An electronic receiver that detects and demodulates and amplifies transmitted signals WordNet 3.0 & Open English WordNet

A tuner is a subsystem that receives radio frequency transmissions, such as FM broadcasting, and converts the selected carrier frequency and its associated bandwidth into a fixed frequency that is suitable for further processing, usually because a lower frequency is used on the output. Wikipedia

A module or device which separates out one channel from low-amplitude radio-frequency signals for further processing Wikipedia Disambiguation

Frequency selection subsystem for various receiver systems Wikidata

A device that can capture the signal sent over radio waves and render the modulated signal as sound. OmegaWiki

A device that can transmit radio signals. Wiktionary

The component of an audio system that receives radio broadcasts. Wiktionary