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The LBT (Listen Before Talk) function in LoRa data transmission modules is a protocol or technique used for wireless communication, aimed at reducing or avoiding channel collisions and improving communication quality and efficiency. In LBT, devices listen to the channel before transmitting data to ensure channel availability, thereby reducing the likelihood of collisions.

SA628F30 is an embedded wireless digital and audio dual-function full-duplex transmission module. Users can not only wirelessly transmit data through the serial port but also wirelessly transmit voice signals through the I2S digital audio or analog audio interface.

The SA618F30, produced by NiceRF, is a high-performance, cost-effective, and highly integrated high-power full-duplex wireless audio module. It features a high-speed microcontroller, high-performance RF transceiver chip, and RF power amplifier built-in. It also provides a standard serial port for communication with the module, allowing for easy and quick setup of module parameters and control of transmission and reception functions. Users only need to connect audio amplifiers, microphones,

The LoRaPro module is the latest series of upgraded networking wireless communication modules introduced by NiceRF. It is developed based on Semtech's SX127X chip and adopts advanced LoRa spread spectrum modulation frequency hopping technology, high-efficiency receiver sensitivity, which makes its penetration ability and communication distance far surpass the currently commonly used FSK and GFSK products, and has stronger anti-interference capabilities.

The LoRa128X-C1 series is a set of advanced modules designed to meet the diverse needs of modern wireless communication applications. Users can choose from four different models - LoRa128X-C1-TIP, LoRa128X-C1-IP, LoRa128X-C1-TA, and LoRa128X-C1-A - to select the module that best suits their specific requirements.