Configurable Bluetooth communication and parameters in slave and master-slave modes BLE, UART, and USB three-way chip for versatile data transmission Supports BLE 4.2 for enhanced connectivity Supports master mode, slave mode, and master-slave integrated mode Serial port supports AT configuration and MODEM communication signals, with a maximum baud rate of 1Mbps; enables online debugging or data monitoring among USB, serial port, and Bluetooth interfaces
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