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From version < 83.5 >
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Summary

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Title
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1 -NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual
1 +CPN01- NB-IoT Outdoor Open/Close Dry Contact Sensor User Manual
Content
... ... @@ -1,7 +1,8 @@
1 1  (% style="text-align:center" %)
2 -[[image:LMDS200_10.jpg]]
2 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652856952171-363.png?rev=1.1||alt="1652856952171-363.png" height="578" width="588"]]
3 3  
4 4  
5 +
5 5  **Table of Contents：**
6 6  
7 7  {{toc/}}
... ... @@ -9,37 +9,47 @@
9 9  
10 10  
11 11  
13 +
12 12  = 1.  Introduction =
13 13  
14 -== 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
15 15  
17 +== 1.1 ​ What is CPN01 NB-IoT Pulse/Contact Sensor ==
16 16  
19 +
17 17  (((
18 -The Dragino NMDS200 is a(% style="color:blue" %)** NB-IoT Microwave Radar distance sensor**(%%). It uses (% style="color:blue" %)**24Ghz Microwave**(%%) to detect the distance between sensor and different objects. Compare vs ultrasonic or Lidar measurement method, Microwave Radar is (% style="color:blue" %)**more reliable for condensation / dusty environment**(%%). It can sense correct distance even there is water or thick dust on top of the sensor.
21 +The Dragino CPN01 is an (% style="color:blue" %)**NB-IoT Dry Contact Sensor**(%%). It detects open/close status and uplinks the info to IoT server via NB-IoT network. User can see the (% style="color:blue" %)**dry contact status, open time, and open counts**(%%) in the IoT Server.
22 +)))
19 19  
20 -The NMDS200 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
24 +(((
25 +The CPN01 will send periodically data every day as well as for each dry contact action. It also counts the contact open times and calculates the last open duration. Users can also disable the uplink for each Open/Close event, instead, device can count each open event and uplink periodically.
26 +)))
21 21  
22 -NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
28 +(((
29 +CPN01 has** (% style="color:blue" %)Open-Alarm feature(%%)**, user can set this feature so CPN01 will send an alarm if the contact has been open exceeds a certain time.
30 +)))
23 23  
24 -NMDS200 (% style="color:blue" %)**supports Alarm Feature**(%%), user can set the NMDS200 to uplink data in a short interval when the distance is out of configured range.
32 +(((
33 +CPN01 is designed for outdoor use. It has a weatherproof enclosure and industrial-level battery to work in low to high temperatures.
34 +)))
25 25  
26 -NarrowBand-Internet of Things (NB-IoT) is a (% style="color:blue" %)**standards-based low power wide area (LPWA) technology**(%%) developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity, and spectrum efficiency, especially in deep coverage.
27 -
28 -NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
29 -
30 -NMDS200 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**,(%%) It is designed for long-term use of up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
31 -
32 -To use NMDS200, user needs to check if there is NB-IoT coverage in the field and with the Nb-IoT bands that NMDS200 supports. If local operator support it, user needs to get a** (% style="color:blue" %)NB-IoT SIM card(%%)** from the operator and install into NMDS200 to get NB-IoT network connection.
36 +(((
37 +NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity, and spectrum efficiency, especially in deep coverage.
38 +\\CPN01 supports different uplink methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
39 +\\CPN01 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long-term use of up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
40 +\\To use CPN01, user needs to check if there is NB-IoT coverage in the field and with the Nb-IoT bands that CPN01 supports. If local operator support it, user needs to get a (% style="color:blue" %)**NB-IoT SIM card**(%%) from the operator and install into CPN01 to get NB-IoT network connection.
33 33  )))
34 34  
43 +​
35 35  
45 +
36 36  == ​1.2  Features ==
37 37  
38 38  
39 39  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
40 -* Short uplink interval for Distance Alarm
50 +* Open/Close detect
51 +* Open/Close statistics
41 41  * Monitor Battery Level
42 -* Microwave Radar for distance detection
53 +* Uplink on periodically and open/close event
43 43  * Datalog feature
44 44  * Uplink periodically
45 45  * Downlink to change configure
... ... @@ -50,99 +50,138 @@
50 50  * Micro SIM card slot for NB-IoT SIM
51 51  * 8500mAh Battery for long-term use
52 52  
53 -== 1.3 Radar probe specification ==
54 54  
55 55  
56 -* Measuring Method: FMCW
57 -* Frequency: 24.000 24.500 GHz
58 -* Measurement output power: 6dBm
59 -* Measure range: 0.5 20m
60 -* Accuracy: ±0.1m
61 -* Resolution: 0.01m
62 -* Horizontal Angel: 78°
63 -* Vertical Angel: 23°
66 +== 1.3  Specification ==
64 64  
65 -== 1.4  Storage Temperature ==
66 66  
69 +(% style="color:blue" %)**Common DC Characteristics:**
67 67  
68 - -40°C to +85°C
71 +* Supply Voltage: 2.1v ~~ 3.6v
72 +* Operating Temperature: -40 ~~ 85°C
69 69  
74 +(% style="color:blue" %)**NB-IoT Spec:**
70 70  
76 +* - B1 @H-FDD: 2100MHz
77 +* - B3 @H-FDD: 1800MHz
78 +* - B8 @H-FDD: 900MHz
79 +* - B5 @H-FDD: 850MHz
80 +* - B20 @H-FDD: 800MHz
81 +* - B28 @H-FDD: 700MHz
82 +
83 +
84 +
85 +== 1.4  Installation ==
86 +
87 +
88 +Connect CPN01 to an Open Close sensor like below. So it can detect the Open/Close event.
