DARK0717 Posted September 13, 2020 Share Posted September 13, 2020 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... Link to comment Share on other sites More sharing options...
swansont Posted September 13, 2020 Share Posted September 13, 2020 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. Link to comment Share on other sites More sharing options...
DARK0717 Posted September 13, 2020 Author Share Posted September 13, 2020 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 Link to comment Share on other sites More sharing options...
StringJunky Posted September 13, 2020 Share Posted September 13, 2020 I looked into this some time ago and the way to go seems to be to put a directional antenna outside in the line of the transmitter, Link to comment Share on other sites More sharing options...
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