USB-TO-LoRa-xF uses TCXO crystal oscillator and is recommended to be use in 0~85 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.