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2. Antenna amplifier - Wikipedia

   en.wikipedia.org/wiki/Antenna_amplifier

   Antenna amplifier for broadcasting service (here: TV broadcasting and FM sound broadcasting). In electronics, an antenna amplifier (also: aerial amplifier or booster) is a device that amplifies an antenna signal, usually into an output with the same impedance as the input impedance. Typically 75 ohm for coaxial cable and 300 ohm for twin-lead ...

3. Vehicle audio - Wikipedia

   en.wikipedia.org/wiki/Vehicle_audio

   The AM/FM radio combined with a CD player has remained a mainstay of car audio, despite being obsolescent in non-car applications. [17] [18] In the 2010s, internet radio, satellite radio, streaming, and podcasting came into competition with AM/FM radio. By this time some models were offering 5.1 surround sound.

4. Radio receiver - Wikipedia

   en.wikipedia.org/wiki/Radio_receiver

   A portable battery-powered AM/FM broadcast receiver, used to listen to audio broadcast by local radio stations. A modern communications receiver, used in two-way radio communication stations to talk with remote locations by shortwave radio. Girl listening to vacuum tube console radio in the 1940s.

5. Yaesu FT-891 - Wikipedia

   en.wikipedia.org/wiki/Yaesu_FT-891

   The Yaesu FT-891 is a HF and 6 meters all mode mobile amateur radio transceiver. The FT-891 was first announced to the public by Yaesu at the 2016 Dayton Hamvention. [1] The radio has 100 watts output on CW, SSB, and FM modulations and 25 watts of output in AM. [2] As a mobile transceiver the FT-891 is well suited for mobile installation in ...

6. Tuner (radio) - Wikipedia

   en.wikipedia.org/wiki/Tuner_(radio)

   Marantz 2050L AM/FM stereo tuner (USA; 1978-1980) [1]. In electronics and radio, a tuner is a type of receiver subsystem that receives RF transmissions, such as AM or FM broadcasts, and converts the selected carrier frequency into a form suitable for further processing or output, such as to an amplifier or loudspeaker.

7. Crystal radio - Wikipedia

   en.wikipedia.org/wiki/Crystal_radio

   Crystal radios are the simplest type of radio receiver [2] and can be made with a few inexpensive parts, such as a wire for an antenna, a coil of wire, a capacitor, a crystal detector, and earphones (because a crystal set has insufficient power for a loudspeaker). [3]