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 & Andrew SC Ahlfield · © 2026.

Open source on GitHub—code under Apache 2.0, 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 · v0.36.0
Content layers
Operator licence
Visible light · sources
Allocation · §2.106 services
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/NTIA Table of Frequency Allocations (47 CFR §2.106)