89 +
90 +[[image:image-20221021110329-1.png]]
91 +
92 +
93 +[[image:image-20221022234602-2.png||height="288" width="922"]]
94 +
95 +
96 +
71 71  == 1.5 ​ Applications ==
72 72  
73 73  
74 -* Horizontal distance measurement
75 -* Liquid level measurement
76 -* Parking management system
77 -* Object proximity and presence detection
78 -* Intelligent trash can management system
79 -* Robot obstacle avoidance
80 -* Automatic control
81 -* Sewer
82 -* Bottom water level monitoring
100 +* Open/Close Detection
101 +* Pulse meter application
102 +* Dry Contact Detection
83 83  
84 -== 1.6  Specification ==
85 85  
86 86  
87 -(% style="color:blue" %)**Common DC Characteristics:**
106 +== 1.6  Mechanical ==
88 88  
89 -* Supply Voltage: 2.1v ~~ 3.6v
90 -* Operating Temperature: 0 ~~ 70°C
91 91  
92 -(% style="color:blue" %)**NB-IoT Spec:**
109 +​[[image:image-20221021110415-3.png]]
93 93  
94 -* B1 @H-FDD: 2100MHz
95 -* B3 @H-FDD: 1800MHz
96 -* B8 @H-FDD: 900MHz
97 -* B5 @H-FDD: 850MHz
98 -* B20 @H-FDD: 800MHz
99 -* B28 @H-FDD: 700MHz
100 100  
101 -== 1.7  Installation ==
102 102  
113 +== 1.7  Pin Definitions and Switch ==
103 103  
104 -Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
105 105  
116 +[[image:image-20221021110429-4.png]]
106 106  
107 -[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
108 108  
119 +=== 1.7.1  Pin Definition ===
109 109  
110 110  
111 -== 1.8  Pin Definitions and Switch ==
122 +CPN01 is pre-configured to connect to two external wires. The other pins are not used. If user wants to know more about other pins, please refer to the **[[LSN50v2 User Manual>>doc:Main.User Manual for LoRaWAN End Nodes.LSN50 & LSN50-V2 - LoRaWAN Sensor Node User Manual.WebHome]]**.
112 112  
113 113  
114 -[[image:1670404362039-351.png]]
115 115  
126 +=== 1.7.2  Jumper JP2(Power ON/OFF) ===
116 116  
117 -= 2.  Use NMDS200 to communicate with IoT Server =
118 118  
129 +Power on Device when putting this jumper.
130 +
131 +
132 +
133 +=== 1.7.3  BOOT MODE / SW1 ===
134 +
135 +
136 +1)  ISP:  upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. The firmware won't run.
137 +
138 +2)  Flash:  working mode, the device starts to work for NB-IoT connection and sends out console output for further debugging.
139 +
140 +
141 +
142 +=== 1.7.4  Reset Button ===
143 +
144 +
145 +Press to reboot the device.
146 +
147 +
148 +
149 +=== 1.7.5  LED ===
150 +
151 +
152 +The LED will blink when :
153 +
154 +1.  Boot the device in flash mode
155 +
156 +2.  Send an uplink packet
157 +
158 +
159 +
160 += 2.  Use CPN01 to communicate with IoT Server =
161 +
162 +
119 119  == 2.1  How it works ==
120 120  
121 121  
122 -The NB-IoT network will forward this value to IoT server via the protocol defined by NMDS200.
166 +The CPN01 is equipped with an NB-IoT module, the pre-loaded firmware in CPN01 will get (% style="color:blue" %)**Open/Close Event or Count**(%%) from sensor and send the value to the NB-IoT network. The NB-IoT network will forward this value to IoT server via the protocol defined by CPN01.
123 123  
124 -The diagram below shows the working flow in the default firmware of NMDS200:
168 +The diagram below shows the working flow in the default firmware of CPN01:
125 125  
126 126  [[image:image-20221021110615-5.png]]
127 127  
128 128  
129 -== 2.2 ​ Configure NMDS200 ==
130 130  
174 +== 2.2 ​ Configure CPN01 ==
131 131  
132 -To use NMDS200 in your city, make sure to meet below requirements:
133 133  
177 +=== 2.2.1 Test Requirement ===
178 +
179 +
180 +To use CPN01 in your city, make sure to meet below requirements:
181 +
134 134  * Your local operator has already distributed an NB-IoT Network.
135 -* The local NB-IoT network used the band that NMDS200 supports.
183 +* The local NB-IoT network used the band that CPN01 supports.
