Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
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... ... @@ -1,47 +1,27 @@ 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 WhatisLHT65N 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 ... ... @@ -54,91 +54,55 @@ 54 54 * Tri-color LED to indicate working status 55 55 * Datalog feature 56 56 57 -== 1.3Specification ==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 -== 2.1How 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 -(% border="1" style="background-color:#ffffcc; color:green; width:739px" %) 136 -|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action** 137 -|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)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. 138 -|**Pressing ACT for more than 3s**|Active Device|(% style="width:424px" %)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. 139 -|**Fast press ACT 5 times**|Deactivate Device|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode. 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. 140 140 141 -== 2.3Example to join LoRaWAN network ==85 +== Example to join LoRaWAN network == 142 142 143 143 (% class="wikigeneratedid" %) 144 144 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. ... ... @@ -149,7 +149,7 @@ 149 149 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: 150 150 151 151 152 -=== 2.3.1Step 1: Create Device n TTN ===96 +=== **Step 1**: Create Device n TTN === 153 153 154 154 Create a device in TTN V3 with the OTAA keys from LHT65N. 155 155 ... ... @@ -163,8 +163,10 @@ 163 163 164 164 [[image:image-20220522232916-3.png]] 165 165 110 + 166 166 [[image:image-20220522232932-4.png]] 167 167 113 + 168 168 [[image:image-20220522232954-5.png]] 169 169 170 170 Note: LHT65N use same payload as LHT65. ... ... @@ -177,37 +177,37 @@ 177 177 [[image:image-20220522233118-7.png]] 178 178 179 179 180 -=== 2.3.2Step 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. === 181 181 182 182 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. 183 183 184 -[[image:image-20220522233300-8.png ||height="219" width="722"]]130 +[[image:image-20220522233300-8.png]] 185 185 186 186 187 -== 2.4Uplink Payload ==133 +== Uplink Payload: == 188 188 189 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and style="color:#4f81bd" %)**every 20 minutes**(%%)135 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default. 190 190 191 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.137 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once. 192 192 193 193 194 -(% border="1"style="background-color:#ffffcc; color:green;width:428px" %)195 -|(% style="width:106px" %)**Size(bytes)**|(% style="width: 46px" %)**2**|(% style="width:104px" %)**2**|(% style="width:80px" %)**2**|(% style="width:51px" %)**1**|(% style="width:35px" %)**4**196 -|(% style="width:106px" %)**Value**|(% style="width: 46px" %)[[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]]|(% style="width:104px" %)(((197 -[[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]]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]] 198 198 199 -[[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]]200 -)))|(% style="width: 80px" %)(((201 -[[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]]145 +[[Temperature>>path:#SHT20_Temperature]] 146 +)))|(% style="width:103px" %)((( 147 +[[Built-in>>path:#SHT20_Humidity]] 202 202 203 -[[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]]204 -)))|(% style="width: 51px" %)[[Ext>>path:#Extension_Sensor]]35px" %)[[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]]149 +[[Humidity>>path:#SHT20_Humidity]] 150 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]] 205 205 206 206 * The First 6 bytes: has fix meanings for every LHT65N. 207 207 * The 7th byte (EXT #): defines the external sensor model. 208 208 * 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.) 209 209 210 -=== 2.4.1Decoder in TTN V3 ===156 +=== Decoder in TTN V3 === 211 211 212 212 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. 213 213 ... ... @@ -215,47 +215,28 @@ 215 215 216 216 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]] 217 217 218 -[[image:image-20220522234118-10.png ||height="353" width="729"]]164 +[[image:image-20220522234118-10.png]] 219 219 220 -=== 2.4.2 BAT-Battery Info === 221 221 167 +=== BAT-Battery Info === 168 + 222 222 These two bytes of BAT include the battery state and the actually voltage 223 223 224 -(% border="1" style="background-color:#ffffcc; color:green; width:502px" %) 225 -|(% style="width:75px" %)((( 226 -Bit(bit) 227 -)))|(% style="width:259px" %)((( 228 -[15:14] 229 -)))|(% style="width:164px" %)((( 230 -[13:0] 231 -))) 232 -|(% style="width:75px" %)((( 233 -Value 234 -)))|(% style="width:259px" %)((( 235 -((( 171 +(% style="width:646px" %) 172 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0] 