Model of a cellular data network connection to a server (Telcel 2005) if outside has been little developed a system that can monitor vehicles making use of satellite and cellular network with computers that handle GPRS and GPS. The operation of this service is as follows, with its integrated GPS vehicle constantly registers its location, which is sent through the network of data received by a server installed in the company that provides the service and cellular, this sends the data via the Internet to any workstation that has the privileges to the monitoring units. Finally the BalckBerry Phone Smart, has been gained popularity among executives, since this product has the ability to send e-mails and talking at the same time, needn’t hang to send their e-mails! Wow! Characteristics of Balck Berry, first, is a wireless terminal, you have a server that is installed in the Workstation, is a cell phone, you can use the email from Microsoft Exchange and Lotus Domino servers, you can activate up to 10 accounts on the server, you can redirect your mail, you have a filter manager; people who have used the BlackBerry commented that with this equipment they had greater control over your email. It has wireless access to folders on the server, corporate applications can integrate this terminal works with JAVA making it very flexible, up to incorporate specialized user applications without the need for a new system, you can access to the corporate Intranet or the Internet, all this with the protection of a data encryption called Triple-Des, which is used by the Government of the United States of America. (Telcel 2005) Don’t be left behind, with all these services can be implemented many controls within companies, so that they remain or become more productive, since one of the key points in differentiation is having a model of efficient communication, where the Executive to make decisions to time with the updated information, and this can be achieved with these applications or those that you choose.