Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 76.2 >
edited by Xiaoling
on 2022/05/23 15:33
To version < 44.1 >
edited by Edwin Chen
on 2022/05/23 00:08
>
Change comment: Uploaded new attachment "image-20220523000825-8.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -(% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
3 -
4 -
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -**Table of Contents：**
10 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
11 11  {{toc/}}
3 +{{/box}}
12 12  
5 += Overview =
13 13  
7 +[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
14 14  
15 -= 1.Introduction =
16 16  
17 -== 1.1 What is LHT65N Temperature & Humidity Sensor ==
10 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
18 18  
19 -(((
20 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
21 -)))
22 -
23 -(((
24 24  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
25 -)))
26 26  
27 -(((
28 28  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29 -)))
30 30  
31 -(((
32 32  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33 -)))
34 34  
35 -(((
36 -LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
37 -)))
18 +LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
38 38  
39 -(((
40 40  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41 -)))
42 42  
43 -== 1.2 Features ==
44 44  
23 +== Features: ==
24 +
45 45  * Wall mountable
46 46  * LoRaWAN v1.0.3 Class A protocol
47 47  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -54,87 +54,55 @@
54 54  * Tri-color LED to indicate working status
55 55  * Datalog feature
56 56  
57 -== 1.3 Specification ==
37 +== Specification: ==
58 58  
59 -(((
60 60  **Built-in Temperature Sensor:**
61 -)))
62 62  
63 -* (((
64 -Resolution: 0.01 °C
65 -)))
66 -* (((
67 -Accuracy Tolerance : Typ ±0.3 °C
68 -)))
69 -* (((
70 -Long Term Drift: < 0.02 °C/yr
71 -)))
72 -* (((
73 -Operating Range: -40 ~~ 85 °C
74 -)))
41 +* Resolution: 0.01 °C
42 +* Accuracy Tolerance : Typ ±0.3 °C
43 +* Long Term Drift: < 0.02 °C/yr
44 +* Operating Range: -40 ~~ 85 °C
75 75  
76 -(((
77 77  **Built-in Humidity Sensor:**
78 -)))
79 79  
80 -* (((
81 -Resolution: 0.04 %RH
82 -)))
83 -* (((
84 -Accuracy Tolerance : Typ ±3 %RH
85 -)))
86 -* (((
87 -Long Term Drift: < 0.02 °C/yr
88 -)))
89 -* (((
90 -Operating Range: 0 ~~ 96 %RH
91 -)))
48 +* Resolution: 0.04 %RH
49 +* Accuracy Tolerance : Typ ±3 %RH
50 +* Long Term Drift: < 0.02 °C/yr
51 +* Operating Range: 0 ~~ 96 %RH
92 92  
93 -(((
94 94  **External Temperature Sensor:**
95 -)))
96 96  
97 -* (((
98 -Resolution: 0.0625 °C
99 -)))
100 -* (((
101 -±0.5°C accuracy from -10°C to +85°C
102 -)))
103 -* (((
104 -±2°C accuracy from -55°C to +125°C
105 -)))
106 -* (((
107 -Operating Range: -55 °C ~~ 125 °C
108 -)))
55 +* Resolution: 0.0625 °C
56 +* ±0.5°C accuracy from -10°C to +85°C
57 +* ±2°C accuracy from -55°C to +125°C
58 +* Operating Range: -55 °C ~~ 125 °C
109 109  
110 -= 2. Connect LHT65N to IoT Server =
60 += Connect LHT65N to IoT Server =
111 111  
112 -== 2.1 How does LHT65N work? ==
62 +== How does LHT65N work? ==
113 113  
114 -(((
115 115  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
116 -)))
117 117  
118 -(((
119 119  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
120 -)))
121 121  
122 -== 2.2 How to Activate LHT65N? ==
123 123  
69 +== How to Activate LHT65N? ==
70 +
124 124  The LHT65N has two working modes:
125 125  
126 126  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
127 127  * **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
128 128  
129 -(((
130 130  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131 -)))
132 132  
133 133  [[image:image-20220515123819-1.png||height="379" width="317"]]
134 134  
135 -[[image:image-20220523153201-19.png||height="163" width="739"]]
80 +|**Behavior on ACT**|**Function**|**Action**
81 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
82 +|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
83 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
136 136  
137 -== 2.3 Example to join LoRaWAN network ==
85 +== Example to join LoRaWAN network ==
138 138  
139 139  (% class="wikigeneratedid" %)
140 140  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
... ... @@ -145,7 +145,7 @@
145 145  Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
146 146  
147 147  
148 -=== 2.3.1 Step 1: Create Device n TTN ===
96 +=== **Step 1**: Create Device n TTN ===
149 149  
150 150  Create a device in TTN V3 with the OTAA keys from LHT65N.
