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BlueTooth". BlueTooth. 2007. Archived from the original on 14 February 2020 . Retrieved 25 October 2021. Bluetooth uses the radio frequency spectrum in the 2.402 GHz to 2.480 GHz range, [157] which is non-ionizing radiation, of similar bandwidth to that used by wireless and mobile phones. No specific harm has been demonstrated, even though wireless transmission has been included by IARC in the possible carcinogen list. Maximum power output from a Bluetooth radio is 100 mW for class 1, 2.5 mW for class 2, and 1 mW for class 3 devices. Even the maximum power output of class 1 is a lower level than the lowest-powered mobile phones. [158] UMTS and W-CDMA output 250 mW, GSM1800/1900 outputs 1000 mW, and GSM850/900 outputs 2000 mW. a b "How Bluetooth Works". How Stuff Works. 30 June 2010. Archived from the original on 4 April 2012 . Retrieved 12 April 2012.
Wi-Fi and Bluetooth are to some extent complementary in their applications and usage. Wi-Fi is usually access point-centered, with an asymmetrical client-server connection with all traffic routed through the access point, while Bluetooth is usually symmetrical, between two Bluetooth devices. Bluetooth serves well in simple applications where two devices need to connect with a minimal configuration like a button press, as in headsets and speakers. Scharon Harding (12 July 2022). "What's Bluetooth LE Audio? Explaining the spec and what it means for wireless sound". Ars Technica . Retrieved 21 July 2022. MWC 2017: Sony launches new 5G-ready Xperia XZ series with top-notch camera". IBT. 27 February 2017. Archived from the original on 3 October 2019 . Retrieved 3 October 2019. Using OOB with NFC enables pairing when devices simply get close, rather than requiring a lengthy discovery process.Kurawar, Arwa; Koul, Ayushi; Patil, Viki Tukaram (August 2014). "Survey of Bluetooth and Applications". International Journal of Advanced Research in Computer Engineering & Technology. 3: 2832–2837. ISSN 2278-1323. History of the Bluetooth Special Interest Group". Bluetooth.com. Archived from the original on 1 July 2015 . Retrieved 15 May 2015.
Bluetooth is a wireless technology used everywhere. There are several different Bluetooth versions launched every year to meet the demands of different users. With the growing demands for loT technology, users hope that the Bluetooth has some advanced features. So, Bluetooth 5.0 appeared in people’s views. Intel classifications are for general, educational and planning purposes only and consist of Export Control Classification Numbers (ECCN) and Harmonized Tariff Schedule (HTS) numbers. Any use made of Intel classifications are without recourse to Intel and shall not be construed as a representation or warranty regarding the proper ECCN or HTS. Your company as an importer and/or exporter is responsible for determining the correct classification of your transaction. The Bluetooth SIG completed the Bluetooth Core Specification version 4.0 (called Bluetooth Smart) and has been adopted as of 30June2010 [update]. It includes Classic Bluetooth, Bluetooth high speed and Bluetooth Low Energy (BLE) protocols. Bluetooth high speed is based on Wi-Fi, and Classic Bluetooth consists of legacy Bluetooth protocols.Nordicsemi.com". Nordic Semiconductor. Archived from the original on 2 April 2011 . Retrieved 7 April 2011. formerly RS-232) control signals over the Bluetooth baseband layer, i.e., it is a serial port emulation. A personal computer that does not have embedded Bluetooth can use a Bluetooth adapter that enables the PC to communicate with Bluetooth devices. While some desktop computers and most recent laptops come with a built-in Bluetooth radio, others require an external adapter, typically in the form of a small USB " dongle."
Woolley, Martin (24 June 2021). "Bluetooth Core Specification Version 5.3 Feature Enhancements" (PDF). bluetooth.com. Archived (PDF) from the original on 30 July 2021 . Retrieved 17 September 2021. A full trademark search on RadioWire couldn't be completed in time for launch, making Bluetooth the only choice. The name caught on fast and before it could be changed, it spread throughout the industry, becoming synonymous with short-range wireless technology. [11] Another major advantage of Bluetooth 5.0 is that it simultaneously enables two devices to pair with a third device. Imagine this scenario: there are two people with their wireless headphones listening to the same music from the same smartphone or controlling the speakers in your bathroom as well as your kitchen with just one phone. Bluetooth Experience Icons" (PDF). Bluetooth Special Interest Group. Archived from the original on 23 December 2018 . Retrieved 21 October 2016. Bluetooth Experience Icons borrow two of these three features: the blue color and the rune-inspired symbol. For low bandwidth applications where higher USB bandwidth is not required and cable-free connection desired.
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Just works: As the name implies, this method just works, with no user interaction. However, a device may prompt the user to confirm the pairing process. This method is typically used by headsets with minimal IO capabilities, and is more secure than the fixed PIN mechanism this limited set of devices uses for legacy pairing. This method provides no man-in-the-middle (MITM) protection. Class 1 Bluetooth Dongle Test". Amperordirect.com. Archived from the original on 10 October 2021 . Retrieved 4 September 2010. FMP – the "find me" profile – allows one device to issue an alert on a second misplaced device. [28] The Logical Link Control and Adaptation Protocol (L2CAP) is used to multiplex multiple logical connections between two devices using different higher level protocols. However, to take full advantage of Bluetooth 5.0, you will need the new and improved gear. For instance, you might need a Bluetooth adapter to make a device work properly. By plugging into a USB port, you can upgrade your device with the latest version.
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