AM/FM

Standard radio frequencies

AM/FM describes radio equipment capable of receiving both amplitude modulation and frequency modulation broadcasts—the two standard methods of transmitting audio over radio waves.

AM offers longer range but lower fidelity; FM provides clearer sound over shorter distances.

Most car radios and portable receivers are AM/FM: an AM/FM clock radio, Does it have AM/FM?

broadcasting

radio

Electromagnetic wave receiver

  • tunerDevice selecting broadcast frequencies
  • dialGraduated circular indicator
  • stationsFixed stops on routes

frequencies · bandwidth · antenna · receiver · transmitter · airwaves · broadcast · signal · wavelength · modulation

devices

radio

Electromagnetic wave receiver

  • tunerDevice selecting broadcast frequencies
  • boomboxPortable stereo with speakers
  • portableAble to be carried

receiver · Walkman · tabletop · console · dashboard · antenna · speakers · earbuds · shortwave · dual-band

listening

stations

Fixed stops on routes

  • presetsSaved default configurations
  • dialGraduated circular indicator
  • scanBrief visual sweep

seek · reception · static · clarity · stereo · mono · signal · interference · tuning · favorite

technology

amplitude

Maximum oscillation displacement

wave · analog · signal · bandwidth · fidelity · interference · noise · transmission · encoding · demodulation

comparison

fidelity

Loyalty or exactness

interference · nighttime · daytime · skywave · bandwidth · clarity · stereo · mono · coverage · distance

Categories
Opposites
radio transmission technology

AM/FMsatellite radio

Audio via orbiting transmitters

digital radio · DAB · shortwave · ham radio · CB radio

audio delivery platform

AM/FMSpotify

Music streaming platform

Pandora · Apple Music · YouTube Music · CD · MP3

Phrases
Family

ample, amplify, amplifier

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G