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Last modified by Mengting Qiu on 2025/06/18 15:53
From version 141.10
edited by Mengting Qiu
on 2025/06/16 10:14
Change comment: There is no comment for this version
To version 143.1
edited by Mengting Qiu
on 2025/06/18 15:53
Change comment: There is no comment for this version

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982 982  
983 983  * Does your SIM card support NB-IoT network? If SIM card doesn't not specify support NB-IoT clearly, normally it doesn't support. You need to confirm with your operator.
984 984  * Do you configure the correct APN? [[Check here for APN settings>>http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.1GeneralConfiguretoattachnetwork]].
985 -* Do you lock the frequency band? This is the most case we see. [[Explain and Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.2SpeedUpNetworkAttachtime]].
985 +* Do you lock the frequency band? This is the most case we see. [[Explain and Instruction>>||anchor="H1.ConfigureFrequencyBand"]].
986 986  * Check if the device is attached to Carrier network but reject. (need to check with operator).
987 987  * Check if the antenna is connected firmly.
988 988  
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1018 1018  //Example~:// For the S31-CB's uplink interval modification (AT+TDC=900):
1019 1019  
1020 1020  * HEX format: (% style="color:blue" %)**01000384**(%%)  ~/~/ There are no Spaces. 0x0384(H)=900(D), that is, modify TDC to 900 seconds.
1021 -* JSON format: (% style="color:blue" %)**{AT+TDC=900}**(%%)**  **~/~/ The correct format is (% style="color:blue" %)**{AT Command}**(%%). No extra characters other than valid AT commands can be added within {}.
1021 +* JSON format: (% style="color:blue" %)**{AT+TDC=900}**(%%)**       **~/~/ The correct format is (% style="color:blue" %)**{AT Command}**(%%). No extra characters other than valid AT commands can be added within {}.
1022 1022  
1023 1023  (% style="color:red" %)**Note:**
1024 1024  
... ... @@ -1029,12 +1029,9 @@
1029 1029  (% style="color:red" %)**For example, the HEX-format downlink command corresponding to AT+TDC can only be used to configure TDC and cannot be used for queries. There is no HEX-format downlink command equivalent to AT+TDC=? , so querying TDC via downlink is not supported.**
1030 1030  
1031 1031  
1032 +**Template for Batch Configuration:**
1032 1032  
1033 -
1034 -Json：
1035 -
1036 -The Json format in MQTT mode needs to be configured with all commands.
1037 -If you have configurations that need to be changed, please change them in the template below.
1034 +We can also use templates to configure multiple commands AT once. Users only need to modify the parameters of the required AT commands in the correct template for each device.
1038 1038  Template:
1039 1039  
1040 1040  {
... ... @@ -1060,16 +1060,18 @@
1060 1060  "AT+TEMPALARM3":"0"
1061 1061  }
1062 1062  
1063 -Hex：
1060 +**Instructions for Using the Template:**
1064 1064  
1065 -MQTT's hex format. Since many commands need to support strings, only a few commands are supported.
1062 +1. Modify the parameters for each AT command in the template as needed.
1063 +1. Send the entire template in one downlink command.
1066 1066  
1067 -The supported commands are consistent with LoRaWAN's hex commands.
1068 -Please refer to the following link to obtain the hex format:
1065 +(% style="color:red" %)**Note:**
1069 1069  
1070 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
1067 +* The template may vary depending on the device model.
1068 +* **Currently, each specific template is being updated and tested**. If you need a template for your specific device, please contact **Dragino Technical Support** at [[support@dragino.com>>url:https://mailto:support@dragino.com/]] to request the latest downlink template.
1071 1071  
1072 1072  
1071 +
1073 1073  == 7.4 What if the signal is good but the domain name resolution fails? ==
1074 1074  
1075 1075