Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 103.1 >
edited by Edwin Chen
on 2022/05/25 11:53
To version < 50.1 >
edited by Edwin Chen
on 2022/05/23 00:12
>
Change comment: Uploaded new attachment "image-20220523001219-13.png", version {1}

Summary

Details

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Content
... ... @@ -1,49 +1,27 @@
1 -(% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
3 -
4 -
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -
10 -**Table of Contents：**
11 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
12 12  {{toc/}}
3 +{{/box}}
13 13  
5 += Overview =
14 14  
7 +[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
15 15  
16 16  
17 -= 1. Introduction =
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 -== 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 -
21 -(((
22 -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**(%%)**.**
23 -)))
24 -
25 -(((
26 26  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.
27 -)))
28 28  
29 -(((
30 30  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
31 -)))
32 32  
33 -(((
34 34  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
35 -)))
36 36  
37 -(((
38 -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.
39 -)))
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.
40 40  
41 -(((
42 42  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
43 -)))
44 44  
45 -== 1.2 Features ==
46 46  
23 +== Features: ==
24 +
47 47  * Wall mountable
48 48  * LoRaWAN v1.0.3 Class A protocol
49 49  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -56,87 +56,55 @@
56 56  * Tri-color LED to indicate working status
57 57  * Datalog feature
58 58  
59 -== 1.3 Specification ==
37 +== Specification: ==
60 60  
61 -(((
62 62  **Built-in Temperature Sensor:**
63 -)))
64 64  
65 -* (((
66 -Resolution: 0.01 °C
67 -)))
68 -* (((
69 -Accuracy Tolerance : Typ ±0.3 °C
70 -)))
71 -* (((
72 -Long Term Drift: < 0.02 °C/yr
73 -)))
74 -* (((
75 -Operating Range: -40 ~~ 85 °C
76 -)))
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
77 77  
78 -(((
79 79  **Built-in Humidity Sensor:**
80 -)))
81 81  
82 -* (((
83 -Resolution: 0.04 %RH
84 -)))
85 -* (((
86 -Accuracy Tolerance : Typ ±3 %RH
87 -)))
88 -* (((
89 -Long Term Drift: < 0.02 °C/yr
90 -)))
91 -* (((
92 -Operating Range: 0 ~~ 96 %RH
93 -)))
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
94 94  
95 -(((
96 96  **External Temperature Sensor:**
97 -)))
98 98  
99 -* (((
100 -Resolution: 0.0625 °C
101 -)))
102 -* (((
103 -±0.5°C accuracy from -10°C to +85°C
104 -)))
105 -* (((
106 -±2°C accuracy from -55°C to +125°C
107 -)))
108 -* (((
109 -Operating Range: -55 °C ~~ 125 °C
110 -)))
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
111 111  
112 -= 2. Connect LHT65N to IoT Server =
60 += Connect LHT65N to IoT Server =
113 113  
114 -== 2.1 How does LHT65N work? ==
62 +== How does LHT65N work? ==
115 115  
116 -(((
117 117  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.
118 -)))
119 119  
120 -(((
121 121  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.
122 -)))
123 123  
124 -== 2.2 How to Activate LHT65N? ==
125 125  
69 +== How to Activate LHT65N? ==
70 +
126 126  The LHT65N has two working modes:
127 127  
128 128  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
129 129  * **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. 
130 130  
131 -(((
132 132  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
133 -)))
134 134  
135 135  [[image:image-20220515123819-1.png||height="379" width="317"]]
136 136  
137 -[[image:image-20220525110604-2.png]]
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.
138 138  
139 -== 2.3 Example to join LoRaWAN network ==
85 +== Example to join LoRaWAN network ==
140 140  
141 141  (% class="wikigeneratedid" %)
142 142  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.
... ... @@ -147,7 +147,7 @@
147 147  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:
148 148  
149 149  
150 -=== 2.3.1 Step 1: Create Device n TTN ===
96 +=== **Step 1**: Create Device n TTN ===
151 151  
152 152  Create a device in TTN V3 with the OTAA keys from LHT65N.
