Issue link: https://read.uberflip.com/i/1540208
Regional Parameters RP002-1.0.5 ©2022-2025 LoRa Alliance ® Page 71 of 116 The authors reserve the right to change specifications without notice. 3.9.7 CN470-510 Receive Windows 1413 The RX1 data rate depends on the transmit data rate (see Table 56 below). The RX2 default 1414 data rate is DR1. 1415 Upstream Data Rate Downstream Data Rate RX1DROffset 0 1 2 3 4 5 DR0 15 DR0 DR0 DR0 DR0 DR0 DR0 DR1 DR1 DR1 DR1 DR1 DR1 DR1 DR2 DR2 DR1 DR1 DR1 DR1 DR1 DR3 DR3 DR2 DR1 DR1 DR1 DR1 DR4 DR4 DR3 DR2 DR1 DR1 DR1 DR5 DR5 DR4 DR3 DR2 DR1 DR1 DR6 DR6 DR5 DR4 DR3 DR2 DR1 DR7 DR7 DR6 DR5 DR4 DR3 DR2 Table 56: CN470-510 downlink RX1 data rate mapping 1416 The allowed values for RX1DROffset are in the [0:5] range. Values in the range [6:7] are 1417 reserved for future use and end-devices SHALL NOT accept these settings in any command, 1418 neither a RXParamSetupReq, which SHALL cause a negative acknowledgement of 1419 RX1DROffsetACK in RXParamSetupAns, nor a Join-Accept which SHALL be silently 1420 ignored. 1421 3.9.7.1 Channel Plan for 20 MHz Antenna Systems 1422 For channel plan Type A: 1423 o The RX1 downlink channel is the same as the uplink channel number. 1424 o The RX2 channel number for OTAA devices is defined in Table 57. 1425 o The RX2 channel number for ABP devices is 486.9 MHz. 1426 1427 Common Join Channel Index Used in OTAA RX2 Default Frequency 0 485.3 MHz 1 486.9 MHz 2 488.5 MHz 3 490.1 MHz 4 491.7 MHz 5 493.3 MHz 6 494.9 MHz 7 496.5 MHz Table 57: RX2 default frequency for channel plan type A for 20 MHz antenna 1428 For channel plan Type B: 1429 o The RX1 downlink channel is the same as the uplink channel number. 1430 o The RX2 channel number for OTAA devices is defined in Table 58. 1431 o The RX2 channel number for ABP devices is 498.3 MHz. 1432 1433 Common Join Channel Index Used in OTAA RX2 Default Frequency 8 478.3 MHz 9 498.3 MHz Table 58: RX2 default frequency for channel plan type B for 20 MHz antenna 1434 1435