Anybody knows how to increase the walkie talkie range?

JimB said:

With these requests to increase the range of toy radios, ...... , but nobody ever considers the possibility of improving the receiver.
Why is that?

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The receiver is usually a single transistor super-regen. It can't be improved because it is such a cheap poor circuit.

The FRS/GMRS UHF walkie-talkies have a double or triple conversion superhet receiver with a sensitivity of about -123dbm, which is about as good as you can get, short of special low-noise front ends. However, by regulation, they are not supposed to be used with a remote antenna.

A. 18
B. 6' Torso:~19"
c. Up to 85l bs. (50 would be preffered.)
If you could send me the details on how to make a backpack mounted antenna that would be much appreciated.
Essentially what I am trying to build is a SATCOM.