Issue link: https://read.uberflip.com/i/1428359
LoRaWAN 1.0.3 Regional Parameters ©2018 LoRa™ Alliance Page 49 of 71 The authors reserve the right to change specifications without notice. "Retransmissions back-off" of the LoRaWAN specification document. 1178 1179 2.8.3 AS923 Data Rate and End-point Output Power encoding 1180 The "TxParamSetupReq/Ans" MAC command MUST be implemented by the AS923 devices. 1181 The following encoding is used for Data Rate (DR) in the AS923 band: 1182 1183 DataRate Configuration Indicative physical bit rate [bit/s] 0 LoRa: SF12 / 125 kHz 250 1 LoRa: SF11 / 125 kHz 440 2 LoRa: SF10 / 125 kHz 980 3 LoRa: SF9 / 125 kHz 1760 4 LoRa: SF8 / 125 kHz 3125 5 LoRa: SF7 / 125 kHz 5470 6 LoRa: SF7 / 250 kHz 11000 7 FSK: 50 kbps 50000 8..15 RFU Table 51: AS923 Data rate table 1184 1185 The TXPower table indicates power levels relative to the Max EIRP level of the end-device, 1186 as per the following table: 1187 1188 TXPower Configuration (EIRP) 0 Max EIRP 1 Max EIRP – 2dB 2 Max EIRP – 4dB 3 Max EIRP – 6dB 4 Max EIRP – 8dB 5 Max EIRP – 10dB 6 Max EIRP – 12dB 7 Max EIRP – 14dB 8..15 RFU Table 52: AS923 TxPower table 1189 1190 EIRP refers to the Equivalent Isotropically Radiated Power, which is the radiated output 1191 power referenced to an isotropic antenna radiating power equally in all directions and whose 1192 gain is expressed in dBi. 1193 By default Max EIRP SHALL be 16dBm.The Max EIRP can be modified by the network 1194 server through the TxParamSetupReq MAC command and SHOULD be used by both the 1195 end-device and the network server once TxParamSetupReq is acknowledged by the device 1196 via TxParamSetupAns, 1197 1198