153 153  
... ... @@ -161,8 +161,10 @@
161 161  
162 162  [[image:image-20220522232916-3.png]]
163 163  
110 +
164 164  [[image:image-20220522232932-4.png]]
165 165  
113 +
166 166  [[image:image-20220522232954-5.png]]
167 167  
168 168  Note: LHT65N use same payload as LHT65.
... ... @@ -175,60 +175,37 @@
175 175  [[image:image-20220522233118-7.png]]
176 176  
177 177  
178 -=== 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. ===
179 179  
180 180  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.
181 181  
182 -[[image:image-20220522233300-8.png||height="219" width="722"]]
130 +[[image:image-20220522233300-8.png]]
183 183  
184 184  
185 -== 2.4 Uplink Payload ==
133 +== Uplink Payload: ==
186 186  
187 -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.
188 188  
189 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
137 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
190 190  
191 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
192 -|(% style="width:97px" %)(((
193 -**Size(bytes)**
194 -)))|(% style="width:39px" %)(((
195 -**2**
196 -)))|(% style="width:100px" %)(((
197 -**2**
198 -)))|(% style="width:77px" %)(((
199 -**2**
200 -)))|(% style="width:47px" %)(((
201 -**1**
202 -)))|(% style="width:51px" %)(((
203 -**4**
204 -)))
205 -|(% style="width:97px" %)(((
206 -**Value**
207 -)))|(% style="width:39px" %)(((
208 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
209 -)))|(% style="width:100px" %)(((
210 -(((
211 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
212 -)))
213 -)))|(% style="width:77px" %)(((
214 -(((
215 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
216 -)))
217 217  
218 -(((
219 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
220 -)))
221 -)))|(% style="width:47px" %)(((
222 -[[Ext>>||anchor="H2.4.5Ext23"]] #
223 -)))|(% style="width:51px" %)(((
224 -[[Ext value>>||anchor="H2.4.6Extvalue"]]
225 -)))
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]]
226 226  
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 +
227 227  * The First 6 bytes: has fix meanings for every LHT65N.
228 228  * The 7th byte (EXT #): defines the external sensor model.
229 229  * 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.)
230 230  
231 -=== 2.4.1 Decoder in TTN V3 ===
156 +=== Decoder in TTN V3 ===
232 232  
233 233  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.
234 234  
... ... @@ -236,24 +236,37 @@
236 236  
237 237  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
238 238  
239 -[[image:image-20220522234118-10.png||height="353" width="729"]]
164 +[[image:image-20220522234118-10.png]]
240 240  
241 -=== 2.4.2 BAT-Battery Info ===
242 242  
167 +=== BAT-Battery Info ===
168 +
243 243  These two bytes of BAT include the battery state and the actually voltage
244 244  
245 -[[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
246 246  
247 -[[image:image-20220522235639-1.png||height="139" width="727"]]
176 +00(b): Ultra Low ( BAT <= 2.50v)
248 248  
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 +
249 249  Check the battery voltage for LHT65N.
