Last modified by Mengting Qiu on 2025/03/08 11:33
<
From version < 133.1 >
edited by Edwin Chen
on 2024/02/07 23:40
To version < 121.1 >
edited by Bei Jinggeng
on 2024/01/29 17:46
>
Change comment: Uploaded new attachment "image-20240129174657-12.png", version {1}

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44 44  == 2.2 Speed Up Network Attach time ==
45 45  
46 46  
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 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.
48 48  
49 49  (% style="color:#037691" %)**AT+QBAND?       **(%%) ~/~/ Check what is the current used frequency band
50 50  
51 51  (% style="color:#037691" %)**AT+QBAND=1,4    **(%%) ~/~/ Set to use 1 frequency band. Band4
52 52  
53 -(% 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
54 54  
55 -(% style="color:#037691" %)**Verizon**(%%)** ** AT+QBAND=1,13
56 -(% style="color:#037691" %)**AT&T**(%%)           AT+QBAND=3,12,4,2
57 -(% style="color:#037691" %)**Telstra**(%%)        AT+QBAND=1,28
58 -(% style="color:#037691" %)**Softband**(%%)     AT+QBAND=2,3,8
59 59  
60 60  After connection is successful, user can use (% style="color:#037691" %)**AT+QENG=0 **(%%) to check which band is actually in used.
61 61  
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306 306  
307 307  === 3.4.2 For Device already registered in DataCake before shipped ===
308 308  
309 -==== 3.4.2.1 Scan QR Code to get the device info ====
305 +**Scan QR Code to get the device info.**
310 310  
311 311  Users can use their phones or computers to scan QR codes to obtain device data information.
312 312  
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315 315  [[image:image-20230808170548-9.png]]
316 316  
317 317  
318 -==== 3.4.2.2 Claim Device to User Account ====
319 -
320 -By Default, the device is registered in Dragino's DataCake Account. User can Claim it to his account.
321 -
322 -
323 -
324 324  === 3.4.3 Manual Add Decoder in DataCake ( don't use the template in DataCake) ===
325 325  
326 -**Step1:Add a device**
327 327  
328 -[[image:image-20240129170024-1.png||height="330" width="900"]]
329 -
330 -**Step2:Choose your device type,please select dragino NB-IOT device**
331 -
332 -[[image:image-20240129170216-2.png||height="534" width="643"]]
333 -
334 -**Step3:Choose to create a new device**
335 -
336 -[[image:image-20240129170539-3.png||height="459" width="646"]]
337 -
338 -**Step4:Fill in the device ID of your NB device**
339 -
340 -[[image:image-20240202111546-1.png||height="378" width="651"]]
341 -
342 -**Step5:Please select your device plan according to your needs and complete the creation of the device**
343 -
344 -[[image:image-20240129171236-6.png||height="450" width="648"]]
345 -
346 -**Step6:Please add the decoder at the payload decoder of the device configuration.**
347 -
348 -**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]]
349 -
350 -[[image:image-20240129172056-7.png||height="457" width="816"]]
351 -
352 -[[image:image-20240129173116-9.png||height="499" width="814"]]
353 -
354 -**Step6:Add the output of the decoder as a field**
355 -
356 -[[image:image-20240129173541-10.png||height="592" width="968"]]
357 -
358 -**Step7:Customize the dashboard and use fields as parameters of the dashboard**
359 -
360 -[[image:image-20240129174518-11.png||height="147" width="1042"]]
361 -
362 -[[image:image-20240129174657-12.png||height="538" width="916"]]
363 -
364 -[[image:image-20240129174840-13.png||height="536" width="750"]]
365 -
366 -
367 367  === 3.4.4 For device have not configured to connect to DataCake ===
368 368  
369 369  (% class="lead" %)
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621 621  (% style="color:blue" %)**See result in TCP Server:**
622 622  
623 623  [[image:image-20230807233631-2.png]]
624 -
625 -
626 -= 4. FAQ =
627 -
628 -== 4.1 What is the usage of Multi Sampling and One Uplink? ==
629 -
630 -The NB series has the feature for Multi Sampling and one uplink. See one of them
631 -
632 -[[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]]
633 -
634 -User can use this feature for below purpose:
635 -
636 -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.
637 -1. Give more sampling data points.
638 -1. Increase reliable in transmission. For example. If user set
639 -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)
640 -1*. **AT+NOUD=24** ~/~/  The device uploads 24 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
641 -1*. **AT+TDC=7200**  ~/~/ Uplink every 2 hours.
642 -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.
643 -
644 -
645 -= 5. Trouble Shooting: =
646 -
647 -== 5.1 Checklist for debuging Network Connection issue. Signal Strenght:99 issue. ==
648 -
649 -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.
650 -
651 -If end device successfully attached NB-IoT Network, User can normally see the signal strengh as below (between 0~~31)
652 -
653 -[[image:image-20240207002003-1.png]]
654 -
655 -
656 -If fail to attach network, it will shows signal 99. as below:
657 -
658 -[[image:image-20240207002129-2.png]]
659 -
660 -
661 -(% class="lead" %)
662 -When see this issue, below are the checklist:
663 -
664 -* 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.
665 -* 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]].
666 -* 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]].
667 -* Check if the device is attached to Carrier network but reject. (need to check with operator).
668 -* Check if the antenna is connected firmly.
669 -
670 -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.
671 -
672 -
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