Spektrum is a spectrum analyzer software for use with rtl-sdr.
The biggest advantage is that it can do sweeps across a large frequency span.
User interface part is written in Processing.
Publisher’s description
What is Spektrum?
Spektrum by Pavel Sorejs is open-source Windows software. It is written in Processing.
Installation and requirements
The publisher provides Portable installers for 64-bit Windows. It runs without installation (portable).
Popularity and file types
The source code on GitHub (pavels/spektrum) has 707 stars.
Project description on GitHub: “rtl-sdr spectrum analyzer”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
Cons
- No native ARM64 build
- No update for more than a year
In short: Spektrum is an open-source Windows tool for 64-bit PCs. Updates have slowed down.
Is Spektrum safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
2411517D5B8E373D0E9EC52939B82012C4FD07CE0AB3F17DDEE32C90FAE4B6B2· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.1.0Latest | December 8, 2021 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id pavels.spektrum -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- Pavel Sorejs
- Licence
- BSD-3-Clause
- Price
- Free
- Source code
- github.com/pavels/spektrum
- Written in
- Processing
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 2.1.0
- Released
- December 8, 2021
- Added to the catalogue
- October 17, 2025
- Versions listed
- 1
- GitHub stars
- 707
- GitHub forks
- 100
- Website
- github.com
- winget ID
- pavels.spektrum
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is Spektrum free?
Yes. Spektrum is open-source software under the BSD-3-Clause licence.
Is Spektrum safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Spektrum with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does Spektrum run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use Spektrum without administrator rights?
Yes, it is portable: unpack and run it.