The differences between Bluetooth chips 5.2 and 5.3 are as follows:
One, low rate connection
1, some data transmission can not be delivered in Bluetooth 5.2 due to low rate.
2. And Bluetooth 5.3 solves this problem by making low-power, low-rate signals available.
3, this is mainly in the blood glucose meter and some other medical equipment, the emergence of 5.3 greatly optimize the medical work.
Two, encryption control enhancements
1, for some open signals, such as access control, commercial lighting and other equipment.
2. Bluetooth 5.3 enhances their encryption key length control options for improved security.
3. Also, it's faster when connecting due to simpler administrator controls.
3. Periodic Broadcast Enhancements
1. Bluetooth 5.2 is required to periodically broadcast to connected devices.
2. And Bluetooth 5.3 will improve broadcast stability so you can do more with your broadcast time.
Summary: Bluetooth 5.3 compared to Bluetooth 5.2 does add some new features, but overall the difference is not very big, now more popular on the market is the Bluetooth 5.0 version, but the emergence of the 5.3 version of the Bluetooth does also make the performance of the Bluetooth has been further improved.