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Will Combining Multiple 4G Antennas Improve Signal etc.


DARK0717

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I know there are modems that can support up to 2 external antennas, but I was wondering if I use a combiner essentially having 2 antennas each port, which is 4.
Does this have any up or down sides?
Can I simply scale it to as much combining as I want?

also, i dunno what branch of science this is so I just put it in physics...
 

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Signals that are added out of phase tend to cancel. I would imagine a circuit designed to do this would have the ability to adjust this and maximize the signal (or you could do this by changing the locations of the antennas; a signal at e.g. 300 MHz has a wavelength of a meter) but it means you can’t just combine them as you want.

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40 minutes ago, swansont said:

Signals that are added out of phase tend to cancel. I would imagine a circuit designed to do this would have the ability to adjust this and maximize the signal (or you could do this by changing the locations of the antennas; a signal at e.g. 300 MHz has a wavelength of a meter) but it means you can’t just combine them as you want.

i see thanks

 

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