136 136  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
137 137  
138 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NMDS200 will use** (% style="color:red" %)CoAP(120.24.4.116:5683)(%%)** or raw (% style="color:red" %)**UDP(120.24.4.116:5601) **(%%)or (% style="color:red" %)**MQTT(120.24.4.116:1883) **(%%)or (% style="color:red" %)**TCP(120.24.4.116:5600)protocol**(%%) to send data to the test server.
186 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The CPN01 will use** (% style="color:red" %)CoAP(120.24.4.116:5683)(%%)** or raw (% style="color:red" %)**UDP(120.24.4.116:5601) **(%%)or (% style="color:red" %)**MQTT(120.24.4.116:1883) **(%%)or (% style="color:red" %)**TCP(120.24.4.116:5600)protocol**(%%) to send data to the test server.
139 139  
140 -[[image:image-20221208090742-1.png]]
188 +[[image:image-20221023000439-3.png]]
141 141  
190 + ​
142 142  
143 -=== 2.2.1 Insert NB-IoT SIM card ===
144 144  
193 +=== 2.2.2 Insert NB-IoT SIM card ===
145 145  
195 +
146 146  Insert the NB-IoT Card get from your provider.
147 147  
148 148  User needs to take out the NB-IoT module and insert the SIM card like below:
... ... @@ -150,11 +150,12 @@
150 150  [[image:image-20221021110745-6.png]] ​
151 151  
152 152  
153 -=== 2.2.2 Connect USB – TTL to NMDS200 and configure it ===
154 154  
204 +=== 2.2.3 Connect USB – TTL to CPN01 and configure it ===
155 155  
156 -User need to configure NMDS200 via serial port to set the (% style="color:red" %)**Server Address** / **Uplink Topic**(%%) to define where and how-to uplink packets. NMDS200 support AT Commands, user can use a USB to TTL adapter to connect to NMDS200 and use AT Commands to configure it, as below.
157 157  
207 +User need to configure CPN01 via serial port to set the (% style="color:red" %)**Server Address** / **Uplink Topic**(%%) to define where and how-to uplink packets. CPN01 support AT Commands, user can use a USB to TTL adapter to connect to CPN01 and use AT Commands to configure it, as below.
208 +
158 158  (% style="color:blue" %)**Connection:**
159 159  
160 160  (% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
... ... @@ -176,11 +176,11 @@
176 176  
177 177  * Flow Control: (% style="color:red" %)**None**
178 178  
179 -Make sure the switch is in FLASH position, then power on NMDS200 by connecting the (% style="color:orange" %)**Yellow Jumper**(%%).
230 +Make sure the switch is in FLASH position, then power on CPN01 by connecting the (% style="color:orange" %)**Yellow Jumper**(%%).
180 180  
181 181  ​[[image:image-20221021110817-7.png]]
182 182  
183 -NMDS200 will output system info once powered on as below, we can enter the **password: 12345678** to access AT Command input.
234 +CPN01 will output system info once powered on as below, we can enter the **password: 12345678** to access AT Command input.
184 184  
185 185  
186 186  (% style="color:red" %)**Note: the valid AT Commands can be found at:  **(%%)[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
... ... @@ -187,13 +187,13 @@
187 187  
188 188  
189 189  
190 -=== 2.2.3 Use CoAP protocol to uplink data ===
241 +=== 2.2.4 Use CoAP protocol to uplink data ===
191 191  
192 192  
193 193  (% style="color:red" %)**Note: if you don't have a CoAP server, you can refer this link to set up a CoAP server: **(%%)[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
194 194  
195 195  
196 -(% style="color:blue" %)**Use below commands in NMDS200:**
247 +(% style="color:blue" %)**Use below commands in CPN01:**
197 197  
198 198  * (% style="color:#037691" %)**AT+PRO=1**                (%%) ~/~/ Set to use CoAP protocol to uplink
199 199  
... ... @@ -206,14 +206,15 @@
206 206  [[image:image-20221021110948-8.png]]
207 207  
208 208  
209 -After configuring the server address and (% style="color:green" %)**reset NMDS200**(%%) (via AT+ATZ ), NMDS200 will start to uplink sensor values to the CoAP server.
260 +After configuring the server address and (% style="color:green" %)**reset CPN01**(%%) (via AT+ATZ ), CPN01 will start to uplink sensor values to the CoAP server.
210 210  
211 -[[image:1670405841875-916.png]] ​
262 +[[image:image-20221021110956-9.png]] ​
212 212  
213 213  
214 -=== 2.2.4 Use UDP protocol to uplink data(Default protocol) ===
215 215  
266 +=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
216 216  
268 +
217 217  (% style="color:blue" %)**AT Commands:**
218 218  
219 219  * (% style="color:#037691" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
... ... @@ -229,9 +229,10 @@
229 229  
230 230  ​
231 231  
232 -=== 2.2.5 Use MQTT protocol to uplink data ===
233 233  
285 +=== 2.2.6 Use MQTT protocol to uplink data ===
234 234  
287 +
235 235  (% style="color:blue" %)**AT Commands:**
236 236  
237 237  * (% style="color:#037691" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
... ... @@ -248,10 +248,10 @@
248 248  
249 249  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
250 250  
251 -​ [[image:image-20221118103445-7.png]]
304 +​ [[image:image-20221021111058-12.png]]
252 252  
253 253  
254 -[[image:1670405928926-116.png]]
307 +[[image:image-20221021111201-16.png||height="472" width="653"]]
255 255  
256 256  ​
257 257  
... ... @@ -258,9 +258,10 @@
258 258  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.
