Getting started

FreqSense works from two facts: the country you are in and the gear you are carrying. The spectrum picture, the free windows and the coordinated channel list all follow from those two choices.

Quick start

1. Open FreqSense from the dashboard. It needs a tablet or laptop.
2. Set Region / Regulatory Framework to the country you are physically in. The spectrum redraws with that region's TV-channel grid, mobile bands, guard bands and allowed ranges.
3. Under Manufacturer / Band Filter, type your brand and pick the Band / Model. Press + Pin to spectrum to keep its tuning range on the spectrum as an overlay, so you can see whether it reaches usable spectrum.
4. In Coordinate N Channels, set N (channels) (1–64) and the Channel spacing (200, 400 or 800 kHz), then press Coordinate. The frequencies land on the 25 kHz raster, in allowed spectrum, clean against each other's intermod.
5. Read the line under the table. Plan check: clean in green means every row passed; otherwise the rows with a problem carry ⚠ — see The plan check.
6. Type the Talent for each row and set its Role — Mic or IEM — so the sheet reads like a show.
7. Open Saved plans and press + Save current. Saved plans sync to your account, so the plan you build on the laptop is on the tablet at the venue.

Carrying mics and in-ears? Pick the second band and press Coordinate again — the first band's rows stay where they are. See Find free windows and coordinate channels.

The screen

• Frequency Spectrum — the main drawing, 400–960 MHz. Zoom presets: PMSE (470–694), UHF (470–960) and Full (400–960). Hover for the channel tooltip, click to pin it, or step through channels with the arrow keys. The legend separates Usable — confirm with a scan, Occupied / 5G, 4G / 5G Cellular, Protected / guard band and Scan trace. Your channels and any intermod hits are marked on it.
• Regulatory Status — country, authority, status and notes for the selected band. Badges read Free (no application needed), Required (a licence is needed), Partial, Prohibited or Outside. Each band links its Source — the regulator's order — and shows valid until where the order sets an end date; each country shows as of — the date its data was last checked.
• Free Coordination Windows (the windows panel) — a card per free gap with its width, how many channels fit and suggested frequencies. See Find free windows and coordinate channels.
• Coordinate N Channels — the channel table, the plan check and the backups.
• Field Notes — six practical cards, collapsed by default.
• Scan import — see Import a scan.

Core concepts

• Region is a legal choice, not a preference. Band plans, licence status and end dates differ per country. The spectrum selector has eight regions (DE, UK, US, EU, FR, JP, AU, CA); the regulatory table lists fourteen countries. Spain is not its own spectrum region — plan with EU and read Spain's row (ES) in the table.
• Germany, for example: 470–608 and 614–698 MHz for professional production at 50 mW until 31.12.2030, 736–753 MHz for everyone, and the 821.5–832 MHz duplex gap. The German rules are written up at /rf-cheatsheet/funkfrequenzen-deutschland.
• The TV grid is not TV occupancy. FreqSense draws where TV channels sit, not which transmitters are on air near you. Only a scan shows that — see Import a scan.
• Intermod products are where your own transmitters mix and land on another frequency. The packer and the plan check cover 3rd order (2A−B and A+B−C, two and three transmitters) and 5th order (3A−2B), including a product that lands exactly on one of your channels.

Your working plan survives a reload and a trip through the sidebar. Saved plans, your theme, the colour-blind-safe pattern overlay and the tool language follow your account. If a plan from another device arrives while the page is open, a toast says Account data arrived — reload to see the latest.

Next

• Find free windows and coordinate channels — windows, coordination, several bands and backups.
• The plan check — the ⚠ reasons and how to clear them.
• Import a scan — bring the venue's real RF into the plan.
• Export to WWB, WSM and paper — hand the plan to WWB, WSM or paper.