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- Yes. The device you want is known as a diplexer (or triplexer, etc, for more than two bands; also sometimes duplexer). Electronically, it is just a combination of a low-pass filter and a high-pass filter, which will route the signals to/from the correct antenna based on their frequency.ham.stackexchange.com/questions/21298/can-i-feed-multiple-different-band-an…
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