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)