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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 71.3
edited by Xiaoling
on 2023/06/13 10:22
Change comment: There is no comment for this version
To version 72.1
edited by Xiaoling
on 2023/06/13 10:24
Change comment: Uploaded new attachment "image-20230613102426-2.png", version {1}

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456 456  
457 457  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
458 458  
459 -Once DDS75-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS75-LB. If DDS75-LB fails to get the time from the server, DDS75-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
459 +Once DDS45-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS45-LB. If DDS45-LB fails to get the time from the server, DDS45-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
460 460  
461 461  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
462 462  
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622 622  
623 623  
624 624  (% class="wikigeneratedid" %)
625 -User can change firmware DDS75-LB to:
625 +User can change firmware DDS45-LB to:
626 626  
627 627  * Change Frequency band/ region.
628 628  
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641 641  
642 642  = 6. FAQ =
643 643  
644 -== 6.1  What is the frequency plan for DDS75-LB? ==
644 +== 6.1  What is the frequency plan for DDS45-LB? ==
645 645  
646 646  
647 -DDS75-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
647 +DDS45-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
648 648  
649 649  
650 -== 6.2  Can I use DDS75-LB in condensation environment? ==
650 +== 6.2  Can I use DDS45-LB in condensation environment? ==
651 651  
652 652  
653 -DDS75-LB is not suitable to be used in condensation environment. Condensation on the DDS75-LB probe will affect the reading and always got 0.
653 +DDS45-LB is not suitable to be used in condensation environment. Condensation on the DDS45-LB probe will affect the reading and always got 0.
654 654  
655 655  
656 656  = 7.  Trouble Shooting =
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701 701  = 8. Order Info =
702 702  
703 703  
704 -Part Number: (% style="color:blue" %)**DDS75-LB-XXX**
704 +Part Number: (% style="color:blue" %)**DDS45-LB-XXX**
705 705  
706 706  (% style="color:red" %)**XXX**(%%): **The default frequency band**
707 707  
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727 727  
728 728  (% style="color:#037691" %)**Package Includes**:
729 729  
730 -* DDS75-LB LoRaWAN Distance Detection Sensor x 1
730 +* DDS45-LB LoRaWAN Distance Detection Sensor x 1
731 731  
732 732  (% style="color:#037691" %)**Dimension and weight**:
733 733  
image-20230613102426-2.png
Author
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1 +XWiki.Xiaoling
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1 +89.3 KB
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