This is what I have discovered thrice:
(1) By using 6 dBi FA antenna, first without Filter, and it performed much poorer than 2 dBi Cantenna. I then added a filter, and it started performing better than Cantenna.
(2) By comparing Simulations of a high gain wire collinear and a Cantenna
(3) By testing Cantenna & FA antenna by N1201SA.
Please see my various posts in this thread: Off Designed-Frequency Behavior of 2 Types of Antennas
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