SX1278 LoRa Module 433M 10KM Ra-02 Ai-Thinker Wireless Spread Spectrum Transmission Socket for Smart Home DIYDescriptionRa-02 is a wireless transmission module based on SEMTECH's SX1278 wireless transceiver. It adopts advanced LoRa spread spectrum technology, with a communication distance of 10,000 meters. It has strong ability of anti-jamming and has the function of air wake-up Consumption. Can be covering thousands of people in the district environment, particularly suitable for meter reading, smart home, burglar alarm equipment.The LoRa series module Ra-01 is designed and developed by AI-THINKER Technology. The SX1278 RF module is mainly used for long-range spread spectrum communication. It can resist Minimize current consumption. Thanks to SEMTECH's patented LoRa ™ modulation technology, the SX1278 has a high sensitivity of -148 dBm with a power output of +20 dBm, a long transmission distance and high reliability. At the same time, compared with the traditional modulation technology, LoRa ™ modulation technology has obvious advantages in anti-blocking and selection, which solves the problem that the traditional design scheme can not consider the distance, interference and power consumption at the same time.FeaturesLoRa ™ Spread Spectrum modulation technologyConstant RF power output at + 20dBm-100mW voltage changeHigh sensitivity: down to -148dBmHalf-duplex SPI communicationProgrammable bit rates up to 300kbpsSupports FSK, GFSK, MSK, GMSK, LoRa ™ and OOK modulation modes127dB RSSI dynamic rangeAutomatic RF signal detection, CAD mode and very high speed AFCPacket engine with CRC up to 256 bytesSmall footprint dual-row stamp-hole patch packageShielded housingSpring Antenna