173 +|Value|(% style="width:272px" %)((( 236 236 BAT Status 237 -))) 238 238 239 -((( 240 240 00(b): Ultra Low ( BAT <= 2.50v) 241 -))) 242 242 243 -((( 244 244 01(b): Low (2.50v <=BAT <= 2.55v) 245 -))) 246 246 247 -((( 248 248 10(b): OK (2.55v <= BAT <=2.65v) 249 -))) 250 250 251 -((( 252 252 11(b): Good (BAT >= 2.65v) 253 -))) 254 -)))|(% style="width:164px" %)((( 255 -Actually BAT voltage 256 -))) 183 +)))|(% style="width:214px" %)Actually BAT voltage 257 257 258 -[[image:image-20220522235639-1.png ||height="139" width="727"]]185 +[[image:image-20220522235639-1.png]] 259 259 260 260 Check the battery voltage for LHT65N. 261 261 ... ... @@ -262,79 +262,84 @@ 262 262 * BAT status=(0Xcba4>>14)&0xFF=11(B),very good 263 263 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV 264 264 265 -=== 2.4.3Built-in Temperature ===192 +=== Built-in Temperature === 266 266 267 -[[image:image-20220522235639-2.png ||height="138" width="722"]]194 +[[image:image-20220522235639-2.png]] 268 268 269 269 * Temperature: 0x0ABB/100=27.47℃ 270 270 198 + 271 271 [[image:image-20220522235639-3.png]] 272 272 273 273 * Temperature: (0xF5C6-65536)/100=-26.18℃ 274 274 275 -=== 2.4.4 Built-in Humidity === 276 276 277 - [[image:image-20220522235639-4.png||height="138"width="722"]]204 +=== Built-in Humidity === 278 278 206 +[[image:image-20220522235639-4.png]] 207 + 279 279 * Humidity: 0x025C/10=60.4% 280 280 281 -=== 2.4.5 Ext # === 282 282 211 +=== Ext # === 212 + 283 283 Bytes for External Sensor: 284 284 285 -(% border="1"style="background-color:#ffffcc; color:green;width:473px" %)286 -|(% style="width:139px" %)**EXT # Value**|(% style="width: 331px" %)**External Sensor Type**287 -|(% style="width:139px" %)0x01|(% style="width: 331px" %)Sensor E3, Temperature Sensor288 -|(% style="width:139px" %)0x09|(% style="width: 331px" %)Sensor E3, Temperature Sensor, Datalog Mod215 +(% 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 289 289 290 -=== 2.4.6 Ext value === 291 291 292 -=== =2.4.6.1Ext~=1,E3 TemperatureSensor====221 +=== Ext value === 293 293 223 +==== Ext~=1, E3 Temperature Sensor ==== 224 + 294 294 [[image:image-20220522235639-5.png]] 295 295 227 + 296 296 * DS18B20 temp=0x0ADD/100=27.81℃ 297 297 298 298 The last 2 bytes of data are meaningless 299 299 232 + 233 + 300 300 [[image:image-20220522235639-6.png]] 301 301 302 302 * External temperature= (0xF54F-65536)/100=-27.37℃ 303 303 304 -((( 305 305 The last 2 bytes of data are meaningless 306 -))) 307 307 308 - (((240 + 309 309 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃ 310 -))) 311 311 312 312 313 -==== 2.4.6.2Ext~=9, E3 sensor with Unix Timestamp ====244 +==== Ext~=9, E3 sensor with Unix Time stamp ==== 314 314 315 315 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: 316 316 317 -(% border="1" style="background-color:#ffffcc; color:green; width:533px" %) 318 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:75px" %)**4** 319 -|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[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]]|(% style="width:69px" %)((( 320 -[[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]] 321 321 322 -[[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]] 323 -)))|(% style="width:88px" %)((( 324 -BAT Status & 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]] 325 325 326 -[[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/#H2.4.4Built-inHumidity]] 254 +[[Temperature>>path:#SHT20_Temperature]] 255 +)))|(% style="width:106px" %)((( 256 +[[BAT Status &>>path:#BAT_Humidity]] 327 327 328 -[[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]] 329 -)))|(% style="width:69px" %)Status & Ext|(% style="width:75px" %)((( 330 -[[Unix>>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]] 258 +[[Built-in>>path:#BAT_Humidity]] 331 331 332 -[[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]] 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]] 333 333 ))) 334 334 335 -* **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]] 336 336 337 -(% border="1"style="background-color:#ffffcc; color:green;width:587px" %)269 +(% style="width:587px" %) 338 338 |Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0] 339 339 |Value|(% style="width:280px" %)((( 340 340 BAT Status ... ... @@ -347,17 +347,20 @@ 347 347 348 348 11(b): Good (BAT >= 2.65v) 349 349 )))|(% style="width:136px" %)((( 350 -[[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]]282 +[[Built-in Humidity>>path:#SHT20_Humidity]] 351 351 352 352 353 353 ))) 354 354 287 + 355 355 * **Status & Ext Byte** 356 356 357 -(% border="1"style="background-color:#ffffcc; color:green;width:732px" %)290 +(% style="width:732px" %) 358 358 |(% 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]** 359 359 |(% 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" %)((( 360 -Ext:0b(1001) 293 +Ext: 294 + 295 +0b(1001) 361 361 ))) 362 362 363 363 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink. ... ... @@ -364,219 +364,10 @@ 364 364 * 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. 