Will a mobile internet booster help in this situation?

Question

Computer networks

Decided to work at the cottage in the summer.
Megaphone modem (catches 2-3 3G sticks) periodically falls off, pings for a long time.
According to the megaphone map, my dacha is not in the 4G zone, but it is only 4 km away.
Does it make sense to buy an amplifier from a megaphone? Will there be any sense? Is it possible to catch 4G?

Answer 1

yes, there is the main height and a good cable from the antenna