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Using an advanced processor architecture, the companies have squeezed in a larger number of processors and reduced power consumption to put an entire 802.11b wireless Lan card onto a card the size of the SD memory used in PDAs (50mm x 24mm x 2.1mm).
Telcos are struggling to roll out 3G services in the face of uncertain returns and technical difficulties. However, the scaling down of essential components raises the possibility that 802.11b wireless hotspots could fulfil many of the needs which the 3G revolution was supposed to meet for business users wanting access to corporate networks.