SERTEL Automatic Weather Station (AWS) is a field-deployable environmental monitoring system for real-time measurement, recording, and transmission of meteorological parameters. The system integrates a modular datalogger with sensors covering wind speed and direction, temperature, humidity, barometric pressure, solar radiation, precipitation, evaporation, soil temperature, and snow depth. The datalogger communicates via GSM/GPRS using the MQTT protocol, operates from a solar-powered supply with battery backup, and features a 3.5 touchscreen LCD for local display and configuration.