Dec 15, 2011
First Smartphone with Bluetooth 4.0
Bluetooth 4.0 offers the highest efficiency and so longer autonomous work, moreover, unbelievable operating range.
Lower power consumption is achieved with the help of special work scheme: the transmitter switches on only when the data is sent, so it can work with one battery in the headset for several years.
The standard provides a data rate of 1 Мbit/s with a packet size of 8-27 bite. Devices can connect in less than 5 milliseconds. In this situation the protocol has full backward compatibility.
The first Bluetooth 4.0 supporters were Apple – Mac mini and MacBook Air, released in 2011. Taking into consideration the fact that producers of mobile devices love greatly Apple innovative ideas soon there will be lots of mobile devices with Bluetooth 4.0.
Examples of devices that need further categorized on medical equipment such as pedometers, heart rate straps, and blood glucose monitors.
And also we cannot but mention the operating range of these modules. it is about 50 meters in a low-power mode and 100 meters in a standard mode.