250 250  
251 251  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
252 252  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
253 253  
254 -=== 2.4.3 Built-in Temperature ===
192 +=== Built-in Temperature ===
255 255  
256 -[[image:image-20220522235639-2.png||height="138" width="722"]]
194 +[[image:image-20220522235639-2.png]]
257 257  
258 258  * Temperature:  0x0ABB/100=27.47℃
259 259  
... ... @@ -261,92 +261,72 @@
261 261  
262 262  * Temperature:  (0xF5C6-65536)/100=-26.18℃
263 263  
264 -=== 2.4.4 Built-in Humidity ===
202 +=== Built-in Humidity ===
265 265  
266 -[[image:image-20220522235639-4.png||height="138" width="722"]]
204 +[[image:image-20220522235639-4.png]]
267 267  
268 268  * Humidity:    0x025C/10=60.4%
269 269  
270 -=== 2.4.5 Ext # ===
208 +=== Ext # ===
271 271  
272 272  Bytes for External Sensor:
273 273  
274 -[[image:image-20220523152822-17.png]]
212 +(% style="width:624px" %)
213 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
214 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
215 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
275 275  
276 -=== 2.4.6 Ext value ===
217 +=== Ext value ===
277 277  
278 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
219 +==== Ext~=1, E3 Temperature Sensor ====
279 279  
280 280  [[image:image-20220522235639-5.png]]
281 281  
223 +
282 282  * DS18B20 temp=0x0ADD/100=27.81℃
283 283  
284 284  The last 2 bytes of data are meaningless
285 285  
228 +
229 +
286 286  [[image:image-20220522235639-6.png]]
287 287  
288 288  * External temperature= (0xF54F-65536)/100=-27.37℃
289 289  
290 -(((
291 291  The last 2 bytes of data are meaningless
292 -)))
293 293  
294 -(((
236 +
295 295  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
296 -)))
297 297  
298 298  
299 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
240 +==== Ext~=9, E3 sensor with Unix Timestamp ====
300 300  
301 301  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:
302 302  
303 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
304 -|(% style="width:96px" %)(((
305 -**Size(bytes)**
306 -)))|(% style="width:71px" %)(((
307 -**2**
308 -)))|(% style="width:99px" %)(((
309 -**2**
310 -)))|(% style="width:132px" %)(((
311 -**2**
312 -)))|(% style="width:54px" %)(((
313 -**1**
314 -)))|(% style="width:64px" %)(((
315 -**4**
316 -)))
317 -|(% style="width:96px" %)(((
318 -**Value**
319 -)))|(% style="width:71px" %)(((
320 -[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
321 -)))|(% style="width:99px" %)(((
322 -(((
323 -[[Built-In>>||anchor="H2.4.3Built-inTemperature"]]
324 -)))
325 325  
326 -(((
327 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
328 -)))
329 -)))|(% style="width:132px" %)(((
330 -(((
331 -BAT Status &
332 -)))
245 +(% style="width:697px" %)
246 +|(% 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**
247 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
248 +[[Built-In>>path:#SHT20_Temperature]]
333 333  
334 -(((
335 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
250 +[[Temperature>>path:#SHT20_Temperature]]
251 +)))|(% style="width:106px" %)(((
252 +[[BAT Status &>>path:#BAT_Humidity]]
253 +
254 +[[Built-in>>path:#BAT_Humidity]]
255 +
256 +[[Humidity>>path:#BAT_Humidity]]
257 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
258 +[[Unix>>path:#Unix_Time_Stamp]]
259 +
260 +[[Time Stamp>>path:#Unix_Time_Stamp]]
336 336  )))
337 -)))|(% style="width:54px" %)(((
338 -Status & Ext
339 -)))|(% style="width:64px" %)(((
340 -(((
341 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
342 -)))
343 -)))
344 344  
345 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
263 +* **Battery status & **[[(% class="wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
346 346  
347 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
348 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
349 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
265 +(% style="width:587px" %)
266 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
267 +|Value|(% style="width:280px" %)(((
350 350  BAT Status
351 351  
352 352  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -356,8 +356,8 @@
356 356  10(b): OK   (2.55v <= BAT <=2.65v)
357 357  
358 358  11(b): Good   (BAT >= 2.65v)
359 -)))|(% style="width:134px" %)(((
360 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
277 +)))|(% style="width:136px" %)(((
278 +[[Built-in Humidity>>path:#SHT20_Humidity]]
361 361  
362 362  
363 363  )))
... ... @@ -364,27 +364,30 @@
364 364  
365 365  * **Status & Ext Byte**
366 366  
367 -[[image:image-20220523152434-16.png]]
285 +(% style="width:732px" %)
286 +|(% 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]**
287 +|(% 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" %)(((
288 +Ext:
368 368  
290 +0b(1001)
291 +)))
292 +
369 369  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
370 370  * 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.
