Type LoRa,Sub-1 GHz Transceievers Applications Ideal for automatic meter reading, home and building automation, security systems, and remote irrigation systems On-board modules Ra-01S - LoRa™ wireless radio frequency module from Ai-Thinker Technology Key Features Ultra-long-distance communication, based on SX1268 radio chip with high sensitivity, multiple modulation methods, 433MHz frequency band, anti-interference capabilities, low power consumption, SPI interface, and more Interface SPI Feature ClickID Compatibility mikroBUS™ Click board size L (57.15 x 25.4 mm) Input Voltage 3.3V