Issue link: https://read.uberflip.com/i/1540208
Regional Parameters RP002-1.0.5 ©2022-2025 LoRa Alliance ® Page 47 of 116 The authors reserve the right to change specifications without notice. 3.5.8 US902-928 Class B Beacon 8 909 The default downstream channel used for a given beacon is: 910 Channel = [ ( _ _ ) ] 8 911 • where beacon_time is the integer value of the 4 bytes Time field of the beacon frame 912 • where beacon_period is the periodicity of beacons, 128 seconds 913 • where floor(x) designates rounding to the integer immediately inferior or equal to x 914 Example: The first beacon will be transmitted on 923.3 MHz, the second 915 on 923.9 MHz, the 9 th beacon will be on 923.3 MHz again. 916 917 Beacon Channel Number Frequency [MHz] 0 923.3 1 923.9 2 924.5 3 925.1 4 925.7 5 926.3 6 926.9 7 927.5 Table 27: US902-928 beacon channels 918 The beacon frame content is defined in Section 5.1.3. 9 919 The default beacon data rate is DR8. 920 The default Class B PING_SLOT_CHANNEL is defined in the [TS001]. 921 3.5.9 US902-928 Relay Parameters 922 The Wake-On-Radio (WOR) default channels are: 923 Channel Index 0 1 Frequency WOR (MHz) 916.7 919.9 Frequency WOR ACK (MHz) 918.3 921.5 SF SF10 BW BW500 Table 28: US902-928 WOR default channel 924 3.5.10 US902-928 Default Settings 925 There are no specific default settings for the US902-928 MHz ISM band. 926 927 8 Class B beacon operation was first defined in the LoRaWAN 1.0.3 specification. 9 Prior to LoRaWAN 1.0.4, the US902-928 beacon format was defined here as: Size (bytes) 5 4 2 7 3 2 BCNPayload RFU Time CRC GwSpecific RFU CRC