rtl-sdr.com
RTL-SDR (RTL2832U) and software defined radio news and projects. Also featuring Airspy, HackRF, FCD, SDRplay and more.
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      • Air and Marine
        • ADS-B Aircraft Radar
        • ACARS Decoding
        • AIS Ship Tracking
        • Decoding Weather Balloons
      • Satellite
        • NOAA Weather Satellites
        • Meteor-M Weather Satellites
        • GOES 16/17 and GK-2A Weather Satellite Tutorial
        • Inmarsat STD-C NCS EGC Decoding
        • Decoding and Plotting GPS
        • Decoding HRPT Weather Satellite Images
      • Terrestrial
        • P25 P1 Digital Voice Decoding
        • P25 P2 Decoding with OP25
        • Trunked Radio Following
        • POCSAG Pager Decoding
        • TETRA Voice Decoding
        • Analyzing GSM Signals
        • DRM Radio Decoding
        • Decoding 433 MHz ISM Band Weather Stations
      • Single Board Computer
        • QRP (FT8, JT9, WSPR etc) Monitoring Station
        • Performing Replay Attacks with RTL-SDR and RpiTX
      • Radio Astronomy
        • Radio Astronomy Overview
        • Hydrogen Line Galactic Radio Astronomy
      • Other
        • Measuring Filter Characteristics & VSWR
        • SpyServer Tutorial
        • Using the V3 Bias Tee on PiAware
        • Properly Positioning a Preamp/LNA
    • Product Reviews
      • SDRs
        • Airspy HF+ Review
        • Airspy vs. SDRplay vs. HackRF
        • SDRplay RSP1A
        • SDRplay RSP2
        • FlightAware ADS-B RTL-SDR
        • Outernet Dreamcatcher
        • LimeSDR Review
        • LimeSDR Mini
        • ThumbNet N3
        • Airspy Mini
        • PlutoSDR Unboxing
        • PlutoSDR Tests
        • KiwiSDR Review
        • FlightAware Prostick vs Prostick Plus
        • HackRF PortaPack Review
      • SpyVerter Upconverter
      • 9A4QV Folded Monopole ADS-B Antenna
      • FlightAware ADS-B Antenna and Filter
      • Outernet LNA and Patch Antenna
      • moRFeus Review
    • Interesting
      • TEMPEST with SDR
      • Listening to HD Radio
      • Receiving Dead Satellites
      • Listening to SCA Broadcasts
      • Live ADS-B Aircraft Cockpit
      • Transmitting with a Raspberry Pi
    • Quick Start Guides
      • RTL-SDR QSG
      • V3 Features Users Guide
      • SDRSharp Users Guide
      • PlutoSDR QSG
    • Direct Sampling Mod
    • Roundup of Software Defined Radios
    • KerberosSDR
      • KerberosSDR Quickstart Guide
      • Direction Finding Android Demo
      • Direction Finding Android Tutorial
      • SignalsEverywhere Direction Finding Tutorial
      • Networked Direction Finding
      • Measuring Traffic Volumes with Passive Radar
  • Software
    • RTL-SDR Supported Software
    • List of SDRSharp Plugins
    • Experimental Drivers
      • Experimental HF Driver
      • Manual gain controls and decimation driver
      • ExtIO with Decimation & Tuner Bandwidth Controls
      • Keenerds Driver
      • L-Band Heat Issue Driver
  • Signal ID Wiki
  • Forum
  • RTL-SDR Store
  • Guide Book
  • Contact

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Recent Posts

  • Eavesdropping on Sensitive Data via Unencrypted Geostationary Satellites
  • SignalsEverywhere Software and Video Updates: Benshi Dash, AI Vibe Coding SDR Apps, Android NTSC Receiver, NOAA SAME Encoder
  • A New Software Automatic Gain Control Algorithm C Library for RTL-SDR and other SDRs
  • Our Review of the Vivid Unit GPSDR: A Portable Single Board Computer with Screen and RTL-SDR Expansion Board
  • Two YouTube Reviews of the new PortaRF – A New HackRF Portapack Combo

Recent Comments

  • admin on Submit a Story/Contact: “Just confirming that we already replied to your email, and there should be no import taxes charged by your government…” Oct 21, 09:15
  • admin on Submit a Story/Contact: “Hi, if there was a packing error, please email us at [email protected] with your order ID number and the problem,…” Oct 21, 09:14
  • admin on Submit a Story/Contact: “Hi, there is no component labelled 42ML, can you circle it on an image of the PCB?” Oct 21, 09:13
  • Nikos on Submit a Story/Contact: “Hello, I have the rtl_sdr V4 and by mistake I activated the bias on GQRX while having a J Pole…” Oct 20, 19:54
  • escape road on André shares his QO-100 Ground Station and HF/VHF/UHF Station: “a rail block power terminal, a coaxial relay for selecting between the Mini-Whip and Discone antennas, and a ham-it-up upgrade…” Oct 20, 17:51
  • drmatrix on rtl_433 ported to ESP32 microcontrollers with CC1101 or SX127X Transceiver Chips: “OLED usage https://techcoderadio.blogspot.com/2025/10/modifying-lilygo-t3-lora32-rtl433-esp.html” Oct 20, 13:47
  • Cengiz Kaya on Submit a Story/Contact: “Dear To whom it may concern, My Order Number #64802  I requested the V3 version. The materials have arrived, but…” Oct 20, 08:43

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ads-b airspy AIS amateur radio android antenna APT Automatic dependent surveillance broadcast DAB direction finding E4000 gnu radio GOES GPS hackrf HF hydrogen line inmarsat kerberossdr krakensdr l-band limesdr LNA NOAA outernet P25 passive radar plutosdr R820T radio astronomy radio direction finding raspberry pi reverse engineering rtl-sdr rtl2832 rtl2832u satellite sdr# sdrplay sdrsharp security Software-defined radio upconverter usrp weather satellite

RSS Latest Forum Posts

  • Troubleshooting Help • FM Manager Suite - SDR# x64 Not Showing in List
  • RTL-SDR Discussion • Re: 2 RTL-SDRs on same computer
  • RTL-SDR Discussion • 2 RTL-SDRs on same computer
  • RTL-SDR Discussion • Re: RTL-SDR Aircraft Setup Issue
  • RTL-SDR Discussion • Re: Tracking UAPs - best option?

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What is RTL-SDR

The RTL-SDR is an ultra cheap software defined radio based on DVB-T TV tuners with RTL2832U chips. The RTL-SDR can be used as a wide band radio scanner. It may interest ham radio enthusiasts, hardware hackers, tinkerers and anyone interested in RF.
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