371 371  * 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)
372 372  
373 -== 2.5 Show data on Datacake ==
374 374  
298 +== Show data on Datacake ==
299 +
375 375  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:
376 376  
377 -(((
302 +
378 378  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
379 -)))
380 380  
381 -(((
382 382  **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.
383 -)))
384 384  
385 -(((
307 +
386 386  Add Datacake:
387 -)))
388 388  
389 389  [[image:image-20220523000825-7.png||height="262" width="583"]]
390 390  
... ... @@ -393,344 +393,43 @@
393 393  
394 394  [[image:image-20220523000825-8.png||height="453" width="406"]]
395 395  
317 +
396 396  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
397 397  
398 398  [[image:image-20220523000825-9.png||height="366" width="392"]]
399 399  
400 -[[image:image-20220523000825-10.png||height="413" width="728"]]
401 401  
402 -== 2.6 Datalog Feature ==
403 403  
404 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
324 +[[image:image-20220523000825-10.png||height="432" width="762"]]
405 405  
406 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
407 407  
408 -There are two methods:
409 409  
410 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
411 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
328 +== LED Indicator ==
412 412  
413 -=== 2.6.2 Unix TimeStamp ===
414 -
415 -LHT65N uses Unix TimeStamp format based on
416 -
417 -[[image:image-20220523001219-11.png||height="97" width="627"]]
418 -
419 -
420 -(((
421 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
422 -)))
423 -
424 -(((
425 -Below is the converter example
426 -)))
427 -
428 -[[image:image-20220523001219-12.png||height="298" width="720"]]
429 -
430 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
431 -
432 -=== 2.6.3 Set Device Time ===
433 -
434 -(((
435 -There are two ways to set device’s time:
436 -)))
437 -
438 -(((
439 -**~1. Through LoRaWAN MAC Command (Default settings)**
440 -)))
441 -
442 -(((
443 -User need to set SYNCMOD=1 to enable sync time via MAC command.
444 -)))
445 -
446 -(((
447 -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).
448 -)))
449 -
450 -(((
451 -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.
452 -)))
453 -
454 -(((
455 -
456 -)))
457 -
458 -(((
459 -**2. Manually Set Time**
460 -)))
461 -
462 -(((
463 -User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
464 -)))
465 -
466 -=== 2.6.4 Poll sensor value ===
467 -
468 -User can poll sensor value based on timestamps from the server. Below is the downlink command.
469 -
470 -[[image:image-20220523152302-15.png]]
471 -
472 -(((
473 -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.
474 -)))
475 -
476 -(((
477 -For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
478 -)))
479 -
480 -(((
481 -Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
482 -)))
483 -
484 -(((
485 -Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
486 -)))
487 -
488 -
489 -=== 2.6.5 Datalog Uplink payload ===
490 -
491 -The Datalog poll reply uplink will use below payload format.
