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August 19, 2017
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ASI Tuner Cards

The ASI8921 series are professional broadcast tuner adapters designed for broadcast monitoring and logging, advertising verification and content identification.

The ASI8921 is based on tuner modules. Each module has four tuners on it and the ASI8921 can hold a maximum of two modules.

Up to eight different channels of AM or FM can be received and recorded simultaneously from a single antenna input. Recording formats include PCM and MPEG-1 layer2 and MPEG-1 Layer 3 (MP3).

Models currently available are:

  • ASI8921-1000 - 4 AM/FM/RBDS/RDS tuners
  • ASI8921-1100 - 8 AM/FM/RBDS/RDS tuners
  • ASI8921-2000 - 4 AM/FM/RBDS/RDS tuners + MCX external antenna jacks
  • ASI8921-2200 - 8 AM/FM/RBDS/RDS tuners + MCX external antenna jacks

The block diagram shows the technical capabilities of the ASI 8921 series.


  • Up to 8 channels of AM/FM audio capture
  • Up to 8 channels of FM RBDS/RDS data capture
  • AM/FM tuners can be fed from individual external antennas
  • Audio monitoring of all tuners simultaneously
  • MRX technology allows each stream to have an independent sample rate of between 8 and 48kHz
  • PCM and MPEG-1 Layer 2 and MP3 recording formats
  • Half-length PCI card
  • Up to 8 cards in one system
  • Windows XP/7/8/10 & Server 2003/2008/2012 and Linux software drivers available
with cable set
with cable set
with cable set
with cable set