Last modified by Mengting Qiu on 2025/03/08 11:33
<
From version < 145.1 >
edited by Edwin Chen
on 2024/02/29 23:34
To version < 112.1 >
edited by Bei Jinggeng
on 2024/01/29 17:05
>
Change comment: Uploaded new attachment "image-20240129170539-3.png", version {1}

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22 22  To attache NB-IoT sensors to NB-IoT Network, You need to:
23 23  
24 24  1. Get a NB-IoT SIM card from Service Provider. (Not the same as the SIM card we use in mobile phone)
25 -1. Power Off End Node ( See below for the power off/on position)
26 -1. Insert the SIM card to Sensor. ( See below for direction)
27 -1. Power On End Node
25 +1. Insert the SIM card to Sensor
28 28  1. [[Configure APN>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20configure%20APN%20in%20the%20node/]] in the sensor (AT+APN=<APN>)
29 29  
30 -[[image:image-20240208102804-1.png||height="286" width="696"]]
31 -
32 32  [[image:image-20230808205045-1.png||height="293" width="438"]]
33 33  
34 34  After doing above, the NB-IoT Sensors should be able to attach to NB-IoT network .
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48 48  == 2.2 Speed Up Network Attach time ==
49 49  
50 50  
51 -BC660K-GL supports multi bands (% style="color:blue" %)**B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B28/B66/B70/B85. **(%%) It will search one by one and try to attach, this will take a lot of time and even cause attach fail and show Signal Strenght:99. User can lock the band to specify band for its operator to make this faster.
47 +BC660K-GL supports multi bands (% style="color:blue" %)**B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B28/B66/B70/B85. **(%%) It will search one by one and try to attach, this will take a lot of time and even cause attach fail. User can lock the band to specify band for its operator to make this faster.
52 52  
53 53  (% style="color:#037691" %)**AT+QBAND?       **(%%) ~/~/ Check what is the current used frequency band
54 54  
55 55  (% style="color:#037691" %)**AT+QBAND=1,4    **(%%) ~/~/ Set to use 1 frequency band. Band4
56 56  
57 -(% style="color:#037691" %)**Europe General**(%%) **AT+QBAND=2,8,20 ** ~/~/ Set to use 2 frequency bands. Band 8 and Band 20
53 +(% style="color:#037691" %)**AT+QBAND=2,8,20 **(%%) ~/~/ Set to use 2 frequency bands. Band 8 and Band 20
58 58  
59 -(% style="color:#037691" %)**Verizon**(%%)** ** AT+QBAND=1,13
60 -(% style="color:#037691" %)**AT&T**(%%)           AT+QBAND=3,12,4,2
61 -(% style="color:#037691" %)**Telstra**(%%)        AT+QBAND=1,28
62 -(% style="color:#037691" %)**Softband**(%%)     AT+QBAND=2,3,8
63 63  
64 64  After connection is successful, user can use (% style="color:#037691" %)**AT+QENG=0 **(%%) to check which band is actually in used.
65 65  
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94 94  
95 95  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5601**  (%%) ~/~/  Set UDP server address and port
96 96  
89 +* (% style="color:#037691" %)**AT+CFM=1**    (%%) ~/~/  If the server does not respond, this command is unnecessary
90 +
97 97  [[image:image-20230802112413-2.png]]
98 98  
99 99  
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308 308  
309 309  === 3.4.2 For Device already registered in DataCake before shipped ===
310 310  
311 -==== 3.4.2.1 Scan QR Code to get the device info ====
305 +**Scan QR Code to get the device info.**
312 312  
313 313  Users can use their phones or computers to scan QR codes to obtain device data information.
314 314  
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317 317  [[image:image-20230808170548-9.png]]
318 318  
319 319  
320 -==== 3.4.2.2 Claim Device to User Account ====
321 -
322 -By Default, the device is registered in Dragino's DataCake Account. User can Claim it to his account.
323 -
324 -
325 -
326 326  === 3.4.3 Manual Add Decoder in DataCake ( don't use the template in DataCake) ===
327 327  
328 -**Step1:Add a device**
329 329  
330 -[[image:image-20240129170024-1.png||height="330" width="900"]]
331 -
332 -**Step2:Choose your device type,please select dragino NB-IOT device**
333 -
334 -[[image:image-20240129170216-2.png||height="534" width="643"]]
335 -
336 -**Step3:Choose to create a new device**
337 -
338 -[[image:image-20240129170539-3.png||height="459" width="646"]]
339 -
340 -**Step4:Fill in the device ID of your NB device**
341 -
342 -[[image:image-20240202111546-1.png||height="378" width="651"]]
343 -
344 -**Step5:Please select your device plan according to your needs and complete the creation of the device**
345 -
346 -[[image:image-20240129171236-6.png||height="450" width="648"]]
347 -
348 -**Step6:Please add the decoder at the payload decoder of the device configuration.**
349 -
350 -**Decoder location:**[[dragino-end-node-decoder/Datacake-Dragino_NB at main · dragino/dragino-end-node-decoder (github.com)>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Datacake-Dragino_NB]]
351 -
352 -[[image:image-20240129172056-7.png||height="457" width="816"]]
353 -
354 -[[image:image-20240129173116-9.png||height="499" width="814"]]
355 -
356 -**Step6:Add the output of the decoder as a field**
357 -
358 -[[image:image-20240129173541-10.png||height="592" width="968"]]
359 -
360 -**Step7:Customize the dashboard and use fields as parameters of the dashboard**
361 -
362 -[[image:image-20240129174518-11.png||height="147" width="1042"]]
363 -
364 -[[image:image-20240129174657-12.png||height="538" width="916"]]
365 -
366 -[[image:image-20240129174840-13.png||height="536" width="750"]]
367 -
368 -
369 369  === 3.4.4 For device have not configured to connect to DataCake ===
370 370  
371 371  (% class="lead" %)
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623 623  (% style="color:blue" %)**See result in TCP Server:**
624 624  
625 625  [[image:image-20230807233631-2.png]]
626 -
627 -
628 -= 4. FAQ =
629 -
630 -== 4.1 What is the usage of Multi Sampling and One Uplink? ==
631 -
632 -The NB series has the feature for Multi Sampling and one uplink. See one of them
633 -
634 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-NB_BN-IoT_Sensor_Node_User_Manual/#H2.5Multi-SamplingsandOneuplink>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-NB_BN-IoT_Sensor_Node_User_Manual/#H2.5Multi-SamplingsandOneuplink]]
635 -
636 -User can use this feature for below purpose:
637 -
638 -1. **Reduce power consumption**. The NB-IoT transmit power is much more higher than the sensor sampling power. To save battery life, we can sampling often and send in one uplink.
