https://www.pistack.xyz/tags/spectrum-analysis/ Recent content in Spectrum-Analysis on Pi Stack Hugo en-us Sun, 07 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-07-self-hosted-rf-spectrum-analysis-rtl-power-spektrum-rtl433-guide/ Sun, 07 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-07-self-hosted-rf-spectrum-analysis-rtl-power-spektrum-rtl433-guide/ <h2 id="introduction">Introduction</h2> <p>Radio frequency (RF) spectrum analysis is essential for anyone deploying wireless devices, troubleshooting interference, or monitoring ISM band activity. While professional spectrum analyzers can cost thousands of dollars, a combination of open-source software and inexpensive RTL-SDR dongles provides a capable self-hosted alternative for continuous RF monitoring. With a $30 USB dongle and a Raspberry Pi, you can set up a permanent spectrum monitoring station that tracks signal activity 24/7.</p>