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Wireless computer systems.

The benefits of wireless networking are enjoyed by a huge range of organizations in both 
the public and private sector. Wireless LAN's are a valuable networking tool for use within the building 
or as an extension to the wired network and for linking two or more buildings together to provide users 
with the ability to share data and resources.
H2Esp technical staff used different equipment to test and create wireless connections 
and they understand its physical limitations. The testing is done through a site survey, which is vital for any wireless network Wireless LANs W-LANs enable employees in a facility access the LAN without a hardwired connection. W-LANs can be deployed instead of a wired LAN, for example, in the case of an older building that is not easy to re-cable. Or W-LANs can be deployed as an adjunct to an existing wired LAN, for example, for "high density" areas, such as cafeterias, auditoriums, lobbies, or conference rooms, or for connectivity with a remote site, such as a factory or warehouse, that may be difficult or too expensive to hard wire.

Going wireless opens a new universe of mobility and flexibility for small businesses. Wireless networks can help integrate cell phones, laptops and handheld devices with the office network, and mobilize your entire workforce.

With wireless local-area networks (W-LANs), employees can move from cubicle to conference room and back again and still stay connected. They can sit in the lobby, storeroom, or break room and access the Internet or internal servers as though they were hardwired to the high-speed Ethernet LAN.

W-LANs can help small companies in these five important ways

For frequent business travelers, the figures are even lower. Employees often find it difficult to make time between meetings to complete their work. Accordingly professionals spend as much as 48.8 hours per month in meetings. And  much of this time is often wasted.

Using W-LANs, workers roaming through meeting rooms, lobbies, lunchrooms, and other common areas can securely tap the same resources available to them at their wired desktop PCs. Responding to a few additional e-mails between appointments might seem like a small gain. However, a W-LAN user enjoys the flexibility to stay on top of communications throughout the workday — rather than waiting until 5 p.m. to deal with a day's worth of messages gives an employee vital information in time to close a deal or seal a customer's loyalty.

In 2001, an independent study found that W-LANs enabled users to stay connected an additional 1.75 hours each day, which translated to an increase in productivity as high as 22%.

Here are real-life examples of the ways companies in different industries are using W-LANs to improve business productivity.

• The consultants in an industrial construction firm can access job-site information during meetings, reducing their group decision-making time by 50%. The W-LAN in the company's training room enables trainers to move equipment around and reconfigure training stations for different customers without being limited by the location of wired network connections.

• A printing company's purchasing staff takes their wireless-equipped laptops to the parts cages to conduct inventory reconciliation online, which is faster and more accurate than writing everything down and returning to their desks to transcribe the data.

• A retail store uses W-LANs to allow employees to move freely throughout the store and interact with customers while still being able to access inventory and order data at their fingertips anytime, anywhere. The store has been able to reduce labor costs approximately 10 to 15 hours per week.

  2. Making better use of application investments

According to the Best Practices 2002 Book of Numbers, the average company has invested $11,600 per user to deliver network applications to the desktop resource that workers can access just 30% of the day. For a few hundred dollars more per user, companies can extend access to that network investment by more than 50%.

A robust W-LAN system delivers secure performance at speeds up to 11 megabits per second (Mbps), enabling mobile workers to use the full range of network applications and tools over a wireless connection.

If no one ever joined or left a company, or were promoted or transferred to another department, or visited from another office, then changes to the network would merely be an occasional headache rather than a constant battle. But the reality is that facilities and their occupants are constantly changing, and each change requires coordinating, cabling, attaching, configuring and testing.

With a conventional LAN, this is referred to as "moves/adds/changes." The burden of moves/adds/changes is such that a small business might very well avoid moving employees around simply to avoid the hassle of reconfiguring their workstations. Or they might have to pay outside vendors rather than waste valuable in-house resources on these mundane but necessary tasks.

With W-LANs, employees can move from cubicle to cubicle without any rewiring or reconfiguration, improving mobility while reducing administrative support.

  4. Supporting a diversely connected workforce

In the past, when most employees worked from the same location, the requirements for connectivity were more predictable. Today, with the growth of mobile technologies, small companies enjoy greater freedom and flexibility in how they deploy their workforce.

Employees use laptops, handheld computers, and even phones to connect to their data. It's almost impossible to know when and with what hardware today's mobile workers will need to connect to the company network when they are back at the office (or where they might be able to plug in if they don't have a permanent workspace in the office). With a flexible, robust W-LAN, these connections can be made seamlessly.

  5. Connectivity in old buildings or temporary locations

Young, successful companies often have to move several times as they grow, sometimes into older buildings or into temporary locations while waiting for office space to be retrofitted. The cost of re-cabling an older building for broadband connectivity (one that is not wired for Category 5 cabling, which is used for traditional wired local-area network connectivity) can be surprisingly high.

In addition, re-cabling may mean move-in delays, which make the move to a new location more painful and disruptive than necessary. W-LANs can be deployed much more easily and quickly, giving companies more flexibility in how they make their operations grow.

802.11a New Technology Up to Mbps (5x greater than 802.11b) Wireless Internet access - 5GHz - 25 to 75 feet indoors - Uncrowded - range can Up to 54Mbps Laptop computers - PDAs cell phones Not compatible with 802.11b, 802.11g

802.11b Widely adopted readily available everywhere Wireless Internet access - 2.4GHz range 100 to 150 feet indoors - Up to 11 Mbps - Laptop computers - PDAs, cell phones - Other 2.4GHz devices, like cordless phones - Widest adoption.

802.11g Wireless Internet access - 2.4GHz - Up to 150 feet indoors - Up to 54Mbps - Laptop computers - Other 2.4GHz devices, like cordless phones.

Bluetooth Wirelessly connect computer peripherals - 2.4GHz - p to 33 feet 10 meters - 720Kbps - Printers, cameras, cell phones, PDAs, other peripherals - Other 2.4GHz devices, like cordless phones.

GSM (Global System for Mobile Communications) Digital cellular telephone system; most-used system worldwide - 900MHz, 1,800MHz, 1,900MHz - Determined by host network - GSM-enabled cell phones, PDAs, pagers - Not compatible with CDMA, TDMA networks.

3GSM Third generation GSM network - 1,920-1,980MHz and 2,110-2,170MHz - Determined by host network - 2Mbps data rate - 3GSM-enabled cell phones, PDAs, pagers - Not compatible with CDMA networks.

CDMA (Code Division Multiple Access) Digital telephone system used mainly by U.S. cellular networks - 800MHz, 900MHz, 1,700MHz, 1,800MHz, 1,900MHz - Coverage area of host network - 14.4Kbps data rate; a revised CDMA standard offers 64Kbps - Mobile phones on CDMA networks - Not compatible with GSM, TDMA networks.

CDMA2000 Third generation CDMA-based network - Any existing band - Coverage area of host network - 144Kbps; future speeds are estimated as high as 4.8Mbps - Mobile phones on CDMA2000 networks - Not compatible with GSM, TDMA networks.

CDPD (Cellular Digital Packet Data) System used to transmit data over analog cellular networks - 800MHz, 1,900MHz - Coverage area of host network - 19.2Kbps data rate - Cellular phones, PDAs, pagers.

Whether your company is looking to reduce costs, increase customer satisfaction, reduce risks, or empower employees, information technology can provide the tools to support your corporate strategies. H2Esp Business and Technology has the solutions that address key business concerns commonly held by medium and large businesses. These solutions consist of technology products that work well together, beginning-to-end services from assessment and cost validation to design and implementation, as well as lab-tested best practices and training. For companies with fewer than 50 employees.

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