Các tế bào connetion P12

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Các tế bào connetion P12

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INTO THE FUTURE The technology that permits us to put telephones in our cars and in our pockets continues to evolve and provide us with new and improved services. Because there is no need for utility poles, conduit, or miles of expensive cable, cellular telephones can be located, either permanently or temporarily, wherever they are needed. This versatility gives cellular the crucial economic edge that ensures the rapid growth of this new industry. In this chapter we will look into the future of wireless telecommunications and its applications. ...

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