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LoRaWAN ® Application Layer Clock Synchronization Specification TS003-2.0.0 ©2022 LoRa Alliance ® Page 11 of 13 The authors reserve the right to change specifications without notice. 4 Revisions 349 4.1 Revision 1.0.0 350 • LoRaWAN ® Application Layer Clock Synchronization Specification v1.0.0 published 351 September 10, 2018 352 4.2 Revision 2.0.0 353 This revision of the document is version 2.0.0 354 • Normative keywords review 355 • Fix issue with AppTimeReq & ADR/NbTrans (as defined in LoRaWAN Link Layer 356 Specification [TS001]) 357 • Add iterative clock adjustment in AppTimeReq 358 • Editorial clean-up 359

• Cover
• 1 Conventions
• 2 Introduction
• 3 Clock Synchronization Message Package
• 3.1 Package Version Commands (PackageVersionReq, PackageVersionAns)
• 3.2 Application Time Commands (AppTimeReq, AppTimeAns)
• 3.2.1 DeviceTimeReq Equivalence
• 3.3 Application Device Time Periodicity Commands (DeviceAppTimePeriodicityReq, DeviceAppTimePeriodicityAns)
• 3.4 Force Device Resynchronization Command (ForceDeviceResyncCmd)
• 4 Revisions
• 4.1 Revision 1.0.0
• 4.2 Revision 2.0.0
• 5 Glossary
• 6 Bibliography
• 6.1 References