151 151  
... ... @@ -159,8 +159,10 @@
159 159  
160 160  [[image:image-20220522232916-3.png]]
161 161  
110 +
162 162  [[image:image-20220522232932-4.png]]
163 163  
113 +
164 164  [[image:image-20220522232954-5.png]]
165 165  
166 166  Note: LHT65N use same payload as LHT65.
... ... @@ -173,60 +173,37 @@
173 173  [[image:image-20220522233118-7.png]]
174 174  
175 175  
176 -=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
126 +=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
177 177  
178 178  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
179 179  
180 -[[image:image-20220522233300-8.png||height="219" width="722"]]
130 +[[image:image-20220522233300-8.png]]
181 181  
182 182  
183 -== 2.4 Uplink Payload ==
133 +== Uplink Payload: ==
184 184  
185 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
135 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
186 186  
187 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
137 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
188 188  
189 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
190 -|(% style="width:97px" %)(((
191 -**Size(bytes)**
192 -)))|(% style="width:39px" %)(((
193 -**2**
194 -)))|(% style="width:100px" %)(((
195 -**2**
196 -)))|(% style="width:77px" %)(((
197 -**2**
198 -)))|(% style="width:47px" %)(((
199 -**1**
200 -)))|(% style="width:51px" %)(((
201 -**4**
202 -)))
203 -|(% style="width:97px" %)(((
204 -**Value**
205 -)))|(% style="width:39px" %)(((
206 -[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]
207 -)))|(% style="width:100px" %)(((
208 -(((
209 -[[Built-In Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
210 -)))
211 -)))|(% style="width:77px" %)(((
212 -(((
213 -[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
214 -)))
215 215  
216 -(((
217 -[[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
218 -)))
219 -)))|(% style="width:47px" %)(((
220 -[[Ext>>path:#Extension_Sensor]] #
221 -)))|(% style="width:51px" %)(((
222 -[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
223 -)))
140 +(% style="width:572px" %)
141 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
142 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
143 +[[Built-In>>path:#SHT20_Temperature]]
224 224  
145 +[[Temperature>>path:#SHT20_Temperature]]
146 +)))|(% style="width:103px" %)(((
147 +[[Built-in>>path:#SHT20_Humidity]]
148 +
149 +[[Humidity>>path:#SHT20_Humidity]]
150 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
151 +
225 225  * The First 6 bytes: has fix meanings for every LHT65N.
226 226  * The 7th byte (EXT #): defines the external sensor model.
227 227  * The 8^^th^^ ~~ 11^^th^^ byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
228 228  
229 -=== 2.4.1 Decoder in TTN V3 ===
156 +=== Decoder in TTN V3 ===
230 230  
231 231  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
232 232  
... ... @@ -234,105 +234,114 @@
234 234  
235 235  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
236 236  
237 -[[image:image-20220522234118-10.png||height="353" width="729"]]
164 +[[image:image-20220522234118-10.png]]
238 238  
239 -=== 2.4.2 BAT-Battery Info ===
240 240  
167 +=== BAT-Battery Info ===
168 +
241 241  These two bytes of BAT include the battery state and the actually voltage
242 242  
243 -[[image:image-20220523152839-18.png]]
171 +(% style="width:646px" %)
172 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
173 +|Value|(% style="width:272px" %)(((
174 +BAT Status
244 244  
245 -[[image:image-20220522235639-1.png||height="139" width="727"]]
176 +00(b): Ultra Low ( BAT <= 2.50v)
246 246  
178 +01(b): Low  (2.50v <=BAT <= 2.55v)
179 +
180 +10(b): OK   (2.55v <= BAT <=2.65v)
181 +
182 +11(b): Good   (BAT >= 2.65v)
183 +)))|(% style="width:214px" %)Actually BAT voltage
184 +
185 +[[image:image-20220522235639-1.png]]
186 +
247 247  Check the battery voltage for LHT65N.
