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LoRa Alliance 5177 Brandin Court, Fremont, CA 94538 USA LoRaWAN 1.0.4 End Device Certification Page 170 of 173 Requirements for All Regions Version 1.4 Copyright © 2021 LoRa Alliance, Inc. All rights reserved. www.lora-alliance.org The TCL sends Unconfirmed frame MAC-CMD NewChannelReq ChIndex = 7 Freq = 0 MHz Payload = [0x]07XXXXXXXXXX If the uplink was a Confirmed frame, send ACK 10 DUT sends Confirmed or Unconfirmed frame → MAC-CMD NewChannelAns Payload = [0x]0703 (for DC) Payload = [0x]0700 or no response is received (for FC) New channel removed 11 For DC plan devices only : Wait for [5* (number of channels currently enabled on the DUT)] uplink packets to be sent → R [5*NbC h] or [AllCh used] Channel removed is not used DUT does not use the removed channel 12 DUT sends Confirmed or Unconfirmed frame → The TCL sends Unconfirmed frame on RX1 window MAC-CMD DlChannelReq ChIndex = C (where C = Any default channel, refer [2]) Freq = X (where X = any allowed frequency other than the default frequency, refer [2]) Payload = [0x]0AXXXXXXXX If the uplink was a Confirmed frame, send ACK Change Freq 13 DUT sends Confirmed or Unconfirmed frame → MAC-CMD DlChannelAns Payload = [0x]0A03 (for DC) Payload = [0x]0A00 or no response is received (for FC) Steps 14-16 apply to only DC plan devices 14 DUT sends Confirmed or Unconfirmed frame Repeat up to 3 times until a downlink is received confirming the receipt of the DlChannelAns → R [max 3] MAC-CMD DlChannelAns Payload = [0x]0A03 15 DUT sends Confirmed or Unconfirmed frame → MAC-CMD DlChannelAns Payload = [0x]0A03 The TCL must send a Confirmed frame on RX1 window If the uplink was a Confirmed frame, send ACK 16 DUT sends Confirmed or Unconfirmed frame → R ACK Bit = True The TCL must send a Confirmed frame on RX1 window Repeat for a maximum of (5 * number of default channels) until the DUT sends an uplink on all default channels R [All default channel s] If the uplink was a Confirmed frame, send ACK

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