The RN4678 module is a fully certified, Bluetooth v5.0 compliant (BR/EDR/LE) Dual mode module, available for customers to easily add Dual mode Bluetooth wireless capability to their products. The RN4678 is built around Microchip’s IS1678 Bluetooth Dual mode chip. Refer to Section 8.0 “Ordering Information”. The RN4678 provides a convenient method for cable replacement for smartphones or tablets for data transfer and control based on the Bluetooth protocols. Data transfer is achieved through the Bluetooth link by sending or receiving data through SPP in Bluetooth (BT) Classic mode and through Transparent UART in the BLE mode. The ASCII interface provides an easy way to learn the operation and to integrate the module with any microprocessor or microcontroller (MCU) with a UART interface.
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