248 248  
249 249  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
250 250  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
251 251  
252 -=== 2.4.3 Built-in Temperature ===
192 +=== Built-in Temperature ===
253 253  
254 -[[image:image-20220522235639-2.png||height="138" width="722"]]
194 +[[image:image-20220522235639-2.png]]
255 255  
256 256  * Temperature:  0x0ABB/100=27.47℃
257 257  
198 +
258 258  [[image:image-20220522235639-3.png]]
259 259  
260 260  * Temperature:  (0xF5C6-65536)/100=-26.18℃
261 261  
262 -=== 2.4.4 Built-in Humidity ===
263 263  
264 -[[image:image-20220522235639-4.png||height="138" width="722"]]
204 +=== Built-in Humidity ===
265 265  
206 +[[image:image-20220522235639-4.png]]
207 +
266 266  * Humidity:    0x025C/10=60.4%
267 267  
268 -=== 2.4.5 Ext # ===
269 269  
211 +=== Ext # ===
212 +
270 270  Bytes for External Sensor:
271 271  
272 -[[image:image-20220523152822-17.png]]
215 +(% style="width:624px" %)
216 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
217 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
218 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
273 273  
274 -=== 2.4.6 Ext value ===
275 275  
276 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
221 +=== Ext value ===
277 277  
223 +==== Ext~=1, E3 Temperature Sensor ====
224 +
278 278  [[image:image-20220522235639-5.png]]
279 279  
227 +
280 280  * DS18B20 temp=0x0ADD/100=27.81℃
281 281  
282 282  The last 2 bytes of data are meaningless
283 283  
232 +
233 +
284 284  [[image:image-20220522235639-6.png]]
285 285  
286 286  * External temperature= (0xF54F-65536)/100=-27.37℃
287 287  
288 -(((
289 289  The last 2 bytes of data are meaningless
290 -)))
291 291  
292 -(((
240 +
293 293  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
294 -)))
295 295  
296 296  
297 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
244 +==== Ext~=9, E3 sensor with Unix Time stamp ====
298 298  
299 299  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
300 300  
301 -(% border="1" style="background-color:#ffffcc; color:green; width:568px" %)
302 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:99px" %)**2**|(% style="width:132px" %)**2**|(% style="width:54px" %)**1**|(% style="width:64px" %)**4**
303 -|(% style="width:96px" %)(((
304 -**Value**
305 -)))|(% style="width:71px" %)(((
306 -[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]
307 -)))|(% style="width:99px" %)(((
308 -(((
309 -[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
310 -)))
311 311  
312 -(((
313 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
314 -)))
315 -)))|(% style="width:132px" %)(((
316 -(((
317 -BAT Status &
318 -)))
249 +(% style="width:697px" %)
250 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
251 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
252 +[[Built-In>>path:#SHT20_Temperature]]
319 319  
320 -(((
321 -[[Built-in Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
254 +[[Temperature>>path:#SHT20_Temperature]]
255 +)))|(% style="width:106px" %)(((
256 +[[BAT Status &>>path:#BAT_Humidity]]
257 +
258 +[[Built-in>>path:#BAT_Humidity]]
259 +
260 +[[Humidity>>path:#BAT_Humidity]]
261 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
262 +[[Unix>>path:#Unix_Time_Stamp]]
263 +
264 +[[Time Stamp>>path:#Unix_Time_Stamp]]
322 322  )))
323 -)))|(% style="width:54px" %)(((
324 -Status & Ext
325 -)))|(% style="width:64px" %)(((
326 -(((
327 -[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
328 -)))
329 -)))
330 330  
331 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
267 +* **Battery status & **[[**Built-in Humidity**>>path:#SHT20_Humidity]]
332 332  
333 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
334 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
335 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
269 +(% style="width:587px" %)
270 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
271 +|Value|(% style="width:280px" %)(((
336 336  BAT Status
337 337  
338 338  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -342,329 +342,55 @@
342 342  10(b): OK   (2.55v <= BAT <=2.65v)
343 343  
344 344  11(b): Good   (BAT >= 2.65v)
345 -)))|(% style="width:134px" %)(((
346 -[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
281 +)))|(% style="width:136px" %)(((
282 +[[Built-in Humidity>>path:#SHT20_Humidity]]
347 347  
348 348  
349 349  )))
350 350  
287 +
351 351  * **Status & Ext Byte**
352 352  
353 -[[image:image-20220523152434-16.png]]