259 259  
260 260  
261 -=== 2.2.6 Use TCP protocol to uplink data ===
262 262  
315 +=== 2.2.7 Use TCP protocol to uplink data ===
263 263  
317 +
264 264  (% style="color:blue" %)**AT Commands:**
265 265  
266 266  * (% style="color:#037691" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
... ... @@ -267,76 +267,83 @@
267 267  
268 268  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
269 269  
270 -​ [[image:1670406036256-101.png||height="676" width="713"]]
324 +​ [[image:image-20221021111125-14.png]]
271 271  
272 -
273 273  [[image:image-20221021111131-15.png]]
274 274  
275 275  ​
276 276  
277 -=== 2.2.7 Change Update Interval ===
278 278  
331 +=== 2.2.8 Change Update Interval ===
279 279  
333 +
280 280  User can use below command to change the (% style="color:blue" %)**uplink interval**.
281 281  
282 -* (% style="color:#037691" %)**AT+TDC=7200      ** (%%) ~/~/ Set Update Interval to 7200s (4 hours)
336 +* (% style="color:#037691" %)**AT+TDC=7200      ** (%%) ~/~/ Set Update Interval to 7200s (2 hours)
283 283  
284 284  (% style="color:red" %)**NOTE:**
285 285  
286 -1.  By default, the device will send an uplink message every 4 hour.
340 +1.  By default, the device will send an uplink message every 1 hour.
287 287  
288 288  
343 +
289 289  == 2.3  Uplink Payload ==
290 290  
291 291  
292 -The uplink payload includes 23 bytes in total by default.
347 +The uplink payload includes 123 bytes in total by default.
293 293  
294 -Each time the device uploads a data package. The user can use the AT+NOUD command to upload the recorded data.Up to 32 sets of recorded data can be uploaded.
349 +Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
295 295  
296 296  
297 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
298 -|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:65px" %)**1**|(% style="width:25px" %)**1**|(% style="width:50px" %)**1**|(% style="width:90px" %)**2**|(% style="width:100px" %)**2**
299 -|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) [[Distance 1>>||anchor="H2.4.5A0A0Distance"]] |(% style="width:93px" %) [[Distance  2>>||anchor="H2.4.5A0A0Distance"]]
352 +(% border="1.5" style="background-color:#ffffcc; color:green; width:510px" %)
353 +|=(% scope="row" style="width: 60px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:80px" %)**1**|(% style="width:40px" %)**1**|(% style="width:80px" %)**1**|(% style="width:80px" %)**1**|(% style="width:40px" %)**1**|(% style="width:60px" %)**3**
354 +|=(% style="width: 96px;" %)**Value**|(% style="width:84px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:44px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:121px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:52px" %)MOD|(% style="width:84px" %)[[ Calculate Flag>>||anchor="H2.4.5A0CalculateFlag"]]|(% style="width:116px" %)[[Contact Status>>||anchor="H2.4.7A0ContactStatus"]]|(% style="width:57px" %)[[Alarm>>||anchor="H2.4.6A0Alarm"]]|(% style="width:91px" %)[[Total pulse>>||anchor="H2.4.8A0Totalpulse"]]
300 300  
301 -(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
302 -|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:50px" %)(((
303 -**1-32 group**
304 -)))
305 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
356 +(% border="1.5" style="background-color:#ffffcc; color:green; width:490px" %)
357 +|(% style="width:100px" %)**3**|(% style="width:50px" %)**4**|(% style="width:70px" %)**1**|(% style="width:50px" %)**3**|(% style="width:100px" %)**3**|(% style="width:80px" %)4|(% style="width:50px" %)**8 group**
358 +|(% style="width:176px" %)[[The last open duration>>||anchor="H2.4.9A0Thelastopenduration"]]|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.10A0Timestamp"]]|(% style="width:115px" %)Contact Status|(% style="width:92px" %)Total pulse|(% style="width:169px" %)The last open duration|(% style="width:97px" %)Time stamp|(% style="width:74px" %)...
306 306  
307 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
360 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the CPN01 uplink data.
