What type of communication is used in microwave towers?

A microwave link is a communications system that uses a beam of radio waves in the microwave frequency range to transmit video, audio, or data between two locations , which can be from just a few feet or meters to several miles or kilometers apart.

The Five Types of Microwave Antennas and What They’re Used For

A simple one-way microwave link includes four major elements: a transmitter, a receiver, transmission lines, and antennas .