290 +(% style="width:732px" %)
291 +|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
292 +|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
293 +Ext:
354 354  
295 +0b(1001)
296 +)))
297 +
355 355  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
356 356  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
357 357  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
358 358  
359 -== 2.5 Show data on Datacake ==
360 360  
361 -Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
362 362  
363 -(((
364 -**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
365 -)))
304 +== LED Indicator ==
366 366  
367 -(((
368 -**Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
369 -)))
370 -
371 -(((
372 -Add Datacake:
373 -)))
374 -
375 -[[image:image-20220523000825-7.png||height="262" width="583"]]
376 -
377 -
378 -Select default key as Access Key:
379 -
380 -[[image:image-20220523000825-8.png||height="453" width="406"]]
381 -
382 -In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
383 -
384 -[[image:image-20220523000825-9.png||height="366" width="392"]]
385 -
386 -[[image:image-20220523000825-10.png||height="413" width="728"]]
387 -
388 -== 2.6 Datalog Feature ==
389 -
390 -This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
391 -
392 -=== 2.6.1 Unix TimeStamp ===
393 -
394 -LHT65N uses Unix TimeStamp format based on
395 -
396 -[[image:image-20220523001219-11.png||height="97" width="627"]]
397 -
398 -
399 -(((
400 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
401 -)))
402 -
403 -(((
404 -Below is the converter example
405 -)))
406 -
407 -[[image:image-20220523001219-12.png||height="298" width="720"]]
408 -
409 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
410 -
411 -=== 2.6.2 Set Device Time ===
412 -
413 -(((
414 -There are two ways to set device’s time:
415 -)))
416 -
417 -(((
418 -**~1. Through LoRaWAN MAC Command (Default settings)**
419 -)))
420 -
421 -(((
422 -User need to set SYNCMOD=1 to enable sync time via MAC command.
423 -)))
424 -
425 -(((
426 -Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
427 -)))
428 -
429 -(((
430 -Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
431 -)))
432 -
433 -(((
434 -
435 -)))
436 -
437 -(((
438 -**2. Manually Set Time**
439 -)))
440 -
441 -(((
442 -User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
443 -)))
444 -
445 -=== 2.6.3 Poll sensor value ===
446 -
447 -User can poll sensor value based on timestamps from the server. Below is the downlink command.
448 -
449 -[[image:image-20220523152302-15.png]]
450 -
451 -(((
452 -Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
453 -)))
454 -
455 -(((
456 -For example, downlink command **31 5FC5F350 5FC6 0160 05**
457 -)))
458 -
459 -(((
460 -Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
461 -)))
462 -
463 -(((
464 -Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
465 -)))
466 -
467 -
468 -=== 2.6.4 Datalog Uplink payload ===
469 -
470 -The Datalog poll reply uplink will use below payload format.
471 -
472 -(((
473 -**Retrieval data payload**
474 -)))
475 -
476 -(% border="1" style="background-color:#ffffcc; color:green; width:545px" %)
477 -|(% style="width:93px" %)(((
478 -**Size(bytes)**
479 -)))|(% style="width:71px" %)(((
480 -**2**
481 -)))|(% style="width:102px" %)(((
482 -**2**
483 -)))|(% style="width:86px" %)(((
484 -**2**
485 -)))|(% style="width:90px" %)(((
486 -**1**
487 -)))|(% style="width:85px" %)(((
488 -**4**
489 -)))
490 -|(% style="width:93px" %)(((
491 -**Value**
492 -)))|(% style="width:71px" %)(((
493 -[[External sensor data>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
494 -)))|(% style="width:102px" %)(((
495 -(((
496 -[[Built In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
497 -)))
498 -
499 -(((
500 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
501 -)))
502 -)))|(% style="width:86px" %)(((
503 -(((
504 -[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
505 -)))
506 -
507 -(((
508 -[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
509 -)))
510 -)))|(% style="width:90px" %)(((
511 -[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]
512 -)))|(% style="width:85px" %)(((
513 -(((
514 -[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
515 -)))
516 -
517 -(((
518 -
519 -)))
520 -)))
521 -
522 -**Poll message flag & Ext**
523 -
524 -[[image:image-20220523152208-14.png]]
525 -
526 -(((
527 -(((
528 -Poll Message Flag: 1: This message is a poll message reply.
