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Wireless Hacks
book

Wireless Hacks

by Rob Flickenger
September 2003
Intermediate to advanced content levelIntermediate to advanced
304 pages
8h 39m
English
O'Reilly Media, Inc.
Content preview from Wireless Hacks

Chapter 6. Long Distance Links

Hacks #80-85

The stated average range of a piece of consumer 802.11b equipment is 300 to 1,500 feet. Of course, this estimate is what is printed on the side of the box, and the number is chosen to be somewhere between actual technical constraints and the marketing department’s agenda—and should therefore be taken with the standard issue grain of salt. What the side of the box doesn’t tell you is that radio range isn’t something “built into” a product, but is in fact the same for all wireless devices: potentially infinite, but bounded by transmitter power, antenna gain, clean line of sight, and relative noise in the environment.

While the intended range might just be a couple of hundred feet, wireless aficionados everywhere have proven that it is possible to use the 802.11 family of devices to build reliable data links of 10 miles or more. The hacks in this chapter expose some of the important details you need to keep in mind, as well as techniques you can use to make your long distance projects possible.

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Publisher Resources

ISBN: 0596005598Catalog PageErrata