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 271dBm. 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 20A. 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.