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Long distance or next to me: 3G network and Bluetooth
Long distance or next to me: 3G network and Bluetooth
There are different types of wireless networks, some are for long distance data transfer, while some are only for short distance.
In this video, Prof. Ke will introduce the basics of cellular phone, our mobile phone system, as well as the Bluetooth technology. The latter is usually used in devices we carry with us, such as earphones or smart watches.
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