You can call it a cordless phone, but standard cell phones still need wires. In addition to the clunky charger, you also need to use cords to use headphones and transfer data between your phone and other modules. But there is a response for everyone who almost completely cuts the cable. With a Bluetooth mobile phone, you can talk on the wireless headset, transfer data magically to your handset, or connect to a Bluetooth enabled car. But beware, as all Bluetooth mobile phones are not created in the same way. While some carriers can use the Bluetooth mobile phone with almost any device, others restrict themselves to headphones only.
Bluetooth is a standard developed by a group of electronics manufacturers that enables any electronic device – from computers and Bluetooth mobile phones to keyboards and headphones – to establish their own connections without the need for wires, cables or any direct action by any user. . The Bluetooth mobile phone operates on two levels:
Provides an agreement at the physical level – the Bluetooth radio frequency standard.
Provides an agreement to the next level where Bluetooth mobile phones must match at the time of sending the bits, how many sent simultaneously, and that the parties in the conversation can be sure that the message received is the same as the message sent.
Although it seems complicated, the Bluetooth mobile phone works in a simple way. The Bluetooth mobile phone communicates with different devices through a secure, low-cost, short-range radio frequency. Using the technology, the Bluetooth mobile phone can connect to headphones, computers can connect to printers or keyboards, and handhelds can connect without wires. Up to seven connections are possible at 1Mbps at a time. All that is required for any Bluetooth phone to connect to another Bluetooth-enabled device is to pair them – usually a seamless "handshake" process that creates a connection that takes seconds and in most cases is most wireless connection menus.
What's your name?
If you were curious about "Bluetooth" in the term "Bluetooth Mobile Phone", the name of Bluetooth was given to a 10th century Danish king Harald Blatand (or Bluetooth) that united Denmark, Norway, and Sweden. According to legend, it had affinity for tooth-colored cranberries.
A Bluetooth mobile phone communicates with a 2.45 gigahertz frequency, which was established by international agreement for the use of industrial, scientific and medical (ISM) devices.
Many of the devices that you can use already use the same radio frequency band. The latest generation of baby monitors, garage door openings and cordless phones in the ISM band practice frequencies. The design process was a critical part of ensuring that the Bluetooth mobile phone and these other devices do not interfere with each other.
Before we start talking on a Bluetooth mobile phone, you need to know some facts. The Bluetooth mobile phone has a range of 30 meters (10 meters), and the devices in question must use compatible Bluetooth versions. Most Bluetooth mobile phones currently operate on the market with Bluetooth 1.1. (Two previous versions, 1.0 and 1.0B were compatible with compatibility issues and have been discontinued since.) The Bluetooth Special Interest Group (SIG), a commercial association and development group, is launching new versions that promise many updates and backward compatibility. Bluetooth 1.2 includes the addition of anonymity mode, which hides the device's hardware address to protect identity and tracking, as well as adaptive frequency hopping, which reduces interference with avoiding crowded frequencies. Bluetooth 2.0 has some improvements; These include narrow band channels that allow the transmission of messages to a large number of devices without the pairing process and higher connection speeds up to 12 Mbps.
If there is no other way to connect to the Internet, mobile workers can use their blue teeth as a modem. The advantage of using a Bluetooth mobile phone is that you can stay in your laptop's carrying case or pocket and the Bluetooth mobile phone does not require direct field of vision. If your laptop is not already enabled on Bluetooth, you can purchase the USB Bluetooth adapter.
The Bluetooth mobile phone makes it easy to transfer or receive information from other Bluetooth enabled devices, so no additional cables are needed. The Bluetooth mobile phone can be used with a Bluetooth-enabled headset that enables hands-free operation. You can place your Bluetooth mobile phone in your pocket or carrying case and even make calls. This is especially useful when using your Bluetooth mobile phone while driving.
Like any wireless device, the Bluetooth mobile phone has some minor security issues. SIG has admitted that bluebugging, where the hacker secretly accesses a phone command (for example, to intercept conversations) and bluesnarfing, where the hacker can access the phone's data, such as connections, but the group reduces both. While working on Bluetooth, they also require the hacker to use a PC and within the range of the victim's Bluetooth mobile phone (10 meters). However, Nokia and Sony have said that these problems only apply to older handsets available outside the United States and that Nokia supports software updates. To combat both, the Bluetooth mobile phone can be disabled with a code or simply turned off or hidden if not used. Another problem, depending on how you look at it, is bluejacking. This often involves creating a flirting introductory message and then sending another Bluetooth to a mobile phone (ie discoverable) as a text message.
Source by sbobet