308 308  
309 -[[image:1670406261143-723.png]]
362 +[[image:image-20221021111201-16.png||height="572" width="792"]]
310 310  
311 311  
312 -The payload is ASCII string, representative same HEX: f867787050471071  0064  0cc3  09  01  00 00ef  013d  6390453d
365 +The payload is ASCII string, representative same HEX:
313 313  
314 -**0x (% style="color:red" %)__f867787050471071__  (% style="color:blue" %)__0064__ (% style="color:green" %) __0cc3__(% style="color:#00b0f0" %) 0__9__(% style="color:#7030a0" %) __01__(% style="color:#0020b0" %) __00__ (% style="color:#420042" %)__00ef__(% style="color:#660066" %) (% style="color:#663300" %)__013d__ (% style="color:#d60093" %)__6390453d__(%%)**
367 +**0x (% style="color:red" %)__f867787050213317__  (% style="color:blue" %)__0064__ (% style="color:green" %) __0c78__(% style="color:#00b0f0" %) __17__(% style="color:#7030a0" %) __01__(% style="color:#0020b0" %) __00__ (% style="color:#420042" %)__00__ (% style="color:#660066" %)__00__ (% style="color:#aaaa40" %)__000009__(% style="color:#663300" %) __000002__ (% style="color:#d60093" %)__6315537b__ (% style="color:#660066" %)__01 00000b 02 0000026 63510fed__ (%%)__0100000e0200000263510f39__ __010000000000000063510e85__ __010000000000000063510d2e__ __010000000000000063510c7a__ __010000000000000063510bc6__ __010000000000000063510954__ __010000000000000063510882 __**
315 315  
316 316  **where:**
317 317  
318 -* (% style="color:#037691" %)**Device ID:**(%%) 0x f867787050471071 = f867787050471071
371 +* (% style="color:#037691" %)**Device ID:**(%%) 0x f867787050213317 = f867787050213317
319 319  
320 -* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
373 +* (% style="color:#037691" %)**Version:**(%%) 0x0064=100=1.0.0
321 321  
322 -* (% style="color:#037691" %)**BAT :**(%%)  0x0cc3 = 3267 mV = 3.267V
375 +* (% style="color:#037691" %)**BAT :**(%%) 0x0c78 = 3192 mV = 3.192V
323 323  
324 -* (% style="color:#037691" %)**Singal: **(%%)0x09 = 9
377 +* (% style="color:#037691" %)**Singal: **(%%)0x17 = 23
325 325  
326 -* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
379 +* (% style="color:#037691" %)**Mod:**(%%) 0x01 = 1
327 327  
328 -* (% style="color:#037691" %)**Exit flag: **(%%)0x00 =0
381 +* (% style="color:#037691" %)**Calculate Flag:**(%%) 0x00=0
329 329  
330 -* (% style="color:#037691" %)**Distance 1: **(%%)0x00ef=239
383 +* (% style="color:#037691" %)**Contact Status:**(%%) 0x00=0
331 331  
332 -* (% style="color:#037691" %)**Distance 2: **(%%)0x013d =317
385 +* (% style="color:#037691" %)**Alarm: **(%%)0x00 =0
333 333  
334 -* (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
387 +* (% style="color:#037691" %)**Total pulse: **(%%)0x000009 =9
335 335  
389 +* (% style="color:#037691" %)**The last open duration: **(%%)0x000002 =2
336 336  
391 +* (% style="color:#037691" %)**Timestamp:**(%%) 0x6315537b =1662342011 (Unix Time)
337 337  
393 +* (% style="color:#037691" %)**Contact Status, Total pulse,The last open duration ,Time stamp :**(%%) 01  00000b  000026  63510fed
394 +
395 +* (% style="color:#037691" %)**8 sets of recorded data: Contact Status, Total pulse, The last open duration ,Time stamp :**(%%) 0100000e00002663510f39,.......
396 +
397 +
338 338  == 2.4  Payload Explanation and Sensor Interface ==
339 339  
400 +
340 340  === 2.4.1  Device ID ===
341 341  
342 342  
... ... @@ -351,18 +351,20 @@
351 351  The Device ID is stored in a non-erase area, Upgrade the firmware or run AT+FDR won't erase the Device ID.
352 352  
353 353  
415 +
354 354  === 2.4.2  Version Info ===
355 355  
356 356  
357 357  Specify the software version: 0x64=100, which means firmware version 1.00.
358 358  
359 -For example 0x00 64 : This device is NMDS200 1 with firmware version 1.0.0.
421 +For example 0x00 64 : This device is CPN01 with firmware version 1.0.0.
360 360  
361 361  
424 +
362 362  === 2.4.3  Battery Info ===
363 363  
364 364  
365 -Check the battery voltage for NMDS200.
428 +Check the battery voltage for CPN01.
366 366  
367 367  Ex1: 0x0B45 = 2885mV
368 368  
... ... @@ -369,54 +369,89 @@
369 369  Ex2: 0x0B49 = 2889mV
370 370  
371 371  
435 +
372 372  === 2.4.4  Signal Strength ===
373 373  
374 374  
375 375  NB-IoT Network signal Strength.
376 376  
377 -(% style="color:blue" %)**Ex1: 0x1d = 29**
441 +**Ex1: 0x1d = 29**
378 378  
379 -(% style="color:#037691" %)**0** (%%) -113dBm or less
443 +**0**  -113dBm or less
380 380  
381 -(% style="color:#037691" %)**1**  (%%) -111dBm
445 +**1**  -111dBm
382 382  
383 -(% style="color:#037691" %)**2...30** (%%) -109dBm... -53dBm
447 +**2...30** -109dBm... -53dBm
384 384  
385 -(% style="color:#037691" %)**31** (%%) -51dBm or greater
449 +**31**   -51dBm or greater
386 386  
387 -(% style="color:#037691" %)**99** (%%) Not known or not detectable
451 +**99**    Not known or not detectable
388 388  
389 389  
390 -=== 2.4.5  Distance ===
391 391  
455 +=== 2.4.5  Calculate Flag ===
392 392  
393 -[[image:1670407401682-959.png]]
394 394  
458 +The calculate flag is a user defined field, IoT server can use this filed to handle different meters with different pulse factors. For example, if there are 100 water meters, meter 1~~50 are 1 liter/pulse and meter 51 ~~ 100 has 1.5 liter/pulse.
