![]() This was the first version of Bluetooth released, back in 1999. Backwards compatibility improved, too.īluetooth 1.1 had data transfer rates of 0.7 Mb per second as well. Major improvements to reliability and interoperability were made in this version of Bluetooth. Pairing was faster and there was less interference with Wi-Fi signals.ĭata transfer for Bluetooth 1.2 was still stuck at 0.7 Mb per second, though. New advancements, including Basic Data Rate and Adaptive Frequency Hopping technology, made this version of Bluetooth much more useful. It wasn’t until 2003 that Bluetooth became the “gold standard” for wireless data transfer. That skyrocketed the data transfer rate from under 1 Mb per second to 3 Mb per second. Sometimes called Bluetooth 2.0 + EDR, this version of Bluetooth leveraged 3-bit encoding instead of one bit encoding. Encryption was fully integrated and made mandatory with the even lower power consumption levels.ĭata transfer rates stayed pegged at 3 Mb per second. This version of Bluetooth introduced Secure Simple Pairing, providing a lightning-fast, streamlined and more secure pairing system. ![]() This protocol initiated connections via Bluetooth, but then transmitted data over the faster Wi-Fi frequency.ĭata transfer speeds of up to 24 Mb per second were now possible. This version of Bluetooth got the “High Speed” designation. Bluetooth 4.0 (2010)īluetooth 4.0 introduced a brand-new low-power Bluetooth set up, branded as “Bluetooth Smart.” Data transfer speeds were rolled back to 3 Mb per second. New Bluetooth 4.1 devices could communicate with one another, connecting at both the client and the hub simultaneously.ĭata transfer rates were still limited to 3 Mb per second, though. This Bluetooth upgrade made for much more efficient data exchanges, as well as improved relationships with devices leveraging LTE frequencies. This version also introduced support for WPAN and 6LoWPAN connections. Bluetooth 4.2 (2014)ĭesigned specifically to make the “Internet of Things” possible, this iteration of Bluetooth dramatically increased the payload size of individual Bluetooth packets, multiplying it by 10. Data continues to be transferred at 3 Mb per second. Bluetooth 5.0 (2016)īluetooth 5.0 brought some significant power saving solutions to the protocol, as well as an increased overall outdoor transmission range from just 50 m to 200 m. ![]() Data transfer speeds remained at 3 Mb per second. This was another iterative upgrade of Bluetooth, adding mesh network capabilities to the Bluetooth 5.0 structure. The biggest upgrade for Bluetooth 5.2 from 5.1 was the integration of Isochronous Channels to improve LE Audio implementation across this wireless signal.ĭata transfer speeds were still 3 Mb per second with this version of Bluetooth, and it looks like that will remain the standard moving forward. If you would like a more technical, in-depth explanation of Bluetooth 5.3 then this information is available via the Bluetooth website.īluetooth 5.2 was first introduced during CES 2020 in January. These were removed due to the overall lack of use of this feature. With the removal of alternate media access control (MAC) and physical layer extension (PHY), users of these features will have to stick with earlier Bluetooth versions. This improves performance for LE Bluetooth devices. Connection subtracting creates a better user experience when transitioning from a low duty cycle to a high duty cycle.Īn enhancement to the channel classification feature now means Bluetooth Low Energy (LE) devices can process the channel classification and adjust the channel map, which is used for frequency hopping. Latest: Bluetooth 5.3 (2021)īluetooth 5.3 has a Periodic Advertising Enhancement, which basically allows the receiving device to not have to process data twice.Įncryption key size control enhancements have improved signal efficiency, making the process more streamlined. Updates come with improvements, and that’s why the most recent version is the best so far. Here’s a list of every Bluetooth version that’s been released to date, with an easy-to-understand explanation of what’s changed. It can be found in a wide range of products, such as the iPhone 14 range of smartphones and AirPods Pro (second generation).īluetooth speakers and earbuds with Bluetooth 5.3 have increased reliability and better energy efficiency. ![]() Bluetooth 5.3 is the latest version of Bluetooth currently available.
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