How do I select the right Bluetooth module?

Answer

When selecting a Bluetooth module, consider your application's specific requirements, including the need for Bluetooth Classic or Low Energy (BLE), data rate, transmission range, and power consumption. Evaluate the module's antenna type, vendor reputation, and compliance with relevant standards. The choice between Bluetooth Classic and BLE depends on your project's needs for data transfer speed, range, and power efficiency. 

Additionally, consider the module's interface options (such as UART, SPI, I2C, or USB) to ensure compatibility with your system. The chipset is crucial for performance and capabilities, so choose from reputable manufacturers. Lastly, select the appropriate packaging type (in-line, surface mount, or serial port adapter) based on your production volume and integration method.