Our SenNet gamut of devices have a wide range of dataloggers. Depending on the model they have GPRS, 3G, radio frequency communications, internal electrical analyzers, ETHERNET, RS485, RS232, etc..
They support a wide variety of protocols, including Modbus RTU. Modbus TCP, Mbus, KNX, Z-Wave, IEC 870-5-102, DLMS /COSEM, etc. They also support proprietary protocols developed by other manufacturers.
Find out which one is the most suitable for your needs. And choose where you want to send the data collected.