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1. Channel Sounding, including Channel Sounding HCI Updates
- distance measurement
- CS uses an additional modulation scheme known as amplitude-shift keying (ASK)
2. LL Extended Feature Set
- read all LE local/remote features
3. Decision-Based Advertising Filtering
- Reduce the time it takes to receive an ADV by ignoring an uninterested ADV
4. Enhancements for ISOAL
5. Monitoring Advertisers
- The host component of an observer device may instruct the Bluetooth LE controller to filter duplicate advertising packets.
6. Frame Space Update
- Can change frame spacing (T_IFS) in LE Audio CIS(connected isochronic stream)
- It was fixed at 150 µs in spec
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