395 395  
396 -(% style="color:blue" %)**Object1 Distance:**
460 +User can set calculate flag to 1 for meter 1~~50 and 2 for meter 51 ~~ 100, So IoT Server can use this field for calculation.
397 397  
398 -Distance between sensor probe to the first object. (unit: cm)
462 +Default value: 0. 
399 399  
400 -For example, if the data you get from the register is 0x02 0x05, the distance between the sensor and the measured object is
464 +Range (6 bits): (b)000000 ~~ (b) 111111
401 401  
402 -(% style="color:blue" %)**0205(H) = 517 (D) = 517 cm.**
403 403  
404 404  
405 -(% style="color:blue" %)**Object2 Distance:**
468 +=== 2.4.6  Alarm ===
406 406  
407 -Distance between sensor probe to the second object. (unit: cm)
408 408  
471 +See [[Alarm Base on Timeout>>||anchor="H2.7A0AlarmBaseonTimeout"]]
409 409  
410 -=== 2.4.6  Timestamp ===
411 411  
412 412  
475 +=== 2.4.7  Contact Status ===
476 +
477 +
478 +0: Open
479 +
480 +1: Close
481 +
482 +
483 +
484 +=== 2.4.8  Total pulse ===
485 +
486 +
487 +Total pulse/counting based on dry [[contact trigger event>>||anchor="H2.12Setcountnumber"]]
488 +
489 +Range (3 Bytes) : 0x000000 ~~ 0xFFFFFF . Max: 16777215
490 +
491 +
492 +
493 +=== 2.4.9  The last open duration ===
494 +
495 +
496 +Dry Contact last open duration.
497 +
498 +Unit: min.
499 +
500 +[[image:image-20221021111346-17.png||height="146" width="770"]]
501 +
502 +
503 +
504 +=== 2.4.10  Timestamp ===
505 +
506 +
413 413  Timestamp : 0x6315537b =1662342011
414 414  
509 +Convert Unix timestamp to time 2022-9-5 9:40:11.
415 415  
511 +**~ **
512 +
513 +
416 416  == 2.5  Downlink Payload ==
417 417  
418 418  
419 -By default, NMDS200 prints the downlink payload to console port.
517 +By default, CPN01 prints the downlink payload to console port.
420 420  
421 421  [[image:image-20221021111414-18.png]] ​
422 422  
... ... @@ -433,7 +433,7 @@
433 433  
434 434  * (% style="color:#037691" %)**Reset**
435 435  
436 -If payload = 0x04FF, it will reset the NMDS200
534 +If payload = 0x04FF, it will reset the NSE01
437 437  
438 438  * (% style="color:#037691" %)**INTMOD**
439 439  
... ... @@ -440,49 +440,116 @@
440 440  Downlink Payload: 06000003, Set AT+INTMOD=3
441 441  
442 442  
541 +
443 443  == 2.6  ​LED Indicator ==
444 444  
445 445  
446 -The NMDS200 has an internal LED which is to show the status of different states.
545 +The CPN01 has an internal LED which is to show the status of different states.
447 447  
448 448  * When the device starts normally, the LED will light up for 1 second.
449 -* After NMDS200 join NB-IoT network. The LED will be ON for 3 seconds.
548 +* After CPN01 join NB-IoT network. The LED will be ON for 3 seconds.
450 450  * For each uplink probe, LED will be on for 500ms.
451 451  
452 452  
552 +== 2.7  Alarm Base on Timeout ==
453 453  
454 -== 2.7  Distance alarm function ==
455 455  
555 +CPN01 can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are:
456 456  
457 -(% style="color:blue" %)**AT Command: AT+ALARM1=min,max**
458 458  
459 -(% style="color:#037691" %)**Example 1:**
558 +(% style="color:blue" %)**1. Keep Status: Status to be monitor**
460 460  
461 -AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
560 +Keep Status = 1: Monitor Close to Open event
462 462  
463 -AT+ ALARM2 =min,max
562 +Keep Status = 0: Monitor Open to Close event
464 464  
465 465  
466 -(% style="color:#037691" %)**Example 2:**
565 +(% style="color:blue" %)**2. Keep Time: Timeout to send an Alarm**
467 467  
468 -AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
567 +Range 0 ~~ 65535(0xFFFF) seconds.
469 469  
569 +If keep time = 0, Disable Alarm Base on Timeout feature.
470 470  
571 +If keep time > 0, device will monitor the keep status event and send an alarm when status doesn’t change after timeout.