492 -
493 -(((
494 -**Retrieval data payload**
495 -)))
496 -
497 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
498 -|(% style="width:93px" %)(((
499 -(((
500 -**Size(bytes)**
501 -)))
502 -)))|(% style="width:71px" %)(((
503 -(((
504 -**2**
505 -)))
506 -)))|(% style="width:102px" %)(((
507 -(((
508 -**2**
509 -)))
510 -)))|(% style="width:86px" %)(((
511 -(((
512 -**2**
513 -)))
514 -)))|(% style="width:86px" %)(((
515 -(((
516 -**1**
517 -)))
518 -)))|(% style="width:48px" %)(((
519 -(((
520 -**4**
521 -)))
522 -)))
523 -|(% style="width:93px" %)(((
524 -(((
525 -**Value**
526 -)))
527 -)))|(% style="width:71px" %)(((
528 -(((
529 -[[External sensor data>>||anchor="H2.4.6Extvalue"]]
530 -)))
531 -)))|(% style="width:102px" %)(((
532 -(((
533 -(((
534 -[[Built In>>||anchor="H2.4.3Built-inTemperature"]]
535 -)))
536 -)))
537 -
538 -(((
539 -(((
540 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
541 -)))
542 -)))
543 -)))|(% style="width:86px" %)(((
544 -(((
545 -(((
546 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
547 -)))
548 -)))
549 -
550 -(((
551 -(((
552 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
553 -)))
554 -)))
555 -)))|(% style="width:86px" %)(((
556 -(((
557 -Poll message flag & Ext
558 -)))
559 -)))|(% style="width:48px" %)(((
560 -(((
561 -(((
562 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
563 -)))
564 -)))
565 -
566 -(((
567 -(((
568 -
569 -)))
570 -)))
571 -)))
572 -
573 -**Poll message flag & Ext**
574 -
575 -[[image:image-20220523152208-14.png]]
576 -
577 -(((
578 -(((
579 -Poll Message Flag: 1: This message is a poll message reply.
580 -)))
581 -)))
582 -
583 -* (((
584 -(((
585 -Poll Message Flag is set to 1.
586 -)))
587 -)))
588 -* (((
589 -(((
590 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
591 -)))
592 -)))
593 -
594 -(((
595 -(((
596 -For example, in US915 band, the max payload for different DR is:
597 -)))
598 -)))
599 -
600 -(((
601 -(((
602 -a) DR0: max is 11 bytes so one entry of data
603 -)))
604 -)))
605 -
606 -(((
607 -(((
608 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
609 -)))
610 -)))
611 -
612 -(((
613 -(((
614 -c) DR2: total payload includes 11 entries of data
615 -)))
616 -)))
617 -
618 -(((
619 -(((
620 -d) DR3: total payload includes 22 entries of data.
621 -)))
622 -)))
623 -
624 -(((
625 -(((
626 -If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
627 -)))
628 -)))
629 -
630 -
631 -**Example:**
632 -
633 -If LHT65N has below data inside Flash:
634 -
635 -[[image:image-20220523144455-1.png||height="335" width="735"]]
636 -
637 -(((
638 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
639 -)))
640 -
641 -(((
642 - Where : Start time: 60065F97 = time 21/1/19 04:27:03
643 -)))
644 -
645 -(((
646 - Stop time 60066DA7= time 21/1/19 05:27:03
647 -)))
648 -
649 -(((
650 -
651 -)))
652 -
653 -(((
654 -LHT65N will uplink this payload.
655 -)))
656 -
657 -[[image:image-20220523001219-13.png||height="421" width="727"]]
658 -
659 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
660 -
661 -Where the first 11 bytes is for the first entry:
662 -
663 -7FFF089801464160065F97
664 -
665 -Ext sensor data=0x7FFF/100=327.67
666 -
667 -Temp=0x0898/100=22.00
668 -
669 -Hum=0x0146/10=32.6
670 -
671 -poll message flag & Ext=0x41,means reply data,Ext=1
672 -
673 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
674 -
675 -
676 -== 2.7 Alarm Mode ==
677 -
678 -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.
679 -
680 -(((
681 -(% 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.
682 -)))
683 -
684 -**AT Commands for Alarm mode:**
685 -
686 -(% class="box infomessage" %)
687 -(((
688 -(((
689 -**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
690 -**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
691 -)))
692 -)))
693 -
694 -(% class="wikigeneratedid" %)
695 -== ==
696 -
697 -== 2.8 LED Indicator ==
698 -
699 -(((
700 700  The LHT65N has a triple color LED which for easy shows different stage.
701 -)))
702 702  
703 -(((
704 704  While pressing ACT button, the LED will work as per LED status with ACT button.
705 -)))
706 706  
707 -(((
708 708  In a normal working state:
709 -)))
710 710  
711 -* (((
712 -For each uplink, the BLUE LED or RED LED will blink once.
