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About H&I Products
Harmonics & Intermodulation (FM Band) — RF Calculator & Visualization Tool
HIProducts is a practical tool for RF/communication engineers and radio/frequency analysis users.
By entering F1 and F2 (FM Band) values, it automatically calculates harmonics and intermodulation products and visualizes them in a graph.
Graphs can be saved as images or shared with other apps via the iOS Share Sheet.
How to Use
1. Enter F1 and F2 (FM Band) values.
2. Tap the "Generate" button to create a graph.
3. Pinch with two fingers to zoom in/out on the graph.
(Zoom is also possible using the + / - buttons)
4. Use the Share button to save or share as an image/PDF.
What's new in the latest
Last updated on Mar 29, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Videos and Screenshots
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