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Last modified by Mengting Qiu on 2025/07/03 18:55
From version 101.1
edited by Edwin Chen
on 2023/08/16 20:20
Change comment: Uploaded new attachment "image-20230816201942-1.png", version {1}
To version 104.4
edited by Xiaoling
on 2023/10/07 10:25
Change comment: There is no comment for this version

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Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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16 16  
17 17  = 2. Attach Network =
18 18  
19 +== 2.1 General Configure to attach network ==
19 19  
21 +
20 20  To attache NB-IoT sensors to NB-IoT Network, You need to:
21 21  
22 22  1. Get a NB-IoT SIM card from Service Provider. (Not the same as the SIM card we use in mobile phone)
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41 41  
42 42  
43 43  
46 +== 2.2 Speed Up Network Attach time ==
47 +
48 +
49 +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.
50 +
51 +(% style="color:#037691" %)**AT+QBAND?       ** (%%) ~/~/ Check what is the current used frequency band
52 +
53 +(% style="color:#037691" %)**AT+QBAND=1,4    ** (%%) ~/~/ Set to use 1 frequency band. Band4
54 +
55 +(% style="color:#037691" %)**AT+QBAND=2,8,20**  (%%) ~/~/ Set to use 2 frequency bands. Band 8 and Band 20
56 +
57 +
44 44  = 3. Configure to connect to different servers =
45 45  
46 46  == 3.1 General UDP Connection ==
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104 104  
105 105  [[image:image-20230802112413-4.png]]
106 106  
107 -[[image:image-20230802112413-5.png]]
121 +[[image:image-20230802112413-5.png||height="530" width="987"]]
108 108  
109 109  (% style="color:red" %)**Notice: MQTT protocol has a much higher power consumption compare with UDP/CoAP protocol. Please check the power analyze document and adjust the uplink  period to a suitable interval.**
110 110  
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116 116  
117 117  [[ThingSpeak>>url:https://thingspeak.com/]] connection uses MQTT Connection. So we need to get MQTT Credentials first. You need to point MQTT Devices to ThingSpeak Channel as well.
118 118  
119 -[[image:image-20230802112413-6.png]]
133 +[[image:image-20230802112413-6.png||height="336" width="925"]]
120 120  
121 121  [[image:image-20230802112413-7.png]]
122 122  
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161 161  
162 162  (% style="color:blue" %)**Result: **
163 163  
164 -[[image:image-20230802112413-11.png]]
178 +[[image:image-20230802112413-11.png||height="539" width="901"]]
165 165  
166 166  
167 167  === 3.3.3 Configure NB-IoT Sensor for connection ===
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188 188  ==== 3.3.3.2 Uplink Examples ====
189 189  
190 190  
191 -For S31-NB
205 +[[image:image-20230816201942-1.png]]
192 192  
193 193  For SE01-NB
194 194  
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219 219  When NB-IoT sensor upload to ThingSpeak. The payload already specify which fileds related to which sensor value. Use need to create fileds in Channels Settings. with name so to see the value correctly.
220 220  
221 221  
222 -[[image:image-20230802112413-12.png]]
236 +[[image:image-20230802112413-12.png||height="504" width="1011"]]
223 223  
224 -[[image:image-20230802112413-13.png]]
238 +[[image:image-20230802112413-13.png||height="331" width="978"]]
225 225  
226 226  
227 227  Below is the NB-IoT Product Table show the mapping.
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269 269  
270 270  (% style="color:blue" %)**Add Device**(%%) in DataCake.
271 271  
272 -[[image:image-20230808162301-1.png]]
286 +[[image:image-20230808162301-1.png||height="473" width="994"]]
273 273  
274 274  
275 275  [[image:image-20230808162342-2.png]]