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  • I just watched a really good YouTube video by Tom Carpenter on the CWNP channel.   It's entitled USB 3.0 Interference in 2.4 GHz.

    It's available at:   https://www.youtube.com/watch?v=MA979zIpTWg&feature=push-u&attr_tag=adeGnnlKHswkAY7P-6

    Not only does Tom talk about the phenomenon, he shows some spectrum analyzer displays that clearly show the noise level they produce.   He also gives some quantitative numbers as to the amount of interference.

    Personally I didn't appreciate how wide-band the noise really is - much more than the microwave ovens I sometimes come across.

    I was originally just going to add a link into an existing Forum post, but I could not find one on USB 3.0, so I created this one.    I recommend this video to everyone.

    In addition to this video, here is a link to an Intel paper on the same subject:

    https://www.intel.com/content/www/us/en/io/universal-serial-bus/usb3-frequency-interference-paper.html

    Besides Wi-Fi, this document talks about the USB interference impacting wireless mice, keyboards, and Bluetooth devices.   It also includes several mitigation ideas.

    Personally, I am interested in this as some USB 3.0  devices can simultaneously run Wi-Fi & Bluetooth radios and I am concerned about their interaction.

    Big thanks Tom !

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