529 -)))
530 -)))
531 -
532 -* (((
533 -(((
534 -Poll Message Flag is set to 1.
535 -)))
536 -)))
537 -* (((
538 -(((
539 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
540 -)))
541 -)))
542 -
543 -(((
544 -(((
545 -For example, in US915 band, the max payload for different DR is:
546 -)))
547 -)))
548 -
549 -(((
550 -(((
551 -a) DR0: max is 11 bytes so one entry of data
552 -)))
553 -)))
554 -
555 -(((
556 -(((
557 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
558 -)))
559 -)))
560 -
561 -(((
562 -(((
563 -c) DR2: total payload includes 11 entries of data
564 -)))
565 -)))
566 -
567 -(((
568 -(((
569 -d) DR3: total payload includes 22 entries of data.
570 -)))
571 -)))
572 -
573 -(((
574 -(((
575 -If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
576 -)))
577 -)))
578 -
579 -
580 -**Example:**
581 -
582 -If LHT65N has below data inside Flash:
583 -
584 -[[image:image-20220523144455-1.png||height="335" width="735"]]
585 -
586 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
587 -
588 - Where : Start time: 60065F97 = time 21/1/19 04:27:03
589 -
590 - Stop time 60066DA7= time 21/1/19 05:27:03
591 -
592 -
593 -LHT65N will uplink this payload.
594 -
595 -[[image:image-20220523001219-13.png||height="421" width="727"]]
596 -
597 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
598 -
599 -Where the first 11 bytes is for the first entry:
600 -
601 -7FFF089801464160065F97
602 -
603 -Ext sensor data=0x7FFF/100=327.67
604 -
605 -Temp=0x0898/100=22.00
606 -
607 -Hum=0x0146/10=32.6
608 -
609 -poll message flag & Ext=0x41,means reply data,Ext=1
610 -
611 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
612 -
613 -== 2.7 Alarm Mode ==
614 -
615 -Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
616 -
617 -(% style="color:red" %)Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
618 -
619 -**AT Commands for Alarm mode:**
620 -
621 -(% class="box infomessage" %)
622 -(((
623 -**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
624 -)))
625 -
626 -(% class="box infomessage" %)
627 -(((
628 -**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
629 -)))
630 -
631 -== 2.8 LED Indicator ==
632 -
633 -(((
634 634  The LHT65N has a triple color LED which for easy shows different stage.
635 -)))
636 636  
637 -(((
638 638  While pressing ACT button, the LED will work as per LED status with ACT button.
639 -)))
640 640  
641 -(((
642 642  In a normal working state:
643 -)))
644 644  
645 -* (((
646 -For each uplink, the BLUE LED or RED LED will blink once.
647 -)))
648 -* (((
649 -BLUE LED when an external sensor is connected
650 -)))
651 -* (((
652 -RED LED when an external sensor is not connected
653 -)))
654 -* (((
655 -For each success downlink, the PURPLE LED will blink once
656 -)))
312 +* For each uplink, the BLUE LED or RED LED will blink once.
313 +* BLUE LED when an external sensor is connected
314 +* RED LED when an external sensor is not connected
315 +* For each success downlink, the PURPLE LED will blink once
657 657  
658 658  ----
659 659  
660 -== 2.9 Installation ==
319 +== Installation ==
661 661  
662 -[[image:image-20220516231650-1.png||height="436" width="428"]]
321 +[[image:image-20220516231650-1.png||height="632" width="620"]]
663 663  
664 -= 3. Sensors & Accessories =
665 665  
666 -== 3.1 E3 Temperature Probe ==
667 667  
325 +
326 += Sensors & Accessories =
327 +
328 +== E3 Temperature Probe ==
329 +
668 668  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
669 669  
670 670  
... ... @@ -676,313 +676,72 @@
676 676  * Operating Range: -40 ~~ 125 °C
677 677  * -55°C to 125°C
678 678  * Working voltage 2.35v ~~ 5v
341 +
679 679  
680 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
343 += Battery & How to replace =
681 681  
682 -Use can configure LHT65N via AT Command or LoRaWAN Downlink.
