Downloads
SD-card images
Ready-made images for the single-board computers. Pick the one for your board:
| Board | Image | Size |
|---|---|---|
| Radxa ROCK 3C | sich-rock-3c-bookworm.img.gz | ~1.1 GB |
| Raspberry Pi 4B | sich-rpi4b-bookworm.img.gz | ~1.2 GB |
Flash the .img.gz file as is
Do not unpack the archive manually — balenaEtcher understands the .gz format directly.
How to flash — step-by-step guide.
RC script
The channel-forwarding LUA script for RadioMaster remotes:
| File | Purpose |
|---|---|
| rc.lua | Put into the SCRIPTS/TOOLS folder on the remote |
How to set up the remote — Control → Remote.
Operator app
Download SichRTC for Windows / Linux →
Windows — the .exe file, Linux — .AppImage. Updates happen from the app itself: Settings → Updates.
How to install — Installing the app, registration and sign-in — a separate page.