471 471  
472 472  
473 -== 2.8  Set the number of data to be uploaded and the recording time ==
574 +(% style="color:blue" %)**AT Command to configure:**
474 474  
576 +(% style="color:#037691" %)**AT+TTRIG=1,30** (%%) **~-~->**  When the **Keep Status** change from connected to disconnect, and device remains in disconnect status for more than 30 seconds. CPN01 will send an uplink packet, the [[Alarm bit>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/#H2.3.3Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2]] (the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1.
475 475  
578 +(% style="color:#037691" %)**AT+TTRIG=0,0 ** (%%) **~-~->** Default Value, disable timeout Alarm.
579 +
580 +
581 +
582 +== 2.8  Set debug mode ==
583 +
584 +
585 +Feature: Enable or Disable debug mode
586 +
587 +(% style="color:blue" %)**AT Command: AT+DEBUG**
588 +
589 +[[image:image-20221021111629-21.png]]
590 +
591 +
592 +
593 +== 2.9  Clear Flash Record ==
594 +
595 +
596 +Feature: Clear flash storage for data log feature.
597 +
598 +(% style="color:blue" %)**AT Command: AT+CLRDTA**
599 +
600 +[[image:image-20221021111527-19.png]]
601 +
602 +
603 +
604 +== 2.10  Set trigger mode ==
605 +
606 +
607 +(% style="color:blue" %)**AT Command: AT+TTRMOD**
608 +
609 +Feature: Set the trigger interrupt mode.
610 +
611 +[[image:image-20221021111552-20.png]]
612 +
613 +
614 +
615 +== 2.11  Set the calculate flag ==
616 +
617 +
618 +Feature: Set the calculate flag
619 +
620 +(% style="color:blue" %)**AT Command: AT+CALCFLAG**
621 +
622 +[[image:image-20221021111711-22.png]]
623 +
624 +
625 +
626 +== 2.12 Set count number ==
627 +
628 +
629 +Feature: Manually set the count number
630 +
631 +(% style="color:blue" %)**AT Command: AT+SETCNT**
632 +
633 +[[image:image-20221021111748-24.png]]
634 +
635 +
636 +
637 +== 2.13  Set the number of data to be uploaded and the recording time ==
638 +
639 +
476 476  (% style="color:blue" %)**AT Command:**
477 477  
478 -(% style="color:#037691" %)**AT+TR=900**(%%)  ~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
642 +(% style="color:#037691" %)**AT+TR=900**        (%%)~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
479 479  
480 -(% style="color:#037691" %)**AT+NOUD=8**(%%)** ** ~/~/  The device uploads 0 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
644 +(% style="color:#037691" %)**AT+NOUD=8 ** (%%)~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
481 481  
482 482  
483 -== 2.9  Read or Clear cached data ==
484 484  
648 +== 2.14  Read or Clear cached data ==
485 485  
650 +
486 486  (% style="color:blue" %)**AT Command:**
487 487  
488 488  (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
... ... @@ -489,24 +489,27 @@
489 489  
490 490  (% style="color:#037691" %)**AT+CDP=0**  (%%) ~/~/ Clear cached data ​
491 491  
492 -[[image:1670408172929-569.png]]
657 +[[image:image-20221021111810-25.png||height="364" width="797"]]
493 493  
494 494  
495 -== 2.10  ​Firmware Change Log ==
496 496  
661 +== 2.15  ​Firmware Change Log ==
497 497  
498 -Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]]
499 499  
664 +Download URL & Firmware Change log:  [[https:~~/~~/www.dropbox.com/sh/8p5nuvo6gh7je4n/AAAMP7MMusgbXMz9Ik7Ls03Ga?dl=0>>https://www.dropbox.com/sh/8p5nuvo6gh7je4n/AAAMP7MMusgbXMz9Ik7Ls03Ga?dl=0]]
665 +
500 500  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
501 501  
502 502  
503 -== 2.11  ​Battery Analysis ==
504 504  
505 -=== 2.11.1  ​Battery Type ===
670 +== 2.16  ​Battery Analysis ==
506 506  
507 507  
508 -The NMDS200 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
673 +=== 2.16.1  ​Battery Type ===
509 509  
675 +
676 +The CPN01 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
677 +
510 510  The battery is designed to last for several years depends on the actual use environment and update interval. 
