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Trunking Recorder

Trunking Recorder is an application for recording audio from trunked radio systems monitored by Unitrunker or SDRTrunk. Trunking Recorder will record audio only when a talkgroup is active and will separate the recorded audio into individual wave files for each talkgroup.

Trunking Recorder main window


  • Record Unitrunker version 1 and 2 calls.
  • Import SDRTrunk call recordings. (Requires SDRTrunk 0.4.0 final or newer)
  • Upload call recordings to Broadcastify or another Trunking Recorder server.
  • Store third-party call recordings in Trunking Recorder. Trunking Recorder API documentation
  • Record multiple Unitrunker voice receivers at the same time.
  • Send email alerts with audio when talkgroup is recorded.
  • Search for calls by talkgroup, radio user, system, site, type, and date.
  • Saves audio in wave or mp3 formats.
  • Custom MetaData formatting.
  • Auto call streaming queue.
  • Built-in webserver for real-time audio playback.
  • Creates separate audio files for each talkgroup using talkgroup ID and label value set in Unitrunker or SDRTrunk.
  • Automatic old call purging.
  • Custom call filename options.
  • Automatically create new audio files each day, each conversation, or each transmission.
  • Tested on Microsoft Windows 8.1 and Windows 10.
  • Supports Edge, Chrome, and Firefox.
  • Supports Android and Apple mobile devices.


Trunking recorder includes a built-in webserver that provides real-time access to all recorded calls using your web browser. Calls will be displayed as soon as the call is finished recording. You also have the ability to search for specific talkgroups and dates.

Trunking Recorder Website


Trunking Recorder v3.2.4886 (64-bit)

Version History

Trunking Recorder Installation

Installation instructions

Email notification instructions



Setup Diagram

Setup Diagram
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