RTL-SDR 433

RTL-SDR 433 — Decode Wireless Sensors in Real Time Turn your Android device into a powerful 433 MHz receiver using an RTL-SDR USB dongle. Decode and monitor wireless sensor data live — fully offline and directly on your device. 📡 Real-Time 433 MHz Decoding Supports weather stations, doorbells, PIR sensors, power meters, and more Built on the proven rtl_433 decoding engine 250+ supported device protocols ⚡ Works Fully Offline No cloud required No internet connection needed All decoding happens locally on your device 📊 Live Monitoring & History Live sensor list with latest readings Full history view of all received signals Automatic updates in real time ⚙️ Advanced Configuration Adjustable frequency (default: 433.92 MHz) Tuner gain control PPM frequency correction Sample rate selection Unit system (SI / Customary) 🔌 Easy USB Setup Works with RTL-SDR USB dongles (RTL2832U-based) Uses Android USB OTG (no root required) Quick start: plug in, grant permission, start decoding 💎 Premium Upgrade Free version: session reading limit (100 → 80 → 60 → 40 → 20 per session, decreasing) One-time purchase unlocks unlimited usage Restore purchases anytime via settings 📱 Requirements Android 10 or higher USB OTG support Compatible RTL-SDR dongle 🔒 Privacy First No tracking No cloud services 📄 Additional Information Built with modern Android (Jetpack Compose & Material 3)