Bluetooth LE

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Bluetooth LE

(Bluetooth Low Energy) The low-power transmission technology introduced in Bluetooth 4. Using watch batteries, Bluetooth LE devices can operate for months or years before requiring replacement. Operating in the 2.4GHz frequency band, Bluetooth LE supports peer-to-peer and star topologies. See ANT.

Smart = Low Power; Smart Ready = All Bluetooth
Products with the Bluetooth "Smart" branding use only low-power Bluetooth LE transmission, whereas Bluetooth "Smart Ready" devices support both classic Bluetooth and Bluetooth LE.

Wibree -> ULP -> BLE
Originally the Wibree technology from Nokia, Wibree was renamed Bluetooth Ultra Low Power (ULP) in 2007 and Bluetooth LE (BLE) in 2009. See Bluetooth versions.
References in periodicals archive ?
Following the acquisition, the Quintic Wearable and BTLE team will join NXP.
The BTLE business is projected to become a leader in its field, complementing NXP's range of ultra-low power connectivity standards related to the IoT, said NXP general manager and senior VP of emerging businesses Mark Hamersma.
Quintic has impressive customer traction with its standalone BTLE solutions, especially in the Chinese eco-system that it operates in, and is a leader in developing innovative integrated solutions for the nascent wearables market.
M2 EQUITYBITES-November 24, 2014-NXP Semiconductors to buy Quintic's BTLE business
The module is also pre-loaded with the Microchip Low-energy Data Profile (MLDP), which enables designers to easily stream any type of data across the BTLE link.