Bluetooth Review
By Lee MacRae
The new Bluetooth technology is simply a wireless method for making personal area networks. It's range is approximately 20-30 feet [10 metres] and with a speed that is comparable to USB. Today, you can find cell phones, GPS devices, personal computers, printers and a number of other devices can be linked by Bluetooth technology. Follow along as we present a few of the devices you can use.
Bluetooth Headsets A Bluetooth enabled headset allows some advantages over a standard headset. Many people find it great as a hands free headset for cell phones with Bluetooth capabilities. The phone can be put in a handbag, your pants pocket or in a jacket pocket and you simply receive and make calls. You can use it like any other cell phone
but in a much safer manner due to the fact you have a Bluetooth headset.
The Bluetooth Dongle If you want to use Bluetooth but your computer or laptop does not have Bluetooth capability, don't despair. The Bluetooth dongle will give you that. Plug it into a USB port on your PC and you'll be able to communicate with any other Bluetooth devices. With the Bluetooth Dongle it means any old device you have can be made Bluetooth compatible and used with newer Bluetooth devices.
Bluetooth is veratile. A world changing experience with Bluetooth is that you can listen to music through the Blue tooth stereo speakers on your cell phone, through your PDA, by means of a laptop or an iPod. Just imagine being able to work out while you have streaming music coming from your your Bluetooth stereo speakers or listening to your favorite talk show. And then you can automatically answer your Bluetooth cell phone as well. And the amazing aspect is that this mode of connection is totally wire free.
In addition, Bluetooth works up to 30 feet away. All this makes the Bluetooth the best available choice for wireless connectivity today.
Bluetooth technology helps communication between various devices and allows us to stay connected with other people and with a number of pieces of Bluetooth enabled equipment. There are many practical applications for this marvelous technology. Why not check out Bluetooth and see what it can do for you today?
Learn all about stereo bluetooth at Bluetooth Parts right now!
Some Bluetooth Infomration
Around The World With Bluetooth
Proxim Wireless to Report First Quarter 2008 Financial Results on Tuesday, May 13, 2008
Fri, 02 May 2008 00:00:00 EST
Proxim Wireless Corporation (NASDAQ: PRXM), a leader in core-to-client solutions for broadband wireless networks, announced that it will issue a news release regarding its first quarter 2008 financial results on Tuesday, May 13, 2008 at approximately 4:00 P.M. Eastern Time. Proxim will then host a conference call to discuss the financial results and related developments at the company on that same day, Tuesday, May 13, 2008, starting at 5:00 P.M. Eastern Time.
TW-Airnet of Taiwan Chooses Proxim for Municipal Broadband Wireless Network in Kinmen Islands
Mon, 09 Jun 2008 00:00:00 EST
Proxim Wireless Corporation (NASDAQ: PRXM) announced that it has supplied broadband wireless equipment to TW-Airnet to provide Wi-Fi network coverage for visitors to and residents of Kinmen County, a group of islands 200km away from Taiwan.
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How Bluetooth Features Will Change What You Do Today
by Christopher Smith
Some of the most notable features of Bluetooth technology are the facts that it is relatively inexpensive (this is first and foremost for many potential consumers); it is not extremely fragile, it is very user friendly, and has low power consumption. Bluetooth can be used to create wireless Personal Access Networks (PANs) while offering fast and reliable transmission of both voice and data. Bluetooth offers wireless access to the Internet (for home access as well as laptops, PDAs, and other hand held devices), cell phone services, and local access networks.
A complete Bluetooth system requires an RF portion in order to send or receive data; a module for processing, a memory module, and an interface to the electronic device it is to communicate with (such as a phone, Palm, or camera).
The lower-layer protocols can typically be found within the baseband module and the host processor must support the protocols of the upper-layer. Simply put, the RF-baseband solution supplies the means necessary in order to communicate with the host. This additionally requires an interface by which they can connect as well as the upper-layer protocols in order to actually apply the applications the product is designed to support.
The higher upper layers of Bluetooth technology are referred to as Bluetooth Profiles. These profiles are literally a set of protocols that are optimized in order to complete specific tasks or applications. If you wish to share files between two linked devices they must be compatible devices that have similar applications across the spectrum of devices.
The Bluetooth stack has the following components: 1) RF portion. This is necessary for reception and transmission. 2) Baseband portion. 3) Link Control Unit 4) Link Manager. This supports lower layer protocols. 5) Interface. This allows a connection to the host device. 6) Host processor. This will support upper layer protocols. 7) L2Cap. This also supports upper layer protocols.
The Radio Frequency (RF) supplies the Digital Signal Processing (DSP) element to the system while the baseband microcontroller processes the signals. The link controller supports the link manager and controls the baseboard functions by sending and receiving data, identifying the device sending data, performing authentication, and determining the frame to which the transmission should be sent. The link controller also directs the way devices communicate with each other as well as enabling the power saving sleep mode when not being directly used.
