The Vollgo VG4142S433N0S1 LoRa Modules with SMD is a low-power, wide-area network (LPWAN) solution. This module is a small and light weight device measuring 13.5x12mm with a total weight of 1.8g, making it ideal for size-constrained applications. It features advanced LoRa modulation technology with an impressive 7 km range and a maximum data transmission rate of 5.5 kbps. Additionally, it has a receiver sensitivity of -148 dBm and a high-power, linear output of 20 dBm. This module is compliant with all relevant safety and quality regulations, including RoHS compliance, and is designed to provide a robust, secure, low-cost solution for connecting multiple devices over long distances with minimal power consumption.