According to a research by Infonetics Research, just like it has happened with fixed phones, data traffic via mobile phones will soon be bigger that voice traffic. After interviewing 29 operators, the consultant agency has come to the conclusion that the capacity of all the mobile phone aerials will need to be bigger.At the same time, Infonetics has noticed a growing interest in new data transmission technologies among the companies in this field. One of the most attractive options is wimax, because it can cover very wide areas with a single aerial, and because it is especially recommended for IP traffic (Internet), despite the contents.