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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.25
edited by Xiaoling
on 2022/06/06 11:11
Change comment: There is no comment for this version
To version 41.28
edited by Xiaoling
on 2022/06/06 11:12
Change comment: There is no comment for this version

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1404 1404  [[image:1654136105500-922.png]]
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1406 1406  
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1407 1407  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
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1408 1408  
1409 1409  
1410 1410  == 5.2 Common AT Command Sequence ==
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1429 1429  )))
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1431 1431  
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1432 1432  If device already joined network:
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1433 1433  
1434 1434  (% class="box infomessage" %)
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1469 1469  (% style="color:red" %)**Note:**
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1471 1471  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1472 1472  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1473 1473  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1474 1474  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
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1475 1475  
1476 1476  [[image:1654136435598-589.png]]
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