Monday, March 17, 2014

A spectrum of a 2.4 GHz WiFi

Just for fun, below is a picture for a 2.4 GHz WiFi spectrum captured by a GWInstek-730 spectrum analyzer at my house

The bar lines don't represent WiFi channels, the channels are much wider - at least 20 MHz, these bar lines is just a feature of the sweep-tuned spectrum analyzer capturing fast changing signal. I believe that GWInstek-730 is an analogue sweep-tuned analyzer that does not perform DFT / FFT of a signal.

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