The process of sendng data is very important in the processing of sensor data. Wireless data transmission using WI-Fi networks has the disadvantage of sending data which is only successfully if it is in the area covered by the Wi-Fi network. Overcoming these weakness, in this final project the imolementation of a data logger device for sensors via GPRS networks is imolemented using the GSM/GPRS SIM900A module. Through this module, sensor data will be sent to the MYSQL database server. Sensor data which taken is temperature, humidity, and air pressure data by the BME280 sensor. The result of analysis of the implementation of this device indicate that sensor data can be sent and stored in the MySQL database server only through the GPRS network. The data sent has a delay of 5 to 8 seconds to be stored on the MySQL database server. While the data for one sensor data transmission via AT Command is 2.432 kilo byte.