Last modified by Mengting Qiu on 2025/03/08 11:35
<
From version < 8.1 >
edited by David Huang
on 2024/06/07 14:59
To version < 36.1 >
edited by Mengting Qiu
on 2024/08/20 11:00
>
Change comment: Uploaded new attachment "image-20240820110003-1.png", version {1}

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55 55  
56 56  **BG95-M2** supports multi bands (% style="color:blue" %)**in NB-IoT and LTE-M. **(%%) 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**.
57 57  
58 +**Note:**Before using the NB module command, users need to power on the NB module. Run the AT+QSW command to turn on and off the NB module.Remember to shut down after using the NB module command, otherwise it will consume power.
58 58  
59 59  Attache to 1NCE card for Australia use:
60 60  
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70 70  
71 71  See bands used for different provider:** [[NB-IoT Deployment , Bands, Operator list>>http://wiki.dragino.com/xwiki/bin/view/Main/NB-IoT%20Deployment%20%2C%20Bands%2C%20Operator%20list/]]**
72 72  
74 +=== **1.Configure Frequency Band** ===
73 73  
76 +AT+QCFG="band"[,<GSM_bandval>,<eMTC_bandval>,<NB-IoT_bandval>[,<effect>]]
74 74  
78 +<GSM_bandval>:
79 +
80 +0 No change 
81 +0x1 EGSM900
82 +0x2 DCS1800
83 +0x4 GSM850 
84 +0x8 PCS1900 
85 +0xF All of the supported bands above
86 +
87 +<eMTC_bandval>:
88 +
89 +0 No change 
90 +0x1  LTE B1
91 +0x2  LTE B2 
92 +0x4  LTE B3 
93 +0x8  LTE B4 
94 +0x10  LTE B5 
95 +0x80  LTE B8 
96 +0x800  LTE B12 
97 +0x1000  LTE B13 
98 +0x20000  LTE B18 
99 +0x40000  LTE B19 
100 +0x80000  LTE B20 
101 +0x1000000  LTE B25 
102 +0x2000000  LTE B26 
103 +0x4000000  LTE B27 
104 +0x8000000  LTE B28 
105 +0x40000000  LTE B31 
106 +0x20000000000000000  LTE B66 
107 +0x800000000000000000  LTE B72 
108 +0x1000000000000000000  LTE B73 
109 +0x1000000000000000000000  LTE B85
110 +
111 +<NB-IoT_bandval>:
112 +
113 +0 No change 
114 +0x1  LTE B1
115 +0x2  LTE B2 
116 +0x4  LTE B3 
117 +0x8  LTE B4 
118 +0x10  LTE B5 
119 +0x80  LTE B8 
120 +0x800  LTE B12 
121 +0x1000  LTE B13 
122 +0x20000  LTE B18 
123 +0x40000  LTE B19 
124 +0x80000  LTE B20 
125 +0x1000000  LTE B25 
126 +0x8000000  LTE B28 
127 +0x40000000  LTE B31 
128 +0x20000000000000000  LTE B66
129 +
130 +0x400000000000000000  LTE B71
131 +0x800000000000000000  LTE B72 
132 +0x1000000000000000000  LTE B73 
133 +0x1000000000000000000000  LTE B85
134 +
135 +For example, setting the LTE-M network frequency band to 3.
136 +
137 +AT+QCFG="band",0xF,0x4,0,1
138 +
139 +When searching for all bands, the value of this command is set to:
140 +
141 +AT+QCFG="band",0xF,0x100002000000000f0e189f,0x10004200000000090e189f,1
142 +
143 +
144 +=== **2.Configure search network sequence** ===
145 +
146 +AT+QCFG="nwscanseq",<scanseq>,1
147 +
148 +<scanseq>:
149 +
150 +00 Automatic (eMTC → NB-IoT → GSM) 
151 +01 GSM 
152 +02 eMTC 
153 +03 NB-IoT
154 +
155 +AT+QCFG="nwscanseq",02,1  ~/~/Priority search for eMTC
156 +
157 +=== **3.Configure Network Category to be Searched for under LTE RAT** ===
158 +
159 +AT+QCFG="iotopmode",mode,1
160 +
161 +0 eMTC 
162 +1 NB-IoT 
163 +2 eMTC and NB-IoT
164 +
165 +=== **4.AT command to set frequency band and network category** ===
166 +
167 +AT+QBAND=0x100002000000000f0e189f,0x10004200000000090e189f  ~/~/<eMTC_bandval>,<NB-IoT_bandval>
168 +
169 +AT+IOTMOD=0  ~/~/ 0 eMTC  1 NB-IoT  2 eMTC and NB-IoT
170 +
171 +**Example :**
172 +
173 +Taking the use of 1nce cards in **the United States** as an example.
