Purpose. The aim is to select the optimal system configuration of data collection at the lowest level of the hierarchy. Transmission of the primary geophysical data in cellular networks 2.5G is considered as well. Мethodology. It includes a detailed complex analysis of the possible system configuration and its optimization based on the criteria of minimum cost and work for a long time without maintenance. Results. A constructed automated device to acquire at the lowest level and to transmit the information to the final consumer is presented as well.