A receiver in telecommunications is a device that captures and converts signals into usable information. It is an essential component in various communication systems, including radio, television, and mobile phones. The receiver processes incoming signals, which can be in the form of sound, video, or data, and translates them into formats that users can understand. Receivers work by tuning into specific frequencies to filter out unwanted signals. They often include components like antennas, amplifiers, and demodulators. By effectively receiving and decoding signals, receivers enable clear communication and information transfer between devices, contributing to the overall functionality of systems like Wi-Fi, cellular networks, and broadcasting.