| They may call it a wireless phone, but standard | | | | Before you start talking on a Bluetooth cellular |
| cellular phones still require wires at some point. | | | | phone, you do need to know a few facts. A |
| Besides the clunky charger, you also have to fumble | | | | Bluetooth cellular phone has a range of 30 feet (10 |
| with cords to use a headset and to transfer data | | | | meters), and the devices in question must use |
| between your phone and other gadgets. But there is | | | | compatible versions of Bluetooth. The majority of |
| an answer for anyone looking to cut the cord almost | | | | Bluetooth cellular phones currently in the marketplace |
| completely. With a Bluetooth cellular phone, you can | | | | works on Bluetooth 1.1. (Two previous versions, 1.0 |
| chat on a wireless headset, transfer data magically | | | | and 1.0B, were plagued with compatibility issues and |
| through the air to a handheld, or connect with a | | | | have since been discontinued.) The Bluetooth Special |
| Bluetooth-enabled car. But take care, as each | | | | Interest Group (SIG), a trade association and |
| Bluetooth cellular phone is not created in the same | | | | development group, is releasing newer versions that |
| manner. While some carriers let you use a Bluetooth | | | | promise several upgrades and backward compatibility. |
| cellular phone for almost any means, others restrict it | | | | Bluetooth 1.2, includes the addition of an anonymity |
| to a headset only.Bluetooth is a standard developed | | | | mode, which masks the hardware address of the |
| by a group of electronics manufacturers that allows | | | | device to protect from identity snooping and |
| any sort of electronic equipment -- from computers | | | | tracking, and adaptive frequency hopping, which cuts |
| and Bluetooth cellular phones to keyboards and | | | | interference by avoiding crowded frequencies. |
| headphones -- to make its own connections, without | | | | Bluetooth 2.0 has some enhancements; among them |
| wires, cables or any direct action from a user. A | | | | are narrowband channels, which will enable messages |
| Bluetooth cellular phone works at two levels: | | | | to be broadcast to a high number of devices without |
| It provides agreement at the physical level -- | | | | the pairing process, andhigher connection speeds of |
| Bluetooth is a radio-frequency standard. | | | | up to 12Mbps.When no other means of connecting to |
| It also provides agreement at the next level up, | | | | the Internet is available, mobile workers can use their |
| where Bluetooth cellular phones have to agree on | | | | Blue tooth cellular phone as a modem. An advantage |
| when bits are sent, how many will be sent at a time | | | | of using a Bluetooth cellular phone is that it can |
| and how the parties in a conversation can be sure | | | | remain in your laptop carrying case or pocket, and a |
| that the message received is the same as the | | | | Bluetooth cellular phone does not require a direct line |
| message sent.While it may sound complicated, a | | | | of sight connection. If your laptop is not already |
| Bluetooth cellular phone works in a simple manner. A | | | | Bluetooth enabled, you can purchase a USB Bluetooth |
| Bluetooth cellular phone communicates with different | | | | adapter. |
| devices by sending data via a secure, low-cost | | | | A Bluetooth cellular phone makes it easy to transfer |
| short-range radio frequency. Using the technology, a | | | | or receive information from other Bluetooth-enabled |
| Bluetooth cellular phone can connect to headsets, | | | | devices, eliminating the need for extra cables. A |
| PCs can connect to printers or keyboards, and | | | | Bluetooth cellular phone can be used with a |
| handhelds can connect to each other without any | | | | Bluetooth-enabled headset allowing for handsfree |
| wires. Up to seven connections can be made at one | | | | operation. You can put the Bluetooth cellular phone in |
| time, at a speed of 1Mbps. All that's needed for any | | | | your pocket or carrying case and still take calls. This |
| Bluetooth cellular phone to connect to another | | | | is especially useful if you need to use your Bluetooth |
| Bluetooth-enabled device is for them to be | | | | cellular phone while driving.Be secure |
| paired--normally, a hassle-free "handshaking" process | | | | As with any wireless device, a Bluetooth cellular |
| for establishing a connection that takes seconds and | | | | phone has some minor security concerns. The SIG |
| can be found in most wireless connectivity | | | | has admitted that bluebugging, where a hacker |
| menus.What's in a Name? | | | | secretly accesses a phone's commands (such as |
| In case you were wondering, what's "Bluetooth" in | | | | eavesdropping on conversations), and bluesnarfing, |
| the term "Bluetooth cellular phone", Bluetooth gets its | | | | where a hacker can access a phone's data--such as |
| name from a 10th-century Danish king, Harald Blatand | | | | the contacts--are possible, yet the group downplays |
| (or Bluetooth) who unified Denmark, Norway, and | | | | both actions. While they work through Bluetooth, |
| Sweden. According to legend, he had an affinity for | | | | they also require the hacker to use a PC and to be |
| teeth-staining blueberries.Bluetooth Frequency | | | | within range of the victim's Bluetooth cellular phone |
| A Bluetooth cellular phone communicates on a | | | | (10 meters). Still, Nokia and Sony have said these |
| frequency of 2.45 gigahertz, which has been set | | | | issues affect only older handsets that are available |
| aside by international agreement for the use of | | | | mainly outside of the United States, and Nokia is |
| industrial, scientific and medical devices (ISM).A | | | | promising a software upgrade. To help combat both, |
| number of devices that you may already use take | | | | a Bluetooth cellular phone can be locked with a code |
| advantage of this same radio-frequency band. Baby | | | | or simply turned off or put in hidden mode when not |
| monitors, garage-door openers and the newest | | | | in use. Another concern, depending on how you look |
| generation of cordless phones all make use of | | | | at it, is bluejacking. This often involves creating a |
| frequencies in the ISM band. Making sure that a | | | | flirtatious introductory message, then sending it to |
| Bluetooth cellular phone and these other devices | | | | another Bluetooth cellular phone (that is discoverable) |
| don't interfere with one another has been a crucial | | | | narby as a text message. |
| part of the design process.Pairing up | | | | |