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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Mobile communications bring profound changes to our everyday lives.The launch of 3rd generation mobile systems in 2001 in Japan and from 2002 throughout the rest of the world, will enable us to communicate at anytime and anywhere, by using a variety of services which have up to now only been available to fixed network users.By the end of 2003, there are expected to be over one billion mobile telephones in use around the world, which surpasses the number of fixed telephone lines projected for that date. Illustrates the current situation and forthcoming developments of UMTS (Universal Mobile Telecommunication System) Outlines the rationale and motives behind the evolution of this new mobile telephony system Analyzes the requirements of the UMTS system and describes the radio UTRA (UMTS Terrestrial Radio Access) and the UTRAN (UTRA Network) together with Core Network Issues Provides an overview of the new voice, data and multimedia services that will be available to users Reviews the current trends that will affect future research and discusses key topics, including SDMA (Space Division Multiple Access) smart antennas and software radioWritten in an easily accesible style, UMTS: Mobile Communications for the Future will prove indispensable reading for all those working in the area of mobile communciations.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.