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AVD Module with Audio Data Stack

Audio Data Stack

Whether you’re developing audio-, voice- or data-based wireless applications, the DA14AVDDECT offers you the fastest and easiest route to market. It combines everything you need for world-class wireless performance in a single compact module.

Fully RF tested and certified, it doesn’t require any in-depth RF knowledge or resources to use. Just drop it in and you’re ready to go.

The Dialog DA14AVDDECT Audio Voice Data module is a complete solution for next-generation wireless applications. It contains all the hardware necessary, including a state-of-the-art DECT radio, a multi-core, power amplifier, stereo CODEC, battery management and onboard antenna. You can tailor the module to your target application area simply by downloading and installing one of our optimized software stacks who also supports over-the-air upgrades.

Differences between the Audio Data Stack (AVD Module) and the Wireless Audio Module (WAM)

  Audio Data Stack WAM
Data Rate 1.6kb/s 1.6kb/s
Number of PP in a conference N/A N/A
Number of PP in PA/TG 1024 128
Full Duplex / return channels 1 0
Voice/Audio Bandwidth 20kHz 11.3kHz
Latency 10ms 10ms
Battery Charging NiMH / Li-Ion batteries 2 Cell NiMH
Programmability Flexible API Interface None


  • Supports up to 4 microphones (PP) on one receiver (FP)
  • 16kHz audio bandwith high end voice/audio quality
  • Transmitter (PP) consumes down to 46mA (LPM) when talking
  • 20kHz audio bandwidth for super high-end voice/audio quality
  • One full duplex return channel with the guide for interactioin
  • Supports up to 1024 listeners in one group
  • Receiver (PP) consumes down to 35 mA (LPM) when listening


  • Public Address
    • Outdoor events
    • School classrooms
    • Church usage
  • Tour Guide
    • Training and Collaboration
    • Language Interpretation
    • Event Production/Intercom
    • Assistive Listening
    • Group Tours


Product Briefs and Summaries


User guides and manuals