Pi LoRa™ Lora Hat is a low-power consumption data transmission board, comes with an onboard CH340 USB TO UART converter, Voltage Level Translator(74HC125V), E22-900T22S/E22-400T22S SMA antenna connector that covers 868MHz/433MHz frequency band ,IPEX antenna connector, LoRa™ Spread Spectrum Modulation technology with auto multi-level repeating.