👉 A repealer is a device used in radio and television broadcasting to stop transmission of an incoming signal when it reaches a point where the transmitter is unable to maintain communication with the receiver. This prevents interference from other equipment, such as telephones or satellite dishes. Repeater stations are typically located near major cities or towns, providing coverage for a large area while also reducing the amount of time needed to transmit the signal over long distances. Repeater systems can be used in a variety of applications, including emergency