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1. ARUN KUMAR . J JSS P DA (V C S) 2.  Using Analog signals  Listen to handset  Frequency typically 150MHz & above 3.  Poor voice quality  Poor battery…

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PowerPoint Presentation 4G Present by:reza meshkani Evolution from 1G to 4G system 1G Wireless System :Developed in 1980s and completed in early 1990âs 2G Wireless System…

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Wi-Fi uses both single carrier direct-sequence spread spectrum radio technology (part of the larger family of spread spectrum systems) and multi-carrier OFDM (Orthogonal…