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Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).
With newer chipsets and advances in software, by 2014 both Android and iOS phones had negligible power consumption in real-life Bluetooth Low Energy use. 2M PHY. Bluetooth 5 has introduced a new transmission mode with a doubled symbol rate. Bluetooth LE has been traditionally transmitting 1 bit per symbol so that theoretically the data rate ...
This is designed for cordless phones to work using Bluetooth. It is hoped that mobile phones could use a Bluetooth CTP gateway connected to a landline when within the home, and the mobile phone network when out of range. It is central to the Bluetooth SIG's "3-in-1 phone" use case. Device ID Profile (DIP)
The most commonly used are USB (in PCs) and UART (in mobile phones and PDAs). In Bluetooth devices with simple functionality (e.g., headsets), the host stack and controller can be implemented on the same microprocessor. In this case the HCI is optional, although often implemented as an internal software interface. Low Energy Link Layer (LE LL)
Personal digital assistant. A personal digital assistant ( PDA) is a multi-purpose mobile device which functions as a personal information manager. By 2007, PDAs have been mostly displaced by the widespread adoption of more highly capable smartphones, in particular those based on iOS and Android, and thus saw a rapid decline afterwards.
Major web browsers available [105] Chrome for Android, Opera, Firefox, Microsoft Edge, Samsung Internet. Safari, Chrome for iOS, Opera, Firefox, Microsoft Edge. Tizen Browser (Based on UC Browser) Sailfish Browser (Gecko), Webcat (WebKit), Web Pirate (WebKit), others via Android (Firefox, Chrome, Opera) Morph Browser.
Bluesnarfing. Bluesnarfing is the unauthorized access of information from a wireless device through a Bluetooth connection, often between phones, desktops, laptops, and PDAs ( personal digital assistant ). [1] This allows access to calendars, contact lists, emails and text messages, and on some phones, users can copy pictures and private videos.
Distributions for existing phones. KDE Plasma Mobile running on postmarketOS on the Nexus 5. postmarketOS, Ubports, and KDE Neon are open-source distributions running on existing smartphones originally running Android. Maemo Leste is available for Nokia N900 and Motorola Droid 4.