1. Base on ESP32-S3R2 & SX-1262, supports Wi-Fi b/g, BLE, and LoRa communication. 2. 2MB PSRAM and 16MB external Flash, more suitable for UI and complex system . 3. High-power version with LoRa transmission power increased to 27±1dBm. 4. Form factor and pin compatibility with WiFi LoRa 32 V3. 5. PC casing protects the screen and integrates FPC 2.4G antenna. Added SH1.25-2P solar panel interface. Optimized lithium battery management. Added SH1.25-8Pin GNSS interface. USB Type-C interface with integrated voltage regulation, ESD protection, short-circuit protection,and isolation design; Low power consumption is less than 20μA. Max. Receiving sensitivity: -137dBm@SF12 =125KHz Wi-Fi: 802.11 b/g, up to 150Mbps Bluetooth: Bluetooth (LE), Bluetooth 5, Bluetooth Mesh Hardware Resource: 7 * ADC1 + 2 * ADC2; 7 * Touch; 3 * UART; 2 * ; 2 * SPI; etc. Memory: 384KB ROM; 512KB ; 16KB RTC ; 2MB PSRAM; 16MB Flash Interface: Type-C USB; SH1.25 * 2 Pin lithium battery interface; SH1.25 * 8 Pin interface; LoRa ANT(IPEX1.0); 2.4G ANT(IPEX1.0) Color: As Shown Material: Plastic+Metal Package Contents: 1 * module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.