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Software Products

Bluetooth Qualified stacks with full feature sets for host, controller, and LC3 codec.



World-leading Bluetooth host solution designed specifically for resource constrained and power sensitive embedded systems.

Built on a legacy of first-to-market qualifications and more than 100M product shipments, Packetcraft Host is a world-leading Bluetooth host stack solution designed specifically for power sensitive embedded systems.

Consisting of the LE host protocol stack, GATT profiles, and new LE Audio profiles, Packetcraft Host is a production-ready solution for semiconductor and product companies.

  • Full BLE 5.3 feature set including EATT

  • Bluetooth 5.3 qualified

  • Profiles and sample applications for LE Audio

  • APIs for direction finding

  • Suite of popular standard profiles with easy-to-use sample applications



Packetcraft Controller sets a high bar for features, robustness, and efficiency.

With the world's first link layer with qualified Bluetooth 5.3 isochronous channels, Packetcraft Controller sets  the bar for features, robustness, and efficiency. Packetcraft Controller implements a Bluetooth 5.3 link layer with optional 802.15.4 MAC, using a common radio event scheduler for simultaneous combo operation. Packetcraft Controller is ideal for Bluetooth chip companies looking to develop unique products with full access to source code.

  • Full BLE 5.3 feature set including isochronous BIS and CIS, ISOAL, and LE power control

  • Simultaneous BLE and 802.15.4 operation

  • Full BLE 5.1 feature set including 2Mbps, long range, extended advertising and scanning, AoA and AoD

  • Bluetooth 5.3 qualified 

  • Architected for portability to different radios

An evaluation version of Packetcraft Controller is available for download.

Packetcraft LC3

Optimized, high performance Bluetooth LC3 solution designed for low power embedded Bluetooth LE Audio products.

Bluetooth LE Audio introduces a new codec, called LC3, that dramatically improves audio quality, reduces power, and improves latency compared to Bluetooth Classic Audio. 

Packetcraft LC3 is highly optimized for the Arm® Cortex®-M4, Cortex-M33, and Cortex-M55 processors.  It is capable of supporting demanding audio use cases running multiple codec instances on a single processor, without requiring a dedicated DSP.  When combined with Packetcraft Host and Packetcraft Controller, licensees get a comprehensive, fully-integrated and commercial-ready Bluetooth LE Audio software solution from a single vendor. 


  • Industry-leading MIPS performance 

  • Full Bluetooth LC3 1.0 feature set 

  • Bluetooth LC3 1.0 qualified 

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