511 511  
512 512  The battery-related documents as below:
... ... @@ -520,9 +520,10 @@
520 520  [[image:image-20221021111911-26.png]] ​
521 521  
522 522  
523 -=== 2.11.2  Power consumption Analyze ===
524 524  
692 +=== 2.16.2  Power consumption Analyze ===
525 525  
694 +
526 526  Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
527 527  
528 528  Instruction to use as below:
... ... @@ -542,18 +542,21 @@
542 542  [[image:1666596205057-567.png]] ​
543 543  
544 544  
545 -=== 2.11.3  ​Battery Note ===
546 546  
715 +=== 2.16.3  ​Battery Note ===
547 547  
717 +
548 548  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
549 549  
550 550  
551 -=== 2.11.4  Replace the battery ===
552 552  
722 +=== 2.16.4  Replace the battery ===
553 553  
554 -The default battery pack of NMDS200 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
555 555  
725 +The default battery pack of CPN01 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
556 556  
727 +
728 +
557 557  = 3. ​ Access NB-IoT Module =
558 558  
559 559  
... ... @@ -561,12 +561,13 @@
561 561  
562 562  The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 
563 563  
736 +[[image:image-20221021112006-28.png]] ​
564 564  
565 -[[image:image-20221118094449-6.png]] ​
566 566  
567 567  
568 568  = 4.  Using the AT Commands =
569 569  
742 +
570 570  == 4.1  Access AT Commands ==
571 571  
572 572  
... ... @@ -605,55 +605,57 @@
605 605  
606 606  AT+SERVADDR  : Server Address
607 607  
608 -AT+TR      :  Get or Set record time
781 +AT+TR      :  Get or Set record time
609 609  
610 -AT+NOUD :  Get or Set the number of data to be uploaded
783 +AT+NOUD      : Get or Set the number of data to be uploaded
611 611  
612 612  AT+CDP     :  Read or Clear cached data
613 613  
614 -AT+DEBUG:  Enable or Disable debug mode
787 +AT+ DEBUG   : Enable or Disable debug mode
615 615  
616 -AT+ALARM1:  Get or Set alarm of distance1
789 +AT+ TTRIG   : Get or Set Alarm Base on Timeout
617 617  
618 -AT+ALARM2:  Get or Set alarm of distance2
791 +AT+ TTRMOD   : Get or Set the trigger interrupt mode(0:falling,1:rising)
619 619  
620 -AT+GETSENSORVALUE :  Returns the current sensor measurement
793 +AT+ CALCFLAG   : Get or Set the calculate flag
621 621  
622 -AT+POWERIC :  Get or set the Power IC flag
795 +AT+ CLRC   : Clear current door open count
623 623  
624 624  
625 625  (% style="color:blue" %)**COAP Management**      
626 626  
627 -AT+URI :  Resource parameters
800 +AT+URI            : Resource parameters
628 628  
629 629  
630 630  (% style="color:blue" %)**UDP Management**
631 631  
632 -AT+CFM :  Upload confirmation mode (only valid for UDP)
805 +AT+CFM          : Upload confirmation mode (only valid for UDP)
633 633  
634 634  
635 635  (% style="color:blue" %)**MQTT Management**
636 636  
637 -AT+CLIENT  : Get or Set MQTT client
810 +AT+CLIENT               : Get or Set MQTT client
638 638  
639 -AT+UNAME : Get or Set MQTT Username
812 +AT+UNAME  : Get or Set MQTT Username
640 640  
641 -AT+PWD  :  Get or Set MQTT password
814 +AT+PWD                  : Get or Set MQTT password
642 642  
643 -AT+PUBTOPIC :  Get or Set MQTT publish topic
816 +AT+PUBTOPIC  : Get or Set MQTT publish topic
644 644  
645 -AT+SUBTOPIC :  Get or Set MQTT subscription topic
818 +AT+SUBTOPIC  : Get or Set MQTT subscription topic
646 646  
647 647  
648 648  (% style="color:blue" %)**Information**          
649 649  
650 -AT+FDR :  Factory Data Reset
823 +AT+FDR  : Factory Data Reset
651 651  
652 -AT+PWORD :  Serial Access Password
825 +AT+PWORD  : Serial Access Password
653 653  
654 654  
828 +
655 655  = ​5.  FAQ =
656 656  
831 +
657 657  == 5.1 ​ How to Upgrade Firmware ==
658 658  
659 659  
... ... @@ -661,11 +661,13 @@
661 661  
662 662  Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
663 663  
664 -(% style="color:red" %)**Notice: **(% style="color:blue" %)**NMDS200** (%%)**and (% style="color:blue" %)LMDS200(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
839 +(% style="color:red" %)**Notice: **(% style="color:blue" %)**CPN01** (%%)**and (% style="color:blue" %)CPL01(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
665 665  
666 666  
842 +
667 667  = 6.  Trouble Shooting =
668 668  
845 +
669 669  == 6.1  ​Connection problem when uploading firmware ==
670 670  
671 671  
... ... @@ -672,6 +672,7 @@
672 672  (% style="color:blue" %)**Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
673 673  
674 674  
852 +
675 675  == 6.2  AT Command input doesn't work ==
676 676  
677 677  
... ... @@ -678,19 +678,29 @@
678 678  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER** (%%)while press the send key, user need to add ENTER in their string.
679 679  
680 680  
859 +
681 681  = 7. ​ Order Info =
682 682  
683 683  
684 -Part Number:(% style="color:blue" %)** NMDS200**
863 +Part Number**:** CPN01
685 685  
686 686  
866 +
687 687  = 8.  Packing Info =
688 688  
689 689  
690 690  (% style="color:blue" %)**Package Includes**:
691 691  
692 -* NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
872 +* CPN01 Open/Close Sensor x 1
873 +* External antenna x 1
693 693  
875 +(% style="color:blue" %)**Dimension and weight**:
876 +
877 +* Size: 195 x 125 x 55 mm
878 +* Weight:   420g
879 +
880 +
881 +
694 694  = 9.  Support =
695 695  
696 696  
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