Bluetooth module has 1.2, 2.0, 2.1, 4.0 and latest 4.1, 5.0 version according to the standard.

 

Bluetooth module can be divided into Bluetooth module and voice Bluetooth module according to its usage. The former can finish wireless data transmission while the latter can finish the wireless data transmission of voice and stereo audio.

 

Bluetooth module can be divided into flash version and ROM version according to chip design. The former usually uses a ball grid array(BGA) packaging with external flash. The latter usually uses a quad flat pack (QFP) packaging with external EEPROM.

 

According to chip manufacturers, Bluetooth module includes USRIOT Bluetooth module, Broadcom Bluetooth module, Dell Bluetooth module, and CSR Bluetooth module.

 

According to its usage Bluetooth module can be divided into data Bluetooth module, serial port Bluetooth module, voice Bluetooth module, and car Bluetooth module.

 

According to power, Bluetooth modules can be divided into CLASS1, CLASS2, and CLASS3.

 

According to the application and support protocol, Bluetooth module can be divided into the classic Bluetooth module (BT) and low-power Bluetooth module (BLE).

 

According to the support of the protocol, Bluetooth module can be divided into a single-mode Bluetooth module and dual-mode Bluetooth module.

 

According to the application, Bluetooth module can be divided into Bluetooth data module and Bluetooth audio module.

 

According to the temperature, Bluetooth module can be divided into the industrial and commercial level.