Antenna feeder systems: how are the signals sent? 2023-11-25
Most base stations still don't need to build a special tower, just build it directly on the existing roof.

Generally you see a row of vertical up slightly downward sloping plate-like objects on the roof, is the antenna. If you are in a place where houses are scarce, you will be specially built to hang the base station with a communication tower, at the top of the tower, there is a circle of rectangular plate-shaped things in the gleam, is the antenna.