Issue link: https://read.uberflip.com/i/1428359
LoRaWAN 1.0.3 Regional Parameters ©2018 LoRa™ Alliance Page 26 of 71 The authors reserve the right to change specifications without notice. 571 Example: the first beacon will be transmitted on 923.3Mhz , the second 572 on 923.9MHz, the 9 th beacon will be on 923.3Mhz again. 573 574 575 Beacon channel nb Frequency [MHz] 0 923.3 1 923.9 2 924.5 3 925.1 4 925.7 5 926.3 6 926.9 7 927.5 576 577 The beacon frame content is: 578 Size (bytes) 5 4 2 7 3 2 BCNPayload RFU Time CRC GwSpecific RFU CRC 579 2.3.9 US902-928 Default Settings 580 The following parameters are recommended values for the US902-928 band. 581 RECEIVE_DELAY1 1 s 582 RECEIVE_DELAY2 2 s (MUST be RECEIVE_DELAY1 + 1s) 583 JOIN_ACCEPT_DELAY1 5 s 584 JOIN_ACCEPT_DELAY2 6 s 585 MAX_FCNT_GAP 16384 586 ADR_ACK_LIMIT 64 587 ADR_ACK_DELAY 32 588 ACK_TIMEOUT 2 +/- 1 s (random delay between 1 and 3 seconds) 589 If the actual parameter values implemented in the end-device are different from those default 590 values (for example the end-device uses a longer RECEIVE_DELAY1 & 2 latency), those 591 parameters MUST be communicated to the network server using an out-of-band channel 592 during the end-device commissioning process. The network server may not accept 593 parameters different from those default values. 594 595