639 -1. Give more sampling data points.
640 -1. Increase reliable in transmission. For example. If user set
641 -1*. **AT+TR=1800** ~/~/ The unit is seconds, and the default is to record data once every 1800 seconds (30 minutes, the minimum can be set to 180 seconds)
642 -1*. **AT+NOUD=24** ~/~/  The device uploads 24 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
643 -1*. **AT+TDC=7200**  ~/~/ Uplink every 2 hours.
644 -1*. this will mean each uplink will actually include the 6 uplink data (24 set data which cover 12 hours). So if device doesn;t lost 6 continue data. There will not data lost.
645 -
646 -
647 -== 4.2 Why the uplink JSON format is not standard? ==
648 -
649 -The json format in uplink packet is not standard Json format. Below is the example. This is to make the payload as short as possible, due to NB-IoT transmit limition, a standard Json is not able to include 32 sets of sensors data with timestamp.
650 -
651 -[[image:image-20240229233154-1.png]]
652 -
653 -
654 -
655 -= 5. Trouble Shooting: =
656 -
657 -== 5.1 Checklist for debuging Network Connection issue. Signal Strenght:99 issue. ==
658 -
659 -There are many different providers provide NB-IoT service in the world. They might use different band, different APN & different operator configuration. Which makes connection to NB-IoT network is complicate.
660 -
661 -If end device successfully attached NB-IoT Network, User can normally see the signal strengh as below (between 0~~31)
662 -
663 -[[image:image-20240207002003-1.png]]
664 -
665 -
666 -If fail to attach network, it will shows signal 99. as below:
667 -
668 -[[image:image-20240207002129-2.png]]
669 -
670 -
671 -(% class="lead" %)
672 -When see this issue, below are the checklist:
673 -
674 -* 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.
675 -* 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]].
676 -* 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]].
677 -* Check if the device is attached to Carrier network but reject. (need to check with operator).
678 -* Check if the antenna is connected firmly.
679 -
680 -If you have check all above and still fail. please send console log files (as many as possible) to [[support@dragino.com>>mailto:support@dragino.com]] so we can check.
681 -
682 -
683 -== 5.2 Issue: "NBIOT did not respond" ==
684 -
685 -(% class="box errormessage" %)
686 -(((
687 -11:24:22.397 [44596]NBIOT did not respond.
688 -11:24:24.315 [46530]NBIOT did not respond.
689 -11:24:26.256 [48464]NBIOT did not respond.
690 -11:24:28.196 [50398]NBIOT did not respond.
691 -11:24:30.115 [52332]NBIOT did not respond.
692 -11:24:32.127 [54266]NBIOT did not respond.
693 -11:24:32.127 [54299]Restart the module...
694 -11:24:39.181 [61332]No response when shutting down
695 -)))
696 -
697 -This issue might due to initiate issue for NB-IoT module. In this case, please try:
698 -
699 -1) Open Enclosure
700 -
701 -2) Power off device by pull out the power on Jumper
702 -
703 -3) Power on device by connect back the power jumper.
704 -
705 -4) push reset button.
706 -
707 -[[image:image-20240208001740-1.png]]
708 -
709 -
710 -== 5.3 Issue: "Failed to readI MSI number" ==
711 -
712 -(% class="box errormessage" %)
713 -(((
714 -[18170]Failed to read IMSI:1umber.
715 -[20109]Failed to read IMSI numoer.
716 -[22048]Failed to read IMSI number.
717 -[29842lRestart the module...
718 -)))
719 -
720 -Make sure that the SIM card is insert in correct direction and device is power off/on during insert. Here is reference link: [[Insert SIM Card>>||anchor="H2.1GeneralConfiguretoattachnetwork"]].
721 -
722 -
723 -== 5.4 Why sometime the AT Command is slow in reponse? ==
724 -
725 -When the MCU is communicating with the NB-IoT module, the MCU response of AT Command will become slower, it might takes several seconds to response.
726 -
727 -[[image:image-20240226111928-1.png]]
728 -
729 -
730 -
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