F2G interface GSM Evolution II, the ideal companion for the professional security. Transforms the line into a GSM dial-up telephone line. Considered simply as a generator of the telephone line is really simplistic. In fact, the F2G not only allows for a secure phone line and low cost but can also offer interesting new id information services to the user. The phone line is generated in a position to interpret the Contact ID protocol and transforming events in SMS. This is just one of the innovative performance of F2G II Evolution.