One time fee for using M2M server - applied for each data logger with modem

Connection with data loggers is realised via M2M Talk Server

The M2MTalk server service

If you want use alarm SMS messages only, you will not have to activate this service.

For anything else (like remote communication with the data logger including data downloading, setting data logger), this service must be activated.
By default, this service is not activated by manufacturer. In addition, if this service is used, GPRS must be activated on your SIM card. Method and amount of payment for this service are determined by valid trading conditions.