BLE 타임라인

The first Bluetooth specification to include Low Energy (LE), enabling coin-cell-powered sensors and accessories.

Improved coexistence with LTE, added connection-oriented channels, and allowed dual-mode topology changes.

Added LE Data Length Extension for higher throughput, LE Secure Connections for improved security, and IPv6 support via 6LoWPAN.

Doubled the speed (2 Mbps LE 2M PHY), quadrupled the range (LE Coded PHY), and increased advertising capacity 8x with extended advertising.

Introduced direction finding with Angle of Arrival (AoA) and Angle of Departure (AoD) for centimeter-level positioning.

Added LE Audio with LC3 codec, isochronous channels for synchronized audio, and Enhanced Attribute Protocol (EATT).

Improved connection subrating for better power efficiency, enhanced periodic advertising, and channel classification.

Introduced Periodic Advertising with Responses (PAwR) for electronic shelf labels and encrypted advertising data.

Major release with Channel Sounding for centimeter-accurate ranging, decision-based advertising filtering, and monitoring advertisers.