Product Description
How Wireless Works, Second Edition continues in the How It Works series tradition by explaining every aspect of wireless communications, from the remote control on your coffee table to the most sophisticated wireless Internet networks. This book will provide you with a basic technical background on wireless technologies, including infrared, radio-frequency, WiFi, and RFID. You'll also go inside each technology's strengths and weaknesses, so that you'll know which technology is best suited to a particular application. In part, you will learn about: How data rides on the wireless waves. How radio and television broadcasting work. How cellular networks, cells and base stations work. How Wifi works at home and at the office. Privacy and security in a wireless world. Four-color illustrations will take you through the inner-workings of each individual wireless networking component and then show you how they all work together. If you're in the market to buy wireless equipment, this book will also help you figure out what is the best deal for your money as it will explain the differences between competing industry standards. If you have always wanted to know how wireless works, this is your book!

Amazon.com Review
"Any sufficiently advanced technology," said 2001 author Arthur C. Clarke, "is indistinguishable from magic." By that standard, those of us who carry wireless phones and palmtop computers have been running around with more magical devices than the average character in a Harry Potter novel. How Wireless Works aims to strip wireless of its mystical characteristics, and succeeds wonderfully with illustrations and highly modular text. The proven How It Works series format suits wireless technology very well, largely because wireless services can be explained as stories (the handset sends the dialed number to the nearest base station, which contacts its switching center, which routes the call, and so on). Preston Gralla, a great explainer of technical subjects who's written several fine books, makes great use of the "enhanced comic book" style to show what talks to what, when, and why. He doesn't oversimplify, either. Though reading this book won't fully prepare you for a job at a wireless service provider, it will enable you to speak intelligently about the differences among various mobile telephony standards.It's very hard to find fault with this book. All the latest technologies receive attention, including the emerging Voice XML (VXML) concept and the General Packet Radio Service (GPRS) standard that sees widespread Japanese use in NTT DoCoMo's i-mode service. Gralla also does his readers a service by explaining activities like mobile-phone service theft. --David Wall Topics covered: Ways of communicating voice, data, video, and pretty much anything else over distances, without having a wired connection. This covers the whole range of technologies, from old-fashioned AM radio to swanky new services like third-generation (3G) mobile and location-based services. Internetworking is explained in the context of the unplugged Internet, and short-range wireless specifications like Bluetooth get attention, too.

CUSTOMER REVIEWS (Average Customer Rating: 3.0 based on 5 reviews)

Great illustration of the basics by B. Dunsing (Cincinnati, OH)

4 Stars
October 04, 2007
A previous reviewer wrote "takes one concept and manages to fill an entire book" as being a negative. The author makes it clear up front that all these technologies use the same basic concept - attaching data to a wave and sending it - so what do you expect?? I'm a wireless engineer and thoroughly enjoyed how the author laid out each technology in a step-by-step fashion, complete with full color illustrations and interesting side notes. I originally picked this book up at the library, but decided I needed my own for quick and enjoyable reference.

Weak book by Chen Sun (Houston, TX United States)

2 Stars
August 07, 2007
I generally like this series, but this one is weak. Takes one idea and manages to fill up an entire book.

Good book for beginners by Thomas L. McQueary (N. Richland Hills, TX United States)

4 Stars
May 30, 2004
This book fulfills its role as the very first book one may wish to read if he/she knows nothing at all about wireless technology and wants a broad overview of the subject. The colorful pictures and brief text descriptions makes the book accessible to newbies. The reader is then prepared to move into more advanced books on this interesting subject.

misleading content coverage, misleading title

1 Stars
June 01, 2003
CAUTION: DO NOT BUY THIS BOOK IF YOU'RE LOOKING FOR ANY KIND OF IN-DEPTH COVERAGE OF WIRELESS BASICS.

Great book!

5 Stars
October 31, 2001
If you want to know how any kind of wireless technology works, this is the book for you. Whether it's wireless networks, wireless Internet access, cell phones, WAP, pagers, WSDL...it's all here. The introductory material is great for anyone wanting to understand concepts like how data and information can be sent wireless, how the electromagnetic spectrum works, etc. And even the more complicated material is easy to follow --- the illustrations are clear and are great for explaining wireless concepts. Anyone interested in wireless technology should get this book.

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