Bluetooth Low Energy is designed to reduce power consumption. It can be put into a sleep mode and only activated for specific event activities such as sending data to a gateway, PC or mobile phone. Furthermore, the maximum power consumption is less than 15 mA and the average power consumption is about 1 uA. The foundations of low energy consumption are short messages and establishing very fast connections (few ms). Using these techniques, energy consumption is reduced to a tenth of a Classic Bluetooth unit. Thus, a small coin cell – such as a CR2032 – is capable of powering a device for up to 10 years of operation.
PAN1740 Bluetooth Module Quick Start