713 -)))
714 -* (((
715 -BLUE LED when an external sensor is connected
716 -)))
717 -* (((
718 -RED LED when an external sensor is not connected
719 -)))
720 -* (((
721 -For each success downlink, the PURPLE LED will blink once
722 -)))
336 +* For each uplink, the BLUE LED or RED LED will blink once.
337 +* BLUE LED when an external sensor is connected
338 +* RED LED when an external sensor is not connected
339 +* For each success downlink, the PURPLE LED will blink once
723 723  
724 724  ----
725 725  
726 -== 2.9 Installation ==
343 +== Installation ==
727 727  
728 -[[image:image-20220516231650-1.png||height="436" width="428"]]
345 +[[image:image-20220516231650-1.png||height="632" width="620"]]
729 729  
730 -= 3. Sensors & Accessories =
731 731  
732 -== 3.1 E3 Temperature Probe ==
733 733  
349 +
350 += Sensors & Accessories =
351 +
352 +== E3 Temperature Probe ==
353 +
734 734  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
735 735  
736 736  
... ... @@ -742,388 +742,72 @@
742 742  * Operating Range: -40 ~~ 125 °C
743 743  * -55°C to 125°C
744 744  * Working voltage 2.35v ~~ 5v
365 +
745 745  
746 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
367 += Battery & How to replace =
747 747  
748 -(((
749 -Use can configure LHT65N via AT Command or LoRaWAN Downlink.
750 -)))
369 +== Battery Type ==
751 751  
752 -* (((
753 -AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
754 -)))
755 -* (((
756 -LoRaWAN Downlink instruction for different platforms:
757 -)))
758 -
759 -(((
760 -[[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]]
761 -)))
762 -
763 -(((
764 -There are two kinds of commands to configure LHT65N, they are:
765 -)))
766 -
767 -(((
768 -(% style="color:#4f81bd" %)* **General Commands**.
769 -)))
770 -
771 -(((
772 -These commands are to configure:
773 -)))
774 -
775 -* (((
776 -General system settings like: uplink interval.
777 -)))
778 -* (((
779 -LoRaWAN protocol & radio-related commands.
780 -)))
781 -
782 -(((
783 -They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
784 -)))
785 -
786 -(((
787 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
788 -)))
789 -
790 -(((
791 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
792 -)))
793 -
794 -(((
795 -These commands are only valid for LHT65N, as below:
796 -)))
797 -
798 -== 4.1 Set Transmit Interval Time ==
799 -
800 -Feature: Change LoRaWAN End Node Transmit Interval.
801 -
802 -**AT Command: AT+TDC**
803 -
804 -[[image:image-20220523150701-2.png]]
805 -
806 -(((
807 -**Downlink Command: 0x01**
808 -)))
809 -
810 -(((
811 -Format: Command Code (0x01) followed by 3 bytes time value.
812 -)))
813 -
814 -(((
815 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
816 -)))
817 -
818 -* (((
819 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
820 -)))
821 -* (((
822 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
823 -)))
824 -
825 -== 4.2 Set External Sensor Mode ==
826 -
827 -Feature: Change External Sensor Mode.
828 -
829 -**AT Command: AT+EXT**
830 -
831 -[[image:image-20220523150759-3.png]]
832 -
833 -(((
834 -**Downlink Command: 0xA2**
835 -)))
836 -
837 -(((
838 -Total bytes: 2 ~~ 5 bytes
839 -)))
840 -
841 -(((
842 -**Example:**
843 -)))
844 -
845 -* (((
846 -0xA201: Set external sensor type to E1
847 -)))
848 -* (((
849 -0xA209: Same as AT+EXT=9
850 -)))
851 -* (((
852 -0xA20702003c,Same as AT+SETCNT=60
853 -)))
854 -
855 -== 4.3 Enable/Disable uplink Temperature probe ID ==
856 -
857 -Feature: If PID is enabled, device will send the temperature probe ID on:
858 -
859 -* First Packet after OTAA Join
860 -* Every 24 hours since the first packet.
