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  1. R

    Choice of Spectrum Analyzer and its directional antenna

    I refer to Novelda X4M300 presence sensor I intended to purchase a budget 2nd hand spectrum analyzer with a directional antenna that can detect the presence of intruding RF, In page 10 of the datasheet of the above...
  2. R


    I would like to learn about the basic of detecting RF using Spectrum Analyzer with Directional Antenna