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Bluetooth Low Energy is distinct from the previous (often called "classic") Bluetooth Basic Rate/Enhanced Data Rate (BR/EDR) protocol, but the two protocols can both be supported by one device: the Bluetooth 4.0 specification permits devices to implement either or both of the LE and BR/EDR systems. Bluetooth Low Energy uses the same 2.4 GHz ...
The Surface Dial works on the screen of the Surface Studio, Surface Book 2 and Surface Pro 2017 and off-screen with other Windows 10 devices (that support Bluetooth 4.0 LE [30]) as well including the Surface Book and Surface Pro 4.
The way a device uses Bluetooth depends on its profile capabilities. The profiles provide standards that manufacturers follow to allow devices to use Bluetooth in the intended manner. For the Bluetooth Low Energy stack, according to Bluetooth 4.0 a special set of profiles applies.
Windows 8 and later support Bluetooth Low Energy (BLE). It is generally recommended to install the latest vendor driver and its associated stack to be able to use the Bluetooth device at its fullest extent. Apple products have worked with Bluetooth since Mac OS X v10.2, which was released in 2002. [60]
The list also includes devices running two additional flavours of Windows 10 for mobile devices, Windows 10 Mobile Enterprise and Windows 10 IoT Mobile Enterprise. All devices below come with SD card support. Processors supported are Qualcomm's Snapdragon 210, 212, 410, 617, 800, 801, 808, 810 and 820 as well as Rockchip's RK3288.
A Bluetooth LE Central device may establish a connection with an advertising Peripheral device by responding to a received connectable advertising packet with a PDU that requests a connection. A number of parameters are specified in the request. Amongst these parameters are connection interval, supervision timeout, peripheral latency and ...
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Bluetooth 2.1 improved device pairing speed and security. Bluetooth 3.0 again improved transfer speed up to 24 Mbit/s. In 2010 Bluetooth 4.0 (Low Energy) was released with its main focus being reduced power consumption. Before Bluetooth 4.0 the majority of connections using Bluetooth were two way, both devices listen and talk to each other.