The VGdd79S433N0S1 is a LoRa module manufactured by Vollgo, and it is classified as a Surface-Mount-Device (SMD). It has a size of 11.5x11.5mm and is compliant with RoHS (Restriction of Hazardous Substances) directives. The LoRa module utilizes Long Range (LoRa) modulation for communication allowing access to a vast range of communication networks. It is ideal for applications such as industrial automation, wireless M2M, asset tracking and Internet-of-Things.