A, cell phone Bluetooth
Bluetooth (Bluetooth) technology, in fact, is a short-range radio technology, the use of "Bluetooth" technology, can effectively simplify the Pocket PC, laptop computers and cell phones and other mobile communications terminal equipment communication, but also successfully simplify the above these devices and the Internet Internet communication. Thus, the data transmission between these modern communication devices and the Internet becomes more rapid and efficient, widening the way for wireless communication.
Bluetooth adopts a decentralized network structure as well as fast frequency hopping and short packet technology to support point-to-point and point-to-multipoint communications, and operates in the globally used 2.4GHz ISM (i.e., Industrial, Scientific, Medical) band. Its data rate is 1Mbps. full-duplex transmission is realized by using time-division duplex transmission scheme.
Two, cell phone Bluetooth function
1, file transfer data import
Early years, the file between two cell phones and a very convenient way to transfer, in fact, Bluetooth is a good choice, in the cell phone to select the video, text, photos, or music, and other files, share the way to select the Bluetooth, after pairing the file can be sent to another mobile phone. The Bluetooth is a good choice for video, text, photo or music files. After sharing, select Bluetooth as the sharing method and pairing, you can send the files to another cell phone.
2, address book transfer
In addition to the transfer of these files, you can also import some other data, the most commonly used is the address book, as the old and new cell phone address book transfer, is also very good.
3, network **** enjoy
Through the Bluetooth will be the data network sharing, to solve the problem of other cell phone's lack of traffic. Of course in today's world, WIFI is so dense that traffic is rarely enough, and there's more of a tendency to favor WLAN portable hotspots as a way to get around.
4, OBD Bluetooth automotive diagnostics
Only need to connect the diagnostic instrument to the car's OBD diagnostic interface, and in the cell phone and other devices configured with the appropriate software, you can realize the car diagnostics, she can identify the car model and vehicle diagnosis of the state of the vehicle as well as faults in the report.
5, connected to the call function
Can be connected to a Bluetooth headset to use, after the successful connection of the phone inside the sound will come out of the Bluetooth headset inside.
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