EnGenius WCA410 Specifications download pdf

ithin the next few

years, users will

view simple cell

phones without

PDA features as primitive voice

devices found alongside rotary

phones in technology museums.

A new breed of feature-rich, highly

integrated smart mobile devices

will take their place and these

devices will combine multiple-

band, 3G wireless and broadband

Wi-Fi-enabled communication

with anytime, anywhere informa-

tion access, all revolving around

presence-awareness.

Presence-awareness is similar

to instant messaging's buddy lists

that show who among someone's

circle of online friends and associ-

ates is connected at any given

time. With it, users can register

their availability and communi-

cation preferences with the net-

work. In turn, the network can

provide an aggregate view of all

registered users' availabilities and

communication preferences such

as wired phone, wireless, e-mail

or instant messaging.

Mobilizing this capability has

powerful implications for quantum

gains in productivity across most

every industry and profession,

especially in those areas requiring

complex project management and

time-sensitive responses.

Fundamental to this new mobil-

ity and collaborative paradigm are

the 802.11 standards for Wi-Fi. In

2003, the IEEE released the 802.11g

standard with data rates of up to 54

Mbps. The migration to 802.11g is

important because speed matters.

The slower 11 Mbps data through-

put of the popular 802.11b can

slow even further to just a few

megabits per second in poor cover-

age areas. Although e-mail, fast

Internet access and VoIP conversa-

tions can operate at these speeds,

video applications and sharing

large files will benefit from the

faster speed of 802.11g.

Although Wi-Fi was conceived

as a way to set up Ethernet LANs

without the cost and trouble of

hardwiring, the concept rapidly

expanded beyond corporate

offices into private WLANs for

the home and public WLANs or

hot spots. These public WLANs

are appearing in hotels, airports,

cafes, public parks and even air-

o many industry insiders, the prom-

ise of broadband wireless access

(BWA) is clear. The goal is delivery of

last mile, enterprise infrastructure and

MAN traffic at lower cost than incumbent

technologies—ADSL, cable modem,

T1/E1, etc. The reality can be best charac-

terized as hit or miss. The current-genera-

tion technology is sufficient to meet the

business needs of datacom customers in

some niche markets. For example, BWA

growth in domestic rural and some lesser-

developed countries has been strong. But

this growth has not been seen in the

majority of urban and suburban centers

due to the strong presence of competing

technologies. In other words, BWA has

grabbed hold only in markets where other

technologies are absent. What has rele-

gated BWA to remain a niche technology?

Two reasons: non-line-of-sight (NLOS)

coverage and cost.

Both issues boil down to technology.

Advancing beyond traditional line-of-sight

(LOS) deployment means developing tech-

nologies that can handle the added impair-

ments of NLOS operation. Doing this

inexpensively requires smart architecture

choices and high levels of integration to

drive hardware costs down. Delivering both

in a single, reliable radio is today’s challenge.

NLOS Impairments

Operating in an NLOS environment

subjects a radio to a number of severe

impairments that must be managed

The Nextel / FCC

Spectrum Reallocation:

What Does It Mean for You?

By Alan Tilles, Esquire, Shulman, Rogers, Gandal, Pordy & Ecker, P.A.

The FCC recently voted to adopt a Re-Banding Plan

for the 800 MHz band. The following is a summary of

the Order:

800 MHz public safety licensees in the NPSPAC

band (866-869 MHz) will move to the bottom of

the old General Category channels (851-854 MHz).

Incumbents in the 851.0125-854.7625 MHz bands

move to the 854.0125-861.9875 MHz spectrum.

No licensee operating from 854.7825 to 860.9875

MHz is required to move. However, existing pub-

lic safety licensees operating from 859.0125 to

859.9875 MHz can move to lower channels.

No public safety or critical infrastructure licensee

will be required to move into 861.0125-861.9875

MHz bands.

Nextel will give up its 800 MHz spectrum

from 851.0125 to 861.9875 MHz. (Not the

change from the original proposal, in that

Nextel will now also be giving up its 861.0125-

861.9875 MHz spectrum.) Nextel will also

give up its 700 MHz licenses, but will KEEP its

900 MHz licenses.

Market Focus

■ Discover ways to

overcome Passive

Intermodulation (PIM).

See page 2



■ Find out how to use

communications systems

analyzers for remote

system monitoring.

See page 3



Network Infrastructure

■ Use Motorola Canopy’s

wireless ISP marketing kit

to expand your customer

base and market reach.

See page 5



■ Extend the 5.8 GHz range

and receive more data per

sector than ever before

with Solectek SkyWay 5000

base station antennas.

See page 8



Mobile Devices &

Accessories

■ Ritron’s Liberty™ Extender

Repeater System virtually

eliminates shadowing,

fading, and dead spots for

two-way radio applications.

See page 16



■ Stico’s interoperable

antenna system enables

first responders from

different agencies to

communicate seamlessly

during critical incidents.

See page 17



Install, Test &

Maintenance

■ Remove those fine

scratches and abrasions

from cell phones and

PDAs. Novus Fine Scratch

Remover has a multitude

of uses.

See page 25



Business Briefs

■ Disaster strikes when you

least expect it. TESSCO

can help with disaster

preparedness.

See page 27



Get the tools and training

necessary to sell, install,

and support wireless net-

working solutions with

TESSCO’s VAR Alliance

Program.

