Master chip: ESP32-S3FN8. 2 x ESP32 LoRa OLED board V3. Support frequency band: 868-915MHZ. WiFi LoRa 32 V3 Board Lora chip: SX1262. 2 x LoRa Antenna. TX Power: 20dBm - 22dBm. Interface: Type-C ( not micro USB).
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