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LoRaWAN® Regional Parameters RP002-1.0.4 ©2022 LoRa Alliance ® Page 85 of 101 The authors reserve the right to change specifications without notice. 2.13.4 RU864-870 Join-Accept CFList 1735 The RU864-870 band LoRaWAN implements an OPTIONAL CFList of 16 octets in the Join- 1736 Accept message for both CFListType 0 and CFListType 1. When receiving a CFListType 1737 1, it shall be interpreted according to the channel list definition in Section 2.3.2.1 (800 MHz 1738 Fixed Channel List Definition). 1739 2.13.5 RU864-870 LinkADRReq Command 1740 The RU864-870 channel plan of LoRaWAN supports a minimum of 24 and a maximum of 80 1741 channels. The ChMaskCntl field of the LinkADRReq command has the following meaning: 1742 1743 ChMaskCntl ChMask Applies To 0 Channels 0 to 15 1 Channels 16 to 31 2 Channels 32 to 47 3 Channels 48 to 63 4 Channels 64 to 79 5 10 LSBs control channel blocks 0 to 9, 6 MSBs are RFU 6 All channels ON: The device SHALL enable all currently defined channels independently of the ChMask field value. 7 RFU Table 92: RU864-870 ChMaskCntl value 1744 If ChMaskCntl = 5, the corresponding bits in the ChMask enable and disable a bank of eight 1745 channels defined by the following calculation: [ChannelMaskBit * 8, ChannelMaskBit * 8 1746 +7]. 1747 If the ChMaskCntl field value is RFU, the end-device SHALL 16 reject the command and unset 1748 the Channel mask ACK bit in its response. 1749 2.13.6 RU864-870 Maximum Payload Size 1750 The maximum MACPayload size length (M) is given by the following table. It is derived from 1751 a limitation of the PHY layer, depending on the effective modulation rate used, taking into 1752 account a possible repeater encapsulation layer. The maximum application payload length in 1753 the absence of the OPTIONAL FOpts control field (N) is also given for information only. The 1754 value of N might be smaller if the FOpts field is not empty. 1755 1756 Data Rate M N 0 59 51 1 59 51 2 59 51 3 123 115 4 230 222 5 230 222 6 230 222 7 230 222 8:15 Not defined Table 93: RU864-870 maximum payload size (repeater compatible) 1757 1758