Nordic claims first silicon demonstration of Bluetooth High Data Throughput

Nordic Semiconductor says it has become the first vendor to demonstrate the upcoming Bluetooth High Data Throughput (HDT) feature running in silicon. The company describes HDT as a major enhancement to Bluetooth Low Energy, increasing maximum transfer speed by almost fourfold while keeping the existing Bluetooth LE radio, software stack and tooling.

According to Nordic, HDT achieves the higher throughput by letting the radio pack more data into each transmission and by supporting longer packets, rather than by introducing a separate wireless technology. The company states that the feature is expected to be released by the Bluetooth Special Interest Group (SIG) in late 2026, and that its demonstration shows support ahead of that formal specification release.

Nordic says it intends to bring HDT to developers through the same software, tools and development experience already used with its existing Bluetooth LE products, meaning designers would be able to add the higher data rate without moving to a new stack, toolchain or supplier. The company lists wearables, smart home devices, PC accessories and hearing aids among the Bluetooth LE product categories it expects to benefit, citing retained energy efficiency alongside the faster transfer.

The demonstration is a silicon proof of the feature ahead of the SIG's expected late-2026 specification release, rather than a shipping product; Nordic has not stated when HDT-enabled devices or software support will become commercially available. The company says it will show the technology at electronica 2026 in Munich and is inviting product designers to register interest in Bluetooth HDT through its website.