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eBook, 2005
Current format, eBook, 2005, , All copies in use.
eBook, 2005
Current format, eBook, 2005, , All copies in use. Offered in 0 more formats
The world-wide proliferation of cellular networks has revolutionizedtelecommunication systems. The transition from Analog to Digital RFtechnology enabled substantial increase in voice traffic usingavailable spectrum, and subsequently the delivery of digitally basedtext messaging, graphics and even streaming video.
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