The link manager is responsible for setup, authentication, the configuration of links, and other lower layer protocols. The baseband and link manager work together in order to establish connections for the network.
The Host Controller Interface (HCI) allows the communication of lower layer protocols to the host (which contains a processor) device. The L2Cap supports upper layer protocols and enables communication with the lower layers. The higher-upper layer protocols are often very specific tasks and applications that require integration with the lower layer applications. The ability of all these components to work together and communicate adequately is very important to Bluetooth technology.
Core Protocols in Bluetooth technology: 1) Baseband. This layer combined with the link control layer enables an RF link to form while offering two distinct physical links with corresponding baseband packets. These links are Synchronous Connection-Oriented and Asynchronous Connectionless. Synchronous Connection-Oriented connections can contain either audio or a combination of data and audio while Asynchronous Connectionless packets can only be used for the purpose of transmitting data.
2) Link Manager Protocol. This is responsible for establishing links between Bluetooth devices including but not limited to security functions such as authentication and encryption keys as well as the negotiation duty cycles for the Bluetooth device and the device on the receiving end.
3) Logical Link Control and Adaptation Protocol. This adapts the upper layer protocols over the baseband.
4) Service Discovery Protocol. This allows device information, services and characteristics of services to be queried. Once queried, a connection can be made between two or more Bluetooth devices.
Telephony and Cable Replacement Protocols: 1) Telephony Control Protocol. This is a bit oriented protocol that defines the control signal for the call and establishes speech and data cells between the devices.
2) RFCOMM. This is a serial line emulation protocol. It is based on European Telecommunications Standardization Institutes specifications and emulates control over Bluetooth baseband. This provides not only transport capabilities but also allows for upper level services that use serial lines as transport mechanisms.
Adopted Protocols: 1) PPP: PPP is the point-to-point protocol. PPP Networking is the act of taking IP packets from the PPP layer and putting them on the Local Access Network. 2) TCP/UDP/IP: TCP/IP/PPP this is used for all Internet bridge purposes. It is also available as transport for the WAP. 3) OBEX Protocol. This is a session protocol that is designed to exchange data simply and automatically.
Advantages: Bluetooth technology makes the use of peer-to-peer connectivity simpler by enabling all manner of devices to communicate freely and automatically. Bluetooth also allows for fast, secure voice and data transmissions. While the range for connectivity is only about 30 feet, line of sight is not necessary for the signals to be received and transmitted.
Bluetooth is also capable of functioning in noisy radio environments while ensuring audible voice transmissions even in less than ideal situations. It can correct data through use of error correction methods while providing a high transmission rate. You also have the ability to use encryption in order to provide added layers of security.
Bluetooth may also be used to create ad hoc networking among personal devices in order to quickly exchange information.
About the author
Theres many exciting things to learn about bluetooth earpieces and bluetooth earphones. Find out more at http://www.discoverbluetooth.com
Some Bluetooth Infomration
The men�s clothing retailer�s Bangalore outlet recently turned into a gaming arena of sorts. Customers with Bluetooth-enabled handsets who visited the store were given a chance to download an Indigo Nation branded game for free and redeem discounts on purchases. �With every passing level in the Indigo Nation Monster Car Rally, the user can redeem a discount coupon of 5% with a maximum of 20%,� said Kanwalpreet Walia, marketing manager, Indus-League Clothing Ltd., which manufactures the clothing line.
To learn more go to Bluetooth PDA.
Bluetooth SIG announced the winners of its third annual Best of CES Contest to highlight the �hottest, most innovative and consumer friendly Bluetooth enabled products: Overall - Samsung P2 Widescreen Music Player; Headset - Plantronics Voyager 855 Bluetooth Stereo Headset (finalist: Motorola MotoPURE H12); Input - Logitech Cordless Desktop MX5500 Revolution Keyboard (finalist: Newton Peripherals MoGo Mouse X54 Pro); Music - Parrot DS1120 Bluetooth Speakers; (finalist: Samsung P2 Widescreen Music Player; honorable mention Motorola RAZR2 V9); Transfer - Motorola T815 (finalist: Samsung SGH-i617 Blackjack II); Vertical - Ford SYNC, powered by Microsoft Auto (finalist: Baracoda ScanWear; honorable mention Motorola MotoROKR T505)
To find out more just go to Motorola Bluetooth.
Consumers in search of great entertainment and connectivity on the road will find the AVH-P4000DVD and AVH-P5000DVD from Pioneer Electronics (USA) Inc. the ideal in-car solution. A welcome sight for any dashboard, the two new systems offer choices in 6.1- or 7-inch video screens plus unprecedented audio and video qualities and versatile connectivity to iPod(R) players, portable audio devices and Bluetooth(R) cell phones.
Buy a new Bluetooth adapter.
The Bluetooth News
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Sat, 24 Mar 2007 17:29:20 GMT
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