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

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1404 1404  [[image:1654136105500-922.png]]
1405 1405  
1406 1406  
1407 -(((
1408 1408  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
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1410 1410  
1411 1411  
1412 1412  == 5.2 Common AT Command Sequence ==
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1431 1431  )))
1432 1432  
1433 1433  
1434 -(((
1435 1435  If device already joined network:
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1437 1437  
1438 1438  (% class="box infomessage" %)
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1472 1472  
1473 1473  (% style="color:red" %)**Note:**
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1475 -(((
1476 1476  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1477 1477  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1478 1478  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.
1479 1479  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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1481 1481  
1482 1482  [[image:1654136435598-589.png]]
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