1. The upgraded version is smaller and more energy-saving. It integrates the advantages of traditional wireless modules to make the product smaller and consume less energy; 2. Shielding cover, strong anti-interference, the shielding cover is installed on the module, which greatly improves the anti-interference ability of the product; 3. Using SX1262+ESP32 chip, it fully supports the IoT development kit of the standard LoRaWAN protocol; 4. Rich interfaces, products can be programmed through standard libraries and simple development languages, and solution verification and product development can be quickly completed; 5. Supports three major wireless communication protocols, ESP32 chip, supports WIFI, BLE and LoRa wireless communication functions. It is applicable to various intelligent scenarios. It can be used as a gateway for Internet of Things products and can also be used to drive terminal products; Product parameters: Frequency band: 433-510MHZ MCU chip: ESP32-S3FN8 LORA chip: SX1262 Maximum receiving sensitivity: -139dBm LORA maximum output power: 21±1dBm Hardware resources: 7xADC1; 9xADC2; 8xTouch; 3xUART; 2x I2C; 2xSPI FLASH:8MB Interface: Type-C, battery interface, LORA antenna interface, 2. 4G antenna interface (IPEX) USB to serial port chip: CP2102 Battery type: supports 3.7v lithium battery charging and discharging (battery not included in product) Sleep current: <10 uA WIFI speed: up to 150Mbps Output power: +21 dBm Color: Black Material: PCB Package Contents: 1 x Development board 2 x Pin 1 x cable 2 x 433-510Hz antenna 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.