345 +== Battery Type ==
683 683  
684 -* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
685 -* LoRaWAN Downlink instruction for different platforms:
686 -
687 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
688 -
689 -There are two kinds of commands to configure LHT65N, they are:
690 -
691 -(% style="color:#4f81bd" %)* **General Commands**.
692 -
693 -These commands are to configure:
694 -
695 -* General system settings like: uplink interval.
696 -* LoRaWAN protocol & radio-related commands.
697 -
698 -They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
699 -
700 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
701 -
702 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
703 -
704 -These commands are only valid for LHT65N, as below:
705 -
706 -== 4.1 Set Transmit Interval Time ==
707 -
708 -Feature: Change LoRaWAN End Node Transmit Interval.
709 -
710 -**AT Command: AT+TDC**
711 -
712 -[[image:image-20220523150701-2.png]]
713 -
714 -**Downlink Command: 0x01**
715 -
716 -Format: Command Code (0x01) followed by 3 bytes time value.
717 -
718 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
719 -
720 -* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
721 -* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
722 -
723 -== 4.2 Set External Sensor Mode ==
724 -
725 -Feature: Change External Sensor Mode.
726 -
727 -**AT Command: AT+EXT**
728 -
729 -[[image:image-20220523150759-3.png]]
730 -
731 -**Downlink Command: 0xA2**
732 -
733 -Total bytes: 2 ~~ 5 bytes
734 -
735 -**Example:**
736 -
737 -* 0xA201: Set external sensor type to E1
738 -* 0xA209: Same as AT+EXT=9
739 -* 0xA20702003c,Same as AT+SETCNT=60
740 -
741 -== 4.3 Enable/Disable uplink Temperature probe ID ==
742 -
743 -Feature: If PID is enabled, device will send the temperature probe ID on:
744 -
745 -* First Packet after OTAA Join
746 -* Every 24 hours since the first packet.
747 -
748 -PID is default set to disable (0)
749 -
750 -**AT Command:**
751 -
752 -[[image:image-20220523150928-4.png]]
753 -
754 -**Downlink Command:**
755 -
756 -* 0xA800  **~-~->** AT+PID=0
757 -* 0xA801     **~-~->** AT+PID=1
758 -
759 -== 4.4 Set Password ==
760 -
761 -Feature: Set device password, max 9 digits
762 -
763 -**AT Command: AT+PWORD**
764 -
765 -[[image:image-20220523151052-5.png]]
766 -
767 -**Downlink Command:**
768 -
769 -No downlink command for this feature.
770 -
771 -== 4.5 Quit AT Command ==
772 -
773 -Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
774 -
775 -**AT Command: AT+DISAT**
776 -
777 -[[image:image-20220523151132-6.png]]
778 -
779 -**Downlink Command:**
780 -
781 -No downlink command for this feature.
782 -
783 -== 4.6 Set to sleep mode ==
784 -
785 -Feature: Set device to sleep mode
786 -
787 -**AT Command: AT+SLEEP**
788 -
789 -[[image:image-20220523151218-7.png]]
790 -
791 -**Downlink Command:**
792 -
793 -* There is no downlink command to set to Sleep mode.
794 -
795 -== 4.7 Set system time ==
796 -
797 -Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
798 -
799 -**AT Command:**
800 -
801 -[[image:image-20220523151253-8.png]]
802 -
803 -**Downlink Command:**
804 -
805 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
806 -
807 -== 4.8 Set Time Sync Mode ==
808 -
809 -Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
810 -
811 -SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
812 -
813 -**AT Command:**
814 -
815 -[[image:image-20220523151336-9.png]]
816 -
817 -**Downlink Command:**
818 -
819 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
820 -
821 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
822 -
823 -== 4.9 Set Time Sync Interval ==
824 -
825 -Feature: Define System time sync interval. SYNCTDC default value: 10 days.
826 -
827 -**AT Command:**
828 -
829 -[[image:image-20220523151411-10.png]]
830 -
831 -**Downlink Command:**
832 -
833 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
834 -
835 -== 4.10 Print data entries base on page. ==
836 -
837 -Feature: Print the sector data from start page to stop page (max is 416 pages).
