Sunday, November 19, 2006

Why Not To Get 2.4GHz Phones

This doesn't seem to be well publicized, but if you're in the market for a cordless phone, you might notice that 2.4GHz models are low priced. One reason is that these phone broadcast in the same band as ordinary wireless networking signals. So they can interfere with your network.

There are several channels defined in the 2.4GHz band, and some phones may have a setting to change the channel. You may be able to minimize the interference by moving your phone to the highest or lowest channel, or by moving the phone away from the wireless network, but any time you are using the phone you have a chance of interference. The result of the interference is errors in the wireless network transmission, requiring retries, resulting in a network slowdown or possibly disconnection.

So if you are positive you never, ever, will use a wireless network in your home, you can get the 2.4GHz phones. But really, that's not a safe assumption. So it's much wiser to get phones that operate in another band, such as 5.8GHz.


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