radio frequency

Wireless signal spectrum

Radio frequency refers to the range of electromagnetic waves used for wireless communication and broadcasting.

Radio frequencies carry signals for AM/FM radio, television, Wi-Fi, cellular phones, and radar.

Different bands are allocated for different purposes: The device operates on a radio frequency reserved for emergency services.

Often abbreviated RF.

transmission

antenna

Broadcast signal receiver

signal · attenuation · amplifier · repeater · tower · mast · dipole · omnidirectional · directional · gain

spectrum

hertz

Frequency measurement unit

wavelength · bandwidth · shortwave · longwave · VHF · UHF · HF · microwave · carrier wave · modulation

applications

WiFi

Radio-based network access

GPS · radar · RFID · NFC · walkie-talkie · television · remote control · telemetry · aviation · maritime

regulation

FCC

Broadcast oversight agency

call sign · bandwidth limit · compliance · emission standards

Categories
Opposites
electromagnetic spectrum position

radio frequencygamma rays

Highest-frequency electromagnetic radiation

X-rays · visible light · infrared · microwave · ultraviolet radiation

signal transmission method

radio frequencyfiber optic

Light-based data transmission

cable · landline · direct current

perceptibility

radio frequencyvisible light

Radiation the eye detects

visible spectrum · optical

Family

radiofrequency

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Abstract · Rated G