The Steca PA Tarcom data loggers can be connected to the RJ45 interface of the Steca Tarom or Power Tarom charge controller or by using the Steca PA HS200 and are provided with the accompanying software. This series includes several different versions, such as the simple RS232 interface, designed for direct transfer of data to the PC or Laptop (Steca PA Tarcom 01), version with a built-in analogue modem (Steca PA Tarcom RMT), a model equipped with a built-in GSM modem, allowing remote monitoring (Steca PA Tarcom GSM), and version with an Ethernet interface, permiting PC network connection (Steca PA Tarcom Ethernet).