Relay transmitters can also be referred to as repeaters, signal boosters, or amplifiers. These terms represent technology used to extend the range and reach of communication signals, particularly in radio and wireless communications. Specific types of relay transmitters include digital repeaters, antenna-mounted amplifiers, and channel extenders, each with the ability to improve signal quality and reduce interference. In addition to their application in wireless networks, relay transmitters are also utilized in satellite communications, television broadcasting, and emergency response systems. The development of these synonyms for relay transmitters reflects the growing need for advanced communication technologies and their influence on our daily lives.