This bachelor's thesis deals with remote data acquisition with the assistance of GSM modems based on Open AT platform. The result of thesis is the realized module which servers as a converter temperature to frequency. This module is connected with Wavecom Fastrack M1306B programmable GSM/GPRS modem. They are intended for temperature measurement from 0 to 40 °C together. With the assistance Open AT platform and C programming language were created two applications. The first application sends data as temperature, date and time on remote FTP server via GSM network as GPRS data. The results of measurement are displayed on website in form of the table and graph. The second application sends a temperature measurement data via SMS message as reply...