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1. Hardware Annoyances > WIRELESS HARDWARE ANNOYANCES

WIRELESS HARDWARE ANNOYANCES

YOUR ELECTRIC GARAGE DOOR ISN’T A PROBLEM

The Annoyance:

I want to expand my wired network with wireless technology, but I keep hearing about interference with the wireless signals. Is it true that opening an electric garage door can stop wireless communications, or that sending data from a wireless computer can open the garage door?

The Fix:

I hear that question constantly, and I’ve never figured out how that warning became so ubiquitous. Even though wireless computers and remote-controlled garage doors operate with radio frequency (RF) technology, they’re on frequencies far, far apart from each other. Most (probably all) garage doors, and the doohickeys you use to open them remotely, use the 433MHz frequency range. Wireless computers in home networks (802.11b and 802.11g) operate in the 2.4GHz range.


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