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cordless phones & microwaves
Classicman...
microwave ovens operate at 2.54 GHz, same as Wi-Fi and some home cordless phones. There are other choices of frequencies for cordless phones, I saw some 5.8 GHz ones at Costco last week. They are far enough away in frequency that they shouldn't be interfered with by the microwave. There are also the old standby 900 MHz phones, which came out before the 2.54 GHz ones.
Each time a new frequency band is made available, and the chip companies make cheap silicon to support, people are conned into the new "better" frequencies. But all the sexy features don't matter if you get stepped on by another transmitter, deliberate or not.
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