Bluetooth technology is preparing for a significant performance upgrade. The Bluetooth Special Interest Group (SIG), which manages the wireless standard, has officially adopted a new feature called High Data Throughput (HDT). The technology increases Bluetooth Low Energy's maximum supported data rate to 7.5Mbps, nearly four times the previous 2Mbps limit.
Bluetooth HDT is part of the recently adopted Bluetooth Core 7.0 specification. The upgrade is designed to make wireless data transfers faster while improving capacity, power efficiency and connection reliability.
One of the first major applications planned for Bluetooth HDT is premium wireless audio. The technology is expected to provide high-resolution audio as well as multichannel and spatial audio capabilities.
The Bluetooth SIG believes that the compatible audio devices will be available by 2027. Increased data transmission capability may facilitate better quality audio playback without depending on any proprietary wireless technology.
However, the users would require compatible hardware for utilizing the improved performances. The reason being that Bluetooth HDT has introduced a new physical layer which means older Bluetooth devices are not able to operate at the new speeds.
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The improvements are not limited to headphones and speakers. Bluetooth HDT could also make data transfers between smartwatches and smartphones considerably quicker.
For example, wearables could synchronise larger volumes of health and fitness information in less time. Smart glasses and other AI-powered devices could also transfer data to smartphones more efficiently for processing.
The technology may benefit smart home products as well. Firmware updates for connected accessories could take less time, reducing interruptions during routine maintenance. The upgrade also aims to maintain more consistent connections in demanding wireless environments. With its adoption in Bluetooth Core 7.0, HDT provides a foundation for more data-intensive wireless applications across consumer, industrial and commercial markets.