iOS设备BLE连接参数规范

1. Interval Max * (Slave Latency + 1) ≤ 2s
2. Interval Min ≥ 20ms
3. Interval Min + 20ms ≤ Interval Max
4. Slave Latency ≤ 4
5. connSupervisionTimeout ≤ 6s
6. Interval Max * (Slave Latency + 1) * 3 < connSupervisionTimeout