838 -
839 -**AT Command: AT+PDTA**
840 -
841 -[[image:image-20220523151450-11.png]]
842 -
843 -**Downlink Command:**
844 -
845 -No downlink commands for feature
846 -
847 -== 4.11 Print last few data entries. ==
848 -
849 -Feature: Print the last few data entries
850 -
851 -**AT Command: AT+PLDTA**
852 -
853 -[[image:image-20220523151524-12.png]]
854 -
855 -**Downlink Command:**
856 -
857 -No downlink commands for feature
858 -
859 -== 4.12 Clear Flash Record ==
860 -
861 -Feature: Clear flash storage for data log feature.
862 -
863 -**AT Command: AT+CLRDTA**
864 -
865 -[[image:image-20220523151556-13.png]]
866 -
867 -**Downlink Command: 0xA3**
868 -
869 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
870 -
871 -= 5. Battery & How to replace =
872 -
873 -== 5.1 Battery Type ==
874 -
875 875  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
876 876  
877 -(((
878 878  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
879 879  [[image:image-20220515075034-1.png||height="208" width="644"]]
880 -)))
881 881  
882 -(((
352 +
883 883  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
884 884  
885 -)))
886 886  
887 -== 5.2 Replace Battery ==
356 +== Replace Battery ==
888 888  
889 889  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
890 890  
891 891  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
892 892  
893 -== 5.3 Battery Life Analyze ==
894 894  
895 -(((
363 +== Battery Life Analyze ==
364 +
896 896  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
897 897  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
898 -)))
899 899  
900 -= 6. Order Info =
901 901  
902 -(((
903 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX**
904 -)))
369 += Order Info =
905 905  
906 -(((
907 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
908 -)))
371 +Part Number: (% class="mark" %)**LHT65N-XX**
909 909  
910 -* (((
911 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
912 -)))
913 -* (((
914 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
915 -)))
916 -* (((
917 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
918 -)))
919 -* (((
920 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
921 -)))
922 -* (((
923 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
924 -)))
925 -* (((
926 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
927 -)))
928 -* (((
929 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
930 -)))
931 -* (((
932 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
933 -)))
373 +**XX**: The default frequency band
934 934  
935 -(((
936 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
937 -)))
375 +* **AS923**: LoRaWAN AS923 band
376 +* **AU915**: LoRaWAN AU915 band
377 +* **EU433**: LoRaWAN EU433 band
378 +* **EU868**: LoRaWAN EU868 band
379 +* **KR920**: LoRaWAN KR920 band
380 +* **US915**: LoRaWAN US915 band
381 +* **IN865**: LoRaWAN IN865 band
382 +* **CN470**: LoRaWAN CN470 band
938 938  
939 -* (((
940 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
941 -)))
384 +**YY**: Sensor Accessories
942 942  
943 -= 7. Packing Info =
386 +* **E3**: External Temperature Probe
944 944  
945 -(((
388 += Packing Info =
389 +
946 946  **Package Includes**:
947 -)))
948 948  
949 -* (((
950 -LHT65N Temperature & Humidity Sensor x 1
951 -)))
952 -* (((
953 -Program cable x 1
954 -)))
955 -* (((
956 -Optional external sensor
957 -)))
392 +* LHT65N Temperature & Humidity Sensor x 1
393 +* Program cable x 1
394 +* Optional external sensor
958 958  
959 -(((
960 960  **Dimension and weight**:
961 -)))
962 962  
963 -* (((
964 -Device Size:  13.5 x 7 x 3 cm
965 -)))
966 -* (((
967 -Device Weight: 105g
968 -)))
969 -* (((
970 -Package Size / pcs : 14.5 x 8 x 5 cm
971 -)))
972 -* (((
973 -Weight / pcs : 170g
974 -)))
398 +* Device Size:  13.5 x 7 x 3 cm
399 +* Device Weight: 105g
400 +* Package Size / pcs : 14.5 x 8 x 5 cm
401 +* Weight / pcs : 170g
975 975  
976 -= 8. FCC Warning =
403 += FCC Warning =
977 977  
978 -(((
979 979  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
980 -)))
981 981  
982 -(((
983 -(1) This device may not cause harmful interference；
984 -)))
407 +(1) This device may not cause harmful interference, and
985 985  
986 -(((
987 -(2) this device must accept any interference received, including interference that may cause undesired operation.
988 -)))
409 +(2) this device must accept any interference received, including interference that may cause undesired operation
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