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The most popular WiFi standards today, 802.11b and 802.11g, both operate in the 2.4 GHz (Giga Hertz) frequency band and are susceptible to interference from other products operating in the 2.4 GHz band including microwave ovens, Bluetooth devices, baby monitors and cordless telephones. 802.11n, currently in Draft 2.0 standard (with projected standard approval in the fall of 2008), can use both 2.4 GHz and 5 GHz frequencies.