See page 27



PRSRT STD

U.S. POSTAGE

PAID

TESSCO

TECHNOLOGIES

THE WIRELESS JOURNAL

TESSCO News and Product Review for Wireless Communications Professionals

VOLUME 7 / NO. 4 OCT / NOV / DEC 2000

THE WIRELESS JOURNAL

TESSCO News and Product Review for Wireless Communications Professionals

VOLUME 11 / NO. 4 OCT/NOV/DEC 2004

At a Glance

Please reference code

when ordering from this issue!

03648

11126 McCormick Road

Hunt Valley, Maryland

USA 21031-1494

(continued on page 2)

(continued on page 3) (continued on page 2)

Wi-Fi x 5: How 802.11g Changes the Mobility Picture

By William J. Beyda, vice president of product development, Siemens Information and Communication Networks

Defeating NLOS and

Cost to Win Last Mile

Business By Eric Lee, president and CEO, Solectek

Defeating NLOS and

Cost to Win Last Mile

Business

1 2 3 4 5 6 ... 27 28

Summary of Contents

Page 1 - THE WIRELESS JOURNAL

Within the next fewyears, users willview simple cellphones withoutPDA features as primitive voicedevices found alongside rotaryphones in technology mu

Page 2 - Market Focus

ecause Orthogon Systemsoffers the only true non-line-of-sight (NLOS) solution inthe market, they’re known fortheir ability to solve the toughenvironme

Page 3

ntroducing PlantronicsM2500 Bluetooth®wirelessheadset, a stylish headset that isperfect for the mobile profes-sional or anyone on the go. TheM2500offe

Page 4 - Training Classes and Seminars

occer practice. Schoolrecitals. Birthday parties.These days, parents have noshortage of places to be. And for-tunately, nothing can help themstay on t

Page 5

Page 6

Page 7 - Times LMR

he ProTalk®(TK-2200/3200) portable is newlydesigned, with additional fea-tures for job site communica-tions in manufacturing,industrial,construction,w

Page 8

itron’s compact Liberty™Extender Repeater Systemhas been designed specifically foron-site conventional two-wayradio applications virtually elimi-natin

Page 9

Web-cam software applicationlocated on the remote site PC.Second, key press information isefficiently exchanged betweenthe sites using a client/server

Page 10 - Network Infrastructure

ne size fits all—no more!TESSCO offers more than adozen client-based and Web-basedsolutions for your GPS fleet track-ing and asset management needs,fr

Page 11

MMCX connector apply to theRP MMCX. They are used onDemarc, Proxim/Orinoco andZcomax/Zcom devices.SMA, subminiature versionA connectors, are one of th

Page 12

Passive intermodulation(PIM) products arebecoming a problem inwireless communications systemdesign for the following reasons:• Regulatory bodies are m

Page 13 - LET YOU DOWN

he portable wireless speakerHF800 by Motorola defiestraditional expectations. This rev-olutionary new product takeswireless connectivity to a newlevel

Page 14

Continuous GPS Signal Reception forAsset Tracking and AVL Applications adiall/Larsen AntennaTechnologies is proudto present a full line of GPS tri-ba

Page 15 - AVL solutions

Ever Butchered a Lexus?Why risk an angry customer...becauseyou screwed in a free pedestal mount?Get it right, mount a cell phone on a Pro.Fit VSM. The

Page 16

TESSCO Offers Hands-OnTraining Classes and SeminarsAs a supplier of emerging tech-nologies solutions and test equip-ment required for today’s evolving

Page 17 - TESSCO.com/go/2way

Spectrum Master™MS2721A100 kHz to 7.1 GHz frequency range-153 dBm typical displayed average noise level @ 1 GHz-100 dBc/Hz SSB phase noise @ 10 kHz of

Page 18

Certifying Cable Installationson Time and Without Penalties(continued from page 2)Wireless Solutions®Hi-Visibility Spanner WrenchExclusiveesigned for

Page 19

Price Matters, butYour Total CostMatters MORE!Your Total Source®Pricing Is Uniquely Simple!• No minimum dollar orbulk requirement• No need to best-pr

Page 20

Visit TESSCO at TheseExciting Industry EventsYou may be a winner!Monthly winnersreceive a $250 certificateand the Grand Prize drawingwinner receives

Page 21 - Make it smart

Flash Accessory USB PC Connector Bluetooth™ Headset Bluetooth™ RemoteControl CarAkono™ HeadsetHBH-660Travel Charger Bluetooth™ Car Handsfree Imagewear

Page 22 - Ever Butchered a Lexus?

Remote SystemMonitoring withCommunicationsSystemAnalyzersBy Katrina Scally, software engineer, General DynamicsIn large distributed communica-tions sy

Page 23 - Install, Test and Maintenance

TESSCO’s training and seminars keep you up to date on the latest technology and industry standards. Call 800-472-7373 or visit http://www.tessco.com/g

Page 24

ystem integrators, munici-palities and governmentagencies migrating to the new700 MHz frequencies can nowrely on Astron Wireless to pro-vide their ant

Page 25

Page 26 - Business Briefs

Page 27

Page 28

he ability of a grounding sys-tem to protect property andpersonnel is dependent upon thequality and effectiveness of the con-nections used to form the

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