861 -
862 -PID is default set to disable (0)
863 -
864 -**AT Command:**
865 -
866 -[[image:image-20220523150928-4.png]]
867 -
868 -**Downlink Command:**
869 -
870 -* 0xA800  **~-~->** AT+PID=0
871 -* 0xA801     **~-~->** AT+PID=1
872 -
873 -== 4.4 Set Password ==
874 -
875 -Feature: Set device password, max 9 digits
876 -
877 -**AT Command: AT+PWORD**
878 -
879 -[[image:image-20220523151052-5.png]]
880 -
881 -(((
882 -**Downlink Command:**
883 -)))
884 -
885 -(((
886 -No downlink command for this feature.
887 -)))
888 -
889 -== 4.5 Quit AT Command ==
890 -
891 -Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
892 -
893 -**AT Command: AT+DISAT**
894 -
895 -[[image:image-20220523151132-6.png]]
896 -
897 -**Downlink Command:**
898 -
899 -No downlink command for this feature.
900 -
901 -== 4.6 Set to sleep mode ==
902 -
903 -Feature: Set device to sleep mode
904 -
905 -**AT Command: AT+SLEEP**
906 -
907 -[[image:image-20220523151218-7.png]]
908 -
909 -**Downlink Command:**
910 -
911 -* There is no downlink command to set to Sleep mode.
912 -
913 -== 4.7 Set system time ==
914 -
915 -Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
916 -
917 -**AT Command:**
918 -
919 -[[image:image-20220523151253-8.png]]
920 -
921 -**Downlink Command:**
922 -
923 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
924 -
925 -== 4.8 Set Time Sync Mode ==
926 -
927 -(((
928 -Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
929 -)))
930 -
931 -(((
932 -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.
933 -)))
934 -
935 -(((
936 -**AT Command:**
937 -)))
938 -
939 -[[image:image-20220523151336-9.png]]
940 -
941 -**Downlink Command:**
942 -
943 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
944 -
945 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
946 -
947 -== 4.9 Set Time Sync Interval ==
948 -
949 -Feature: Define System time sync interval. SYNCTDC default value: 10 days.
950 -
951 -**AT Command:**
952 -
953 -[[image:image-20220523151411-10.png]]
954 -
955 -**Downlink Command:**
956 -
957 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
958 -
959 -== 4.10 Print data entries base on page. ==
960 -
961 -Feature: Print the sector data from start page to stop page (max is 416 pages).
962 -
963 -**AT Command: AT+PDTA**
964 -
965 -[[image:image-20220523151450-11.png]]
966 -
967 -**Downlink Command:**
968 -
969 -No downlink commands for feature
970 -
971 -== 4.11 Print last few data entries. ==
972 -
973 -Feature: Print the last few data entries
974 -
975 -**AT Command: AT+PLDTA**
976 -
977 -[[image:image-20220523151524-12.png]]
978 -
979 -**Downlink Command:**
980 -
981 -No downlink commands for feature
982 -
983 -== 4.12 Clear Flash Record ==
984 -
985 -Feature: Clear flash storage for data log feature.
986 -
987 -**AT Command: AT+CLRDTA**
988 -
989 -[[image:image-20220523151556-13.png]]
990 -
991 -**Downlink Command: 0xA3**
992 -
993 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
994 -
995 -== 4.13 Auto Send None-ACK messages ==
996 -
997 -Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
998 -
999 -
1000 -**AT Command: AT+PNACKMD**
1001 -
1002 -The default factory setting is 0
1003 -
1004 -(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1005 -|=(% style="width: 171px;" %)**Command Example**|=(% style="width: 219px;" %)**Function**|=(% style="width: 119px;" %)**Response**
1006 -|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:119px" %)OK
1007 -
1008 -**Downlink Command: 0x34**
1009 -
1010 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1011 -
1012 -= 5. Battery & How to replace =
1013 -
1014 -== 5.1 Battery Type ==
1015 -
1016 1016  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.
