Mobile communications have become increasingly important both for voice telephony and as a means of accessing the Internet. The European standard for mobile, GSM, has become a leading world standard. The number of subscribers in Europe is increasing rapidly and is expected to reach 200 million by the end of this year. Mobile subscriptions in Europe have now surpassed those of the USA. Europe also has the advantage of having a digital system which has the potential to become a major platforms for Internet access. This is demonstrated by progress in GSM technology, such as GPRS and EDGE, the roll out of the 3rd generation of mobile communications and various wireless local loop technologies.