OFweek smart home network Bluetooth technology is a short-range low-speed wireless communication technology, positioning by measuring the strength of the signal. It can support mutual communication between portable computers, mobile phones and other mobile devices for data and voice transmission. At present, the Bluetooth discovery range is about 10m, and the rate is 1Mb/s. After the new standard comes out, the maximum transmission speed can reach 10Mb/s. Bluetooth technology is a cable used to replace portable or fixed electronic devices. Or connect the short-range wireless connection technology.
Using Bluetooth technology, it can effectively connect mobile phones, laptops, PDAs, and various digital information devices to get rid of commonly used wired cables. At the same time, it forms a network around individuals, making various informatization around them possible. Mobile portable devices can seamlessly share resources. Because of its openness, Bluetooth technology is currently only a norm and has not yet become an industry standard. There are still some problems with interoperability between devices of different brands and models. However, the Bluetooth technology itself has many advantages: the frequency band for Bluetooth work is the ISM band, ie, industrial, scientific research, and medical frequency bands. It is a universally-used and unlicensed band; data and voice can be transmitted in real time; advanced FM and correction are used. Error coding technology, Bluetooth has good anti-interference ability, and more reliable communication between Bluetooth-equipped devices. In addition, Bluetooth has a strong portability, can be applied to a variety of communication applications, such as WAP (Wireless Application Protocol), GSM (Global Mobile Communication), etc., after identification identification can be flexible roaming, security is also good, and Bluetooth devices have low power consumption, are easy to implement, easy to promote, and have little harm to the human body.
Mainly used in the following areas:
(1) As far as the current development is concerned, Bluetooth technology has applications in mobile phones, headphones, PDAs (personal digital assistants or PDAs), digital cameras and digital cameras. Due to the high popularity of mobile phones, Bluetooth mobile phones have become the main application of Bluetooth technology.
(2) After a Bluetooth-enabled mobile phone is equipped with a small Bluetooth headset, the phone can be placed in the pocket for hands-free conversation. In this way, in the cold wind, when driving a car, when both hands are busy, it is convenient to answer the phone, and it can also avoid cell phone radiation.
(3) The Bluetooth mobile phone can be easily connected to the computer for file transfer. In addition to pictures, ring tones, and Java games, general documents can also be transmitted to the Bluetooth mobile phone, so that the Bluetooth mobile phone can be used as a USB flash drive. . A Bluetooth mobile phone can connect wirelessly to a laptop within a certain range, making wireless Internet access to the laptop a reality.
(4) Two users who also hold a Bluetooth mobile phone can also exchange business cards, phone calls and cell phone ringtones, or wireless online games through the mobile phone. Coupled with a series of Bluetooth helmets, bluetooth glasses, Bluetooth jackets, and more, Bluetooth's wireless charm allows you to enjoy a stylish lifestyle.
(5) In fact, Bluetooth can also be used in many fields such as wireless devices, image processing devices, security products, consumer entertainment, automotive products, and household appliances. As Bluetooth technology continues to mature, various Bluetooth products will deepen people's lives, change people's lives and work methods, and greatly improve people's quality of life.
Bluetooth adapter built-in antenna, without USB connection, easy to use, easy to carry, wireless transmission of files, audio and video, wireless printing, wireless networking and other functions; wireless connection with Bluetooth technology equipment (such as computers / PDA / mobile phone / printer / Wireless game controllers, etc.); Supports VoIP services for network voice calls, seamlessly connecting Skype software for instant messaging using Internet telephony.
Bluetooth wireless network card, as long as the plug-in computer's PCI slot can be used. With the Bluetooth communication function of the computer, wireless Bluetooth communication can be performed with various Bluetooth devices such as a Bluetooth mobile phone, a Bluetooth handheld computer, a Bluetooth keyboard mouse, and a Bluetooth headset.
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