1017 1017  
1018 -(((
1019 1019  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1020 1020  [[image:image-20220515075034-1.png||height="208" width="644"]]
1021 -)))
1022 1022  
1023 -(((
376 +
1024 1024  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1025 1025  
1026 -)))
1027 1027  
1028 -== 5.2 Replace Battery ==
380 +== Replace Battery ==
1029 1029  
1030 1030  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.
1031 1031  
1032 1032  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1033 1033  
1034 -== 5.3 Battery Life Analyze ==
1035 1035  
1036 -(((
387 +== Battery Life Analyze ==
388 +
1037 1037  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:
1038 1038  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1039 -)))
1040 1040  
1041 -= 6. Order Info =
1042 1042  
1043 -(((
1044 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1045 -)))
393 += Order Info =
1046 1046  
1047 -(((
1048 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1049 -)))
395 +Part Number: (% class="mark" %)**LHT65N-XX**
1050 1050  
1051 -* (((
1052 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1053 -)))
1054 -* (((
1055 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1056 -)))
1057 -* (((
1058 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1059 -)))
1060 -* (((
1061 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1062 -)))
1063 -* (((
1064 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1065 -)))
1066 -* (((
1067 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1068 -)))
1069 -* (((
1070 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1071 -)))
1072 -* (((
1073 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1074 -)))
397 +**XX**: The default frequency band
1075 1075  
1076 -(((
1077 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1078 -)))
399 +* **AS923**: LoRaWAN AS923 band
400 +* **AU915**: LoRaWAN AU915 band
401 +* **EU433**: LoRaWAN EU433 band
402 +* **EU868**: LoRaWAN EU868 band
403 +* **KR920**: LoRaWAN KR920 band
404 +* **US915**: LoRaWAN US915 band
405 +* **IN865**: LoRaWAN IN865 band
406 +* **CN470**: LoRaWAN CN470 band
1079 1079  
1080 -* (((
1081 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1082 -)))
408 +**YY**: Sensor Accessories
1083 1083  
1084 -= 7. Packing Info =
410 +* **E3**: External Temperature Probe
1085 1085  
1086 -(((
412 += Packing Info =
413 +
1087 1087  **Package Includes**:
1088 -)))
1089 1089  
1090 -* (((
1091 -LHT65N Temperature & Humidity Sensor x 1
1092 -)))
1093 -* (((
1094 -Program cable x 1
1095 -)))
1096 -* (((
1097 -Optional external sensor
1098 -)))
416 +* LHT65N Temperature & Humidity Sensor x 1
417 +* Program cable x 1
418 +* Optional external sensor
1099 1099  
1100 -(((
1101 1101  **Dimension and weight**:
1102 -)))
1103 1103  
1104 -* (((
1105 -Device Size:  13.5 x 7 x 3 cm
1106 -)))
1107 -* (((
1108 -Device Weight: 105g
1109 -)))
1110 -* (((
1111 -Package Size / pcs : 14.5 x 8 x 5 cm
1112 -)))
1113 -* (((
1114 -Weight / pcs : 170g
1115 -)))
422 +* Device Size:  13.5 x 7 x 3 cm
423 +* Device Weight: 105g
424 +* Package Size / pcs : 14.5 x 8 x 5 cm
425 +* Weight / pcs : 170g
1116 1116  
1117 -= 8. FCC Warning =
427 += FCC Warning =
1118 1118  
1119 -(((
1120 1120  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1121 -)))
1122 1122  
1123 -(((
1124 -(1) This device may not cause harmful interference；
1125 -)))
431 +(1) This device may not cause harmful interference, and
1126 1126  
1127 -(((
1128 -(2) this device must accept any interference received, including interference that may cause undesired operation.
1129 -)))
433 +(2) this device must accept any interference received, including interference that may cause undesired operation
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