Features: The upgraded version is smaller and more energy-efficient, integrating the advantages of traditional wireless module , resulting in smaller products and lower energy consumption. Shielding cover, strong not -interferences , with shielding cover installed on the module, greatly improving the product's not -interferences ability. IoT development kit that use SX1262+ESP32 chip and fully supports the standard lorawans protocol. Rich interfaces, capable of programming products through standard libraries and brief development languages, quickly completing solution validation and product development. Supports three major wireless communication protocols, the ESP32 chip, and supports WIFI, , and wireless communication functions. Suitable for various intelligent situation , it can be used as a gateways for IoT products or as a driving terminals product. Specifications: Material: PCB Size: about 7.74x25.5x50.2mm/0.3x1x1.92inch Package Includes: 1xDevelopment Board note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.