
wireless Internet access on the existing network.
DWL-500 comes with an internal non-detachable diversity
patch antenna and one built-in green LED indicator for power,
network link and activity. The DWL-500 is compatible with
Windows 98, ME, 2000, NT 4.0 and other popular operating
The Nokia C110 Wireless LAN Card and the Nokia C111 Wireless
LAN Card are extended type II PC cards offering a data rate
of 11 Mbps in a wireless LAN environment. Both cards feature
an internal antenna, and the Nokia C111 also has connectors
for external antennas.
cards support ad hoc networking and infrastructure communication
wired Ethernet networks via access points. The products
support the IEEE 802.11b standard and are based on the 2.4
GHz direct sequence radio technology. The IEEE 802.11b compliant
Wired Equivalent Privacy (WEP) protocol with up to 128-bit
key encryption enables reliable radio traffic.
WECA (Wireless Ethernet Compatibility Alliance) approval
ensures tested interoperability (WiFi) with standard-based
wireless LAN solutions from other vendors as well. Supported
operating systems are Windows 95, 98, 2000 and NT
LAN access point
The 3Com® AirConnect® 11 Mbps Wireless LAN access
point acts as a bridge between the wired Ethernet backbone
and your wireless clients. Generally attached to a ceiling
or wall, the access point works with wireless LAN PC Cards
for notebook users and PCI cards for desktop users to provide
seamless network access wherever you are. Each access point
sends and receives data from up to 63 simultaneous users
at speeds up to 11 Mbps within a radius of 91 meters (300
feet). This access point features built-in diagnostics and
power-up self-check, upgradable firmware, antenna diversity,
and support for SNMP.
Wireless PCI Adapter
The Linksys Instant Wireless PCI Adapter (with the Linksys
Instant Wireless Network PC Card inserted) allows you to
share printers, files, and more within your wireless LAN
infrastructure, increasing your productivity and keeping
you on the network.
plug the Network PC Card into the PCI Adapter and you can
take full advantage of a wireless network. A high-powered
built-in diversity antenna enables you to cover distances
of up to 500 meters.
to run in any PCI-equipped desktop PC and is compatible
with virtually all major operating systems.
combined with the Network PC Card (WPC11) it offers 11 Mbps
transfer rate and is compatible with Windows 95, 98, 2000,
NT and Millennium Plug-and-Play Operation Provides Easy
Setup. IT works with all standard Internet applications.
BayStack 600 Series Wireless LAN Products
The BayStack 600 Series Wireless LAN products offer all
the advantages of a wired LAN connection without the wire,
network resources such as e-mail. BayStack 600 Series Wireless
LAN Products also allow users to create a quick ad-hoc network
between two or more PCs for file sharing, print sharing,
chat capabilities and work group collaboration.
BayStack 600 Series Wireless LAN Products use sophisticate
spread spectrum radios to penetrate walls, doors, floors
and network. Portable PCs equipped with BayStack 600 Series
Wireless PC Cads can connect to the enterprise network from
anywhere in the facility where wireless hubs have been installed.
BayStack 650 Wireless Access Point is a wireless-to-wired
bridge that attaches to the LAN backbone. It enables portable
computers equipped with the BayStack 650 Wireless PC Cards
to access the network without wires via a 1mbps connection.
The BayStack 650 Wirelss LSN Products use a 2.4 GHz Frequency
Hopping Spread Spectrum radio type for network transmission.
Each BayStack 650 Wireless LAN products use a 2.4 GHz Frequency
Hopping Spread Spectrum radio type for network transmission.
Each BayStack 650 Wireless Access Points support 10 to 15
typical mobile users. Each BayStack 650 Wireless offers
a coverage range of upto 225 feet in standard office environments
and up to 1,00 feet in an open environment.
BayStack 650 supports high user density by allowing 10 or
more over-lapped Access Point cells. This scalability allows
for a large number of users in a relatively small area.
Mahesh Rathod can be reached at email@example.com