What kind of network is built around the concept of low-power transmitters built on towers that can use the same radio frequency channel?

Cellular telephone network

Explanation:

Cellular telephone network utilizes the concept of the such towers that allows the use of transmitters of low power and make use of the same channel for the radio frequency.

Cellular network is the network for communication in which the end link of the network is wireless. This type type of network is distributed and makes use of the radio waves over the land areas of the network referred to as the 'cells'. These cells are served individually by the fixed base station that enables the transmission of calls over a wide range through wireless links to a fixed receiver