1. The upgraded model has a built-in SX1262 + ESP32 chip and fully supports the IoT development kit of the standard LoRaWAN protocol. 2. Products can be programmed through standard libraries and concise development languages to quickly complete solution verification and product development. 3. Three major wireless communication protocols, ESP32 chip, supports WIFI, BLE, and LoRa wireless communication functions. 4. With shielding cover, strong anti-interference, the shielding cover is installed on the module, which greatly improves the product's anti-interference ability. 5. The Type-C USB interface has complete voltage regulator, ESD protection, short circuit protection, radio frequency shielding and other protection measures. Applicable to various intelligent scenarios, it can be used as a gateway for IoT products and as a driver for terminal products. MCU chip:ESP32-S3FN8 (Xtensa® 32-bit lx7 dual-core processor) Main frequency:240 MHz maximum LORA chip:SX1262 USB to serial port chip:CP2102 Maximum receiving sensitivity:-139dBmLORA Maximum output power:21±1dBm Hardware resources:7xADC1; 9xADC2; 8xTouch; 3xUART; 2xI2C; 2xSPI FLASH:8MB Wi-Fi:802.11 b/g/n, up to 150Mbps Interface:Type-C; battery interface; LORA antenna interface; OLED screen:0.49 inches Battery type:supports 3.7v lithium battery charging and discharging Sleep current:Less than 10 uA Working temperature:-20℃-70℃ Due to different product batches, the appearance may be different, which does not affect use. Frequency:863-928MHz Colour:Black Material:PC+Metal Size:58.08x22.6x8.2mm Package Contents: 2 x development board 2 x antenna 2 x battery cable 4 x pin header