February 2003
Intermediate to advanced
352 pages
8h 35m
English
Content preview from Deploying License-Free Wireless Wide-Area NetworksBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Working with Wireless Power
Working with wireless WANs requires knowing how to work with wireless power. Following are facts about wireless power:
Power can be either increased (a power gain) or decreased (a power loss).
Power can be relative, for example, twice as much power or 1/2 as much power or Power can be absolute, for example, 1 watt or 4 watts.
Both absolute and relative power are always referenced to initial power level, either to a relative power level or to an absolute power level.
Wireless WAN power levels become very small, very quickly after leaving a transmitting antenna.
Wireless WAN power does not decrease linearly with distance; it decreases inversely as the square of the distance increases. Here are some examples:
- If we double ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.