SmartSDR

The software is the radio

Version 4 SmartSDR Now Available!

SSDR for Windows

The new industry standard.

SSDR for Mac

Now available for Mac OS!

SSDR for iOS

Bring SSDR to your iPhone or iPad!

FlexRadio announces the availability of SmartSDR v4.0.1, a general release containing software fixes and major updates, and new features.

What’s new:

SmartSDR v4.0.1. introduces a wide range of signal-processing and usability enhancements across the Aurora, FLEX-8000 and FLEX-6000 series radios.
All bug fixes and some minor features are part of the SmartSDR Basic license, while new features require SmartSDR+ or SmartSDR Enhanced Audio (EA) licenses.

View the Release Notes

Included in SmartSDR Basic™

  • NR (Noise Reduction) – Updated algorithm for improved performance
  • NB (Noise Blanker) – Same as previous release
  • ANF (Automatic Notch Filter) – Updated algorithm for better interference suppression

Available with SmartSDR+™ or SmartSDR+ Early Access™

  • Noise Floor Scaling – Visual display of the noise floor location
  • CW AutoTune – Automatically tunes to the loudest CW signal in the passband
  • ESC (Enhanced Signal Clarity / Beam Steering) – Improves clarity using beam steering
  • DVK (Digital Voice Keyer) – Provides built-in digital voice playback
  • NRF / NRL / NRS / RNN / ANFL / ANFT – Multiple advanced noise reduction and filtering options, including LMS-based algorithms, spectral subtraction with voice detection, and AI-driven noise reduction

  • Become an expert

    Dig into the documentation

  • API

    Learn about the API and our Developer Program

  • Works with FLEX

    Great partners that interface directly with FLEX

SmartSDR in action

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