The Infinite Spectrum Scroll
Explore the electromagnetic spectrum from the lowest frequencies to visible light. Drag to pan, scroll to zoom. Click on bands to learn more and hear what they "sound" like.
Click on a colored band to explore...
Scroll: Drag | Zoom: Scroll Wheel
Viewing: 1 Hz to 1.0 kHz
Audio & ELF
0 Hz - 300 kHz. Mains hum, submarines, and the sounds we hear.
Radio Frequency
300 kHz - 300 MHz. AM/FM Radio, old TV, and long-range comms.
Microwaves
300 MHz - 300 GHz. WiFi, GPS, Radar, and 5G cellular.
Optical
300 GHz+. Infrared heat and the Visible Light rainbow.