174 +
175 +AT+APN=iot.1nce.net  ~/~/set APN
176 +
177 +AT+QBAND=0x100180A,0  ~/~/ eMTC ：Set frequency band B2,B4,B12,B13,B25  NB-IoT：No change
178 +
179 +AT+IOTMOD=0  ~/~/ Set  eMTC Network
180 +
181 +**Setting the above commands in the United States will greatly reduce the network search time of the NB module.**
182 +
183 +
75 75  = 3. Configure to connect to different servers =
76 76  
77 77  == 3.1 General UDP Connection ==
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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  
97 -[[image:image-20230802112413-2.png]]
206 +[[image:image-20240819102802-1.png]]
98 98  
99 99  ==== 3.1.2.2 Uplink Example ====
100 100  
101 -[[image:image-20230802112413-3.png]]
210 +[[image:image-20240819105418-8.png||height="671" width="1414"]]
102 102  
103 103  == 3.2 General COAP Connection ==
104 104  
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113 113  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5683** (%%) ~/~/ Set COAP server address and port
114 114  
115 115  * (% style="color:#037691" %)**AT+URI1=11,"I"**  (%%) ~/~/  Configure CoAP Message Options
116 -* (% style="color:#037691" %)**AT+URI2=11,"aaa05e26-4d6d-f01b-660e-1d8de4a3bfe1"**  (%%) ~/~/ Configure CoAP Message Options
225 +* (% style="color:#037691" %)**AT+URI2=11,"aaa05e26-4d6d-f01b-660e-1d8de4a3bfe1"**    (%%) ~/~/ Configure CoAP Message Options
117 117  
118 -(% class="wikigeneratedid" %)
227 +[[image:image-20240819103212-2.png]]
228 +
119 119  === 3.2.1 Uplink Example ===
120 120  
231 +[[image:image-20240819103909-4.png||height="453" width="955"]]
121 121  
122 122  
123 123  == 3.2 General MQTT Connection ==
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142 142  
143 143  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB**  (%%) ~/~/ Set the subscription topic of MQTT
144 144  
145 -[[image:image-20230802112413-4.png]]
256 +[[image:image-20240819105003-7.png||height="613" width="458"]]
146 146  
147 -[[image:image-20230802112413-5.png||height="530" width="987"]]
148 148  
259 +[[image:image-20240819104942-6.png||height="702" width="974"]]
260 +
149 149  (% 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.**
150 150  
151 151  == 3.3 [[ThingSpeak>>url:https://thingspeak.com/]] (via MQTT) ==
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154 154  
155 155  [[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.
156 156  
157 -[[image:image-20230802112413-6.png||height="336" width="925"]]
269 +[[image:image-20240819173602-1.png||height="401" width="743"]]
158 158  
159 -[[image:image-20230802112413-7.png]]
271 +[[image:image-20240819173706-3.png||height="595" width="597"]]
160 160  
161 161  === 3.3.2 Simulate with MQTT.fx ===
162 162  
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164 164  
165 165  After we got MQTT Credentials, we can first simulate with PC tool MQTT.fx tool to see if the Credentials and settings are fine.
166 166  
167 -[[image:image-20230802112413-8.png]]
279 +[[image:image-20240819173826-4.png||height="534" width="734"]]
168 168  
169 169  * (% style="color:#037691" %)**Broker Address:**(%%) mqtt3.thingspeak.com
170 170  
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178 178  
179 179  ==== 3.3.2.2 Publish Data to ThingSpeak Channel ====
180 180  
181 -[[image:image-20230802112413-9.png]]
293 +[[image:image-20240819174033-5.png]]
182 182  
183 -[[image:image-20230802112413-10.png]]
295 +[[image:image-20240819174209-6.png]]
184 184  
185 185  (% style="color:blue" %)**In MQTT.fx, we can publish below info:**
186 186  
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192 192  
193 193  (% style="color:blue" %)**Result: **
194 194  
195 -[[image:image-20230802112413-11.png||height="539" width="901"]]
307 +[[image:image-20240819174314-7.png||height="469" width="785"]]
196 196  
197 197  === 3.3.3 Configure NB-IoT Sensor for connection ===
198 198  
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214 214  
215 215  ==== 3.3.3.2 Uplink Examples ====
216 216  
217 -[[image:image-20230816201942-1.png]]
329 +[[image:image-20240819174540-8.png]]
218 218  
219 219  For SE01-NB
220 220  
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242 242  
243 243  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.
244 244  
245 -[[image:image-20230802112413-12.png||height="504" width="1011"]]
357 +[[image:image-20240819174610-9.png]]
246 246  
247 -[[image:image-20230802112413-13.png||height="331" width="978"]]
359 +[[image:image-20240819174618-10.png]]
248 248  
249 249  Below is the NB-IoT Product Table show the mapping.
250 250  
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586 586  
587 587  Users can refer to [[Dragino NB device connection to AWS platform instructions>>http://wiki.dragino.com/xwiki/bin/view/Dragino%20NB%20device%20connection%20to%20AWS%20platform%20instructions/#H1.LogintotheplatformandfindIoTcore]]
588 588  
589 -= 4. MQTT/UDP/TCP downlink =
701 += 4. COAP/UDP/MQTT/TCP downlink =
590 590  
591 591  == 4.1 MQTT (via MQTT.fx) ==
592 592  
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628 628  
629 629  (% style="color:red" %)**Note: Users can edit the hex command in advance. When the node uplink, directly click the publish button several times to increase the success rate of command configuration.**
630 630  
743 += 5. GPS positioning function =
744 +
745 +=== 1. Turn on GPS function ===
746 +
747 +(% class="wikigeneratedid" %)
748 +AT+GPS=1 or 0  ~/~/GPS function on or off
749 +
750 +
751 +=== 2.Extend the time to turn on GNSS ===
752 +
753 +AT+GNSST=30  ~/~/GPS search for positioning information for 30 seconds
754 +
755 +
756 +=== 3.Get or set GPS positioning interval in units of hour ===
757 +
758 +AT+GTDC=24  ~/~/The device will activate GPS positioning every 24 hours
759 +
760 +
631 631  = 5. FAQ =
632 632  
633 633  == 5.1 What is the usage of Multi Sampling and One Uplink? ==
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