- This is a type of low energy data transmission Bluetooth module based on CC2541 and it follows the Bluetooth specification BLE V4.0. Combining the advantages of compact size, extra low power consumption, strong anti-interference and long communication distance, it is very suitable for short range wireless communication in Things of Internet.
- The module integrates PCB antenna on board. It can be used to communicate with other Bluetooth devices such as Android system. Through AT commands, the user can modify the baud rate, master-slave role, device name, pass word and other parameters.
- At the end of the AT command line should be the carriage and return characters. AT commands can take effect only when the module is not connected with other device.The module enters data transparent mode once it is connected.
|Type||Wireless Serial BLE Bluetooth V4.0 Transceiver Module|
|Bluetooth Specification V4.0 BLE, send and receive no byte limit|
|Operating Frequency||2.4GHz ISM band|
|Modulation||GFSK (Gaussian Frequency Shift Keying)|
|Sensitivity||≤-84dBm at 0.1% BER|
|Transfer Rate||Asynchronous: 6 kbps Synchronous: 6 kbps|
|Power Consumption||Automatic sleep mode, standby current 400uA ~ 1.5mA, transmission 8.5mA|
|Function||Master and slave in one|
|Operating Voltage||3.2V - 5.5V (On-board 3.3v LDO Regulator)|
|Interface Logic Voltage||3.3V / 5V compatible(On-board level shift circuit)|
|Logic Interface Type||UART TTL serial port|
|Serial Port Baud Rate||9600 (default), can be modified to other values by AT command|
|Applications||Bluetooth car hand-free, Bluetooth wireless data transmission, wireless keyboard and mouse, smart home|
|1 x Serial BLE module|
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