The Electromagnetic Spectrum

Everything we broadcast, navigate by, and see — on one continuous scale. Allocations and licences shown for the U.S. (FCC).

ν, hertz (log)

Showing 1 Hz to 1 YHz.

Sources & credits

Data sources

The primary references for the whole dataset. Individual allocations may cite an additional source in their detail card.

Credits

Built by Exagrow Studios and Andrew SC Ahlfield.

© 2026 Exagrow Studios and Andrew SC Ahlfield

Code licensed under Apache 2.0; allocation data under CC BY 4.0.

Developed using Claude Code (Opus 4.8) and the Addyosmani agent skills v0.6.2. Built with SvelteKit.

EM Frequency Explorer · v0.23.0
Content layers
Operator licence
Axis & scale
Inspector
Wi-Fi 2.4 2.45 GHz
Microwave · λ 12 cm · 2.4 GHz – 2.48 GHz

Shared ISM band: Wi-Fi ch 1/6/11, Bluetooth, Zigbee, microwave ovens.

Source: FCC Table of Frequency Allocations (47 CFR §2.106)