Maybe. It's really a configuration-dependent thing.

Thanks to claudeo for this great summary.

* Avoid 2.4GHz phones. DECT 6.0 (which uses 1.9 GHz) is the best option. 5.8Ghz phones are still available and will not interfere with 2.4GHz WiFi. The now ancient 900MHz phones are also fine.
* If you get a 2.4GHz phone:
- Some DSS 2.4Hz phones are clearly designed to hop around wireless network frequencies without interfering, while others are not designed to do that. There is no correlation between price and this feature. Some of the more expensive models are also the worst for interference.
- Look for some clear indication from the manufacturer that the phone is "wireless network friendly", like the sticker on some VTech boxes
- Buy from a place that will accept returns. Unpack it very carefully so that you can repack it and return it if it turns out to interfere or not perform well enough
- If you're stuck with one that you can't return and that does interfere, sell it or junk it. Just make sure you don't sell it or give it to your neighbors!

update provided by wmcbrine

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by No_Strings
last modified: 2011-04-30 09:03:34