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BC04-B Bluetooth module is Bo Lu, Shenzhen Electronic Technology Co., Ltd. for intelligent wireless data transfer and build, 

The British company CSR BlueCore4-Ext chip, follow the Bluetooth specification V2.1 + EDR, built-in antenna. Low cost, 

Small size, low power consumption, the transceiver sensitivity advantages, just with a few external components will be able to achieve its powerful features.

BC04-B is the most powerful currently available serial port Bluetooth module module uses Blue2.0, support 

Master-slave mode, supports hardware / software set master-slave mode supports up to 29 AT commands and nine automatic feedback command support 

Baud rates from 1200 to 1,382,400.29 AT commands +9 bar uplink downlink control instructions for you to create the most powerful Bluetooth 

Serial Solution!

Main chip: CSR BC04 External 

Bluetooth specification: V2.0 + EDR 

Bluetooth applications: HSP, HFP, PBAP, SPP, OPP, HCI, HID etc. 

Output power: Class 2 

Application Interface: PIO, AIO, UART, USB, PCM, UART 

Baud Rate: 9600 factory default, users can set 

Supply voltage: 3.3V 

Comply with ROHS standard 

Size: 27mm * 13mm * 2mm 

Work status indication, connected with the non-connection state signal output, easy to track the status of the module MCU 

Current: pairing: 2 ~ 10mA paired not communicating: 5 ~ 6Ma communication: 20mA 

Sleep current: less sleep, but supports low-power mode 

For GPS navigation systems, utility meter reading systems, industrial control systems mining site. 

Can be used with a Bluetooth laptop computer plus a Bluetooth adapter, PDA and other devices to connect seamlessly