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Thread: Nordic nRF24 analysis with Chanalyzer

  1. #11

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    Hello,

    I went to a field outside of city (no electricity around 1Km), switched my laptop's WiFi off, my mobile on "airplane-mode". The attached traces shows after 1 minute the activity of one nRF24-E1 node transmitting 1Byte messages at maximum power and rate. I put in this one node the rangemax demo from Nordic.
    nRF24_rangemax_full.wsr includes a full 2.4GHz range, while nRF24_rangemax_localized.wsr I made with a smaller range, around the activity frequency I observed in _full.
    Then I put back my program that transmit short messages (not periodic, but at max 3 secs, as part of an "epidemic protocol") and as you can see in nRF24_MyNode_full.wsr, unfortunately, we cannot localize the signal!
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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