USB-TO-LoRa-xF-B uses XTAL crystal oscillator and is recommended to be used in 0~50 temperature. ^^ Adopts the original SX1262 chip, with -148dBm reception sensitivity and 22dBm emitt power ^^ AES communication to ensure data transmission security. Supports multi-level relay networking to increase the wireless communication distance ^^ Supports preamble detection, with CRC, automatic packetization, 960 bytes cache functions. Supports LBT sending, RSSI output, AT command configuration ^^ Supports host configuration and firmware upgrade (support firmware customization for batch order). Comes with online development resources and manual.