RF Analyzer (FOSS)

RF Analyzer turns your Android device into a real-time spectrum analyzer for

Software Defined Radio (SDR). Visualize and listen to radio signals around

you - from amateur radio to broadcast signals and beyond.

Whether you're a curious beginner or a seasoned ham, RF Analyzer offers a

hands-on, interactive way to explore radio signals.

FEATURES

- Works with HackRF, RTL-SDR, Airspy, Airspy HF, HydraSDR or pre-recorded IQ files

- View live spectrum (FFT) and waterfall plots

- Demodulate AM, FM, SSB, and CW signals

- Record raw IQ samples for offline analysis

- A responsive and modern Material Design interface

- Scroll, zoom, and tune through the bands

- Built-in context-aware help and a full offline in-app manual

- Bookmarks for Stations and Bands

- Import from SDR# or SDR++

- Automatically synchronize with online lists (EiBi DB, POTA & SOTA Spots)

REQUIREMENTS

- Android phone or tablet (with USB OTG support)

- Supported SDR hardware (HackRF, RTL-SDR, Airspy (HF+) or HydraSDR)

Note: The RTL-SDR Blog v4 is fully supported.

- USB OTG adapter (USB-A female to USB-C for modern phones)

Note: This is not necessary for SDRs with USB-C connector (e.g. the HydraSDR)

LEARN MORE

Want to go deeper? The full user manual is available online with signal

identification tips, ham radio basics, and more: