Bluetooth version 5.3 has a great advantage that it can transmit some low-rate data, which is impossible in Bluetooth version 5.2. The advantage of Bluetooth version 5.3 is that even low-power and low-rate signals will not affect the use. This function is probably the most common in medical equipment such as blood glucose meter at present, and 5.3 is really helpful for the optimization of medical equipment.
Second, the encryption control enhancement is different.
Bluetooth 5.3 improves the control of encryption key length, so the security has been greatly improved. This function is more suitable for some open signals, such as access control, commercial lighting and other equipment, and for managers, the operation control is also very simple and the connection speed is greatly improved.
Third, the periodic broadcast enhancement is different.
Compared with 5.2, the broadcast function of Bluetooth 5.3 is more stable. 5.2 You need to broadcast to connected devices regularly, but with Bluetooth 5.3, you can do more with the broadcast time.