- The latest standard of Bluetooth as on this date is 5.4
- There are several Bluetooth + MCU transceivers available in the market. They are called by the name Wireless MCU
- The advantage of modern day Bluetooth transceivers is low power and long range
- The modern day BLE transceivers can transmit at a higher rate as well.
- Based on Maximum power output of Bluetooth module, they are divided into classes - 1,1.5,2,3
- Class 1 BLE devices can transmit up to maximum power of +20dBm which is 0.1W
- Security is the very important factor in modern day BLE transceivers. The below points cover the security aspects
- Arm TrustZone
- Secure boot
- Root of Trust
- Application security
- Data security
- Secure key management
- Longer battery life of the devices employing BLE chips is of primary importance. For example, a BLE enabled device can run on RTC coin cell for periods up to 10 years.