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LoRaWAN® Regional Parameters RP002-1.0.4 ©2022 LoRa Alliance ® Page 63 of 101 The authors reserve the right to change specifications without notice. 2.9.7 CN470-510 Receive Windows 1243 The RX1 data rate depends on the transmit data rate (see Table 46 below). The RX2 default 1244 data rate is DR1. 1245 Upstream Data Rate Downstream Data Rate RX1DROffset 0 1 2 3 4 5 DR0 30 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 46: CN470-510 downlink RX1 data rate mapping 1246 The allowed values for RX1DROffset are in the [0:5] range. Values in the range [6:7] are 1247 reserved for future use. 1248 2.9.7.1 Channel Plan for 20 MHz Antenna Systems 1249 For channel plan Type A: 1250 o The RX1 downlink channel is the same as the uplink channel number. 1251 o The RX2 channel number for OTAA devices is defined in Table 47. 1252 o The RX2 channel number for ABP devices is 486.9 MHz. 1253 1254 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 47: RX2 default frequency for channel plan type A for 20 MHz antenna 1255 For channel plan Type B: 1256 o The RX1 downlink channel is the same as the uplink channel number. 1257 o The RX2 channel number for OTAA devices is defined in Table 48. 1258 o The RX2 channel number for ABP devices is 498.3 MHz. 1259 1260 Common Join Channel Index Used in OTAA RX2 Default Frequency 8 478.3 MHz 9 498.3 MHz Table 48: RX2 default frequency for channel plan type B for 20 MHz antenna 1261 1262

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