about Connection Interval

We have tried the following changes,  but couldn't get expecting results.

Sometimes unable to pair two devices / Sometimes fails to link with one device

Could you answer the inquiry 1 & 2?

[SDK ver.]

2.7.0

[Changes]

  • Changed the Connection Interval from 100ms to 30ms

[Results]

  • Link time: Reduced from 7.0s to 2.5s
  • Pairing time: Reduced from 7.0s to 0.7s
  • The following issues occurred:
    • Unable to pair two devices / Sometimes fails to link with one device

☆[Inquiry 1]

  • Please explain the technical reasons for the reduction in link time and pairing time.

☆[Inquiry 2]

  • Please explain the causes of the above issues.
  • Are there any other parameters that need to be adjusted accordingly?
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