Document

LoRaWAN® Regional Parameters RP002-1.0.4 ©2022 LoRa Alliance ® Page 31 of 101 The authors reserve the right to change specifications without notice. The end-device SHALL create an additional channel at the frequency specified by the 533 Channel-ID, numbered sequentially in order of Channel-ID, starting after the last default 534 channel, for each bit set in the CFList. 535 536 These channel definitions represent a superset of common channels in widespread use in AS- 537 923-1, AS-923-2, AS-923-3, AS-923-4, and KR920. 538 2.4 EU863-870 MHz Band 539 2.4.1 EU863-870 Preamble Format 540 Refer to Section 4, "Physical Layer". 541 2.4.2 EU863-870 Band Channel Frequencies 542 This section applies to any region where the radio spectrum use is defined by the ETSI 543 [EN300.220-2] standard. 544 The network channels can be freely attributed by the network operator. However, the three 545 following default channels SHALL be implemented in every EU863-870 end-device. Network 546 gateways SHALL be listening on one or more of these channels. 547 548 Modulation Bandwidth [kHz] Channel Frequency [MHz] LoRa DR / Bitrate Number of Channels Duty Cycle LoRa 125 868.10 868.30 868.50 DR0 to DR5 / 0.3-5 kbps 3 < 1% Table 6: EU863-870 default channels 549 In order to access the physical medium, the ETSI regulations impose some restrictions, such 550 as the maximum time the transmitter can be on, or the maximum time a transmitter can 551 transmit per hour. The ETSI regulations allow the choice of using either a duty-cycle limitation 552 or a so-called Listen Before Talk Adaptive Frequency Agility (LBT AFA) transmissions 553 management. The current LoRaWAN specification exclusively uses duty-cycled limited 554 transmissions to comply with the ETSI regulations. 555 EU868 end-devices SHALL be capable of operating in the 863 to 870 MHz frequency band 556 and SHALL feature a channel data structure to store the parameters of at least 24 channels. 557 A channel data structure corresponds to a frequency and a set of data rates usable on this 558 frequency. 559 The first three channels correspond to 868.1, 868.3, and 868.5 MHz / DR0 to DR5 and SHALL 560 be implemented in every end-device. For devices compliant with [TS001-1.0.x], those default 561 channels SHALL NOT be modified through the NewChannelReq command. For devices 562 compliant with [TS001-1.1.x] and beyond, these channels MAY be modified through 563 NewChannelReq command but SHALL be reset during the back-off procedure defined in 564 [TS001] to guarantee a minimal common channel set between end-devices and network 565 gateways. 566 The following table gives the list of frequencies that SHALL be used by end-devices to 567 broadcast the Join-Request message. The Join-Request message transmit duty-cycle SHALL 568 follow the rules described in chapter "Retransmissions back-off" of the LoRaWAN [TS001] 569 specification document. 570 571

• Cover