365 365 * 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) 366 366 367 -== 2.5 Show data on Datacake == 368 368 369 -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: 370 370 371 -((( 372 -**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network. 373 -))) 304 +== LED Indicator == 374 374 375 -((( 376 -**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. 377 -))) 378 - 379 -((( 380 -Add Datacake: 381 -))) 382 - 383 -[[image:image-20220523000825-7.png||height="262" width="583"]] 384 - 385 - 386 -Select default key as Access Key: 387 - 388 -[[image:image-20220523000825-8.png||height="453" width="406"]] 389 - 390 -In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device. 391 - 392 -[[image:image-20220523000825-9.png||height="366" width="392"]] 393 - 394 -[[image:image-20220523000825-10.png||height="432" width="762"]] 395 - 396 -== 2.6 Datalog Feature == 397 - 398 -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. 399 - 400 -=== 2.6.1 Unix TimeStamp === 401 - 402 -LHT65N uses Unix TimeStamp format based on 403 - 404 -[[image:image-20220523001219-11.png||height="97" width="627"]] 405 - 406 - 407 -((( 408 -User can get this time from link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] : 409 -))) 410 - 411 -((( 412 -Below is the converter example 413 -))) 414 - 415 -[[image:image-20220523001219-12.png||height="302" width="730"]] 416 - 417 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 418 - 419 - 420 -=== 2.6.2 Set Device Time === 421 - 422 -There are two ways to set device’s time: 423 - 424 -**~1. Through LoRaWAN MAC Command (Default settings)** 425 - 426 -User need to set SYNCMOD=1 to enable sync time via MAC command. 427 - 428 -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). 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 -**2. Manually Set Time** 434 - 435 -User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server. 436 - 437 - 438 -=== 2.6.3 Poll sensor value === 439 - 440 -User can poll sensor value based on timestamps from the server. Below is the downlink command. 441 - 442 - 443 -(% border="1" style="width:454px" %) 444 -|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte 445 -|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval 446 - 447 -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. 448 - 449 - 450 -For example, downlink command 31 5FC5F350 5FC6 0160 05 451 - 452 -Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data 453 - 454 -Uplink Internal =5s,means LHT65N will send one packet every 5s. range 5~~255s. 455 - 456 - 457 -=== 2.6.4 Datalog Uplink payload === 458 - 459 -The Datalog poll reply uplink will use below payload format. 460 - 461 - 462 -Retrieval data payload 463 - 464 -(% border="1" %) 465 -|**Size(bytes)**|**2**|**2**|**2**|**1**|**4** 466 -|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|((( 467 -[[Built-In>>path:#SHT20_Temperature]] 468 - 469 -[[Temperature>>path:#SHT20_Temperature]] 470 -)))|((( 471 -[[Built-in>>path:#SHT20_Humidity]] 472 - 473 -[[Humidity>>path:#SHT20_Humidity]] 474 -)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|((( 475 -[[Unix Time Stamp>>path:#Unix_Time_Stamp]] 476 - 477 - 478 -))) 479 - 480 -Poll message flag & Ext 481 - 482 - 483 -(% border="1" %) 484 -|**Bits**|**7**|**6**|**5**|**4**|**[3:0]** 485 -|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|((( 486 -Ext: 487 - 488 -0b(1001) 489 -))) 490 - 491 -Poll Message Flag: 1: This message is a poll message reply. 492 - 493 -* Poll Message Flag is set to 1. 494 -* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands. 495 - 496 -For example, in US915 band, the max payload for different DR is: 497 - 498 -a) DR0: max is 11 bytes so one entry of data 499 - 500 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 501 - 502 -c) DR2: total payload includes 11 entries of data 503 - 504 -d) DR3: total payload includes 22 entries of data. 505 - 506 -If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0 507 - 508 - 509 -**Example:** 510 - 511 -If LHT65N has below data inside Flash: 512 - 513 -Flash Addr |Unix Time | Ext | BAT voltage| Value 514 - 515 -80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67 516 - 517 -80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67 518 - 519 -8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67 520 - 521 -8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67 522 - 523 -8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67 524 - 525 -8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67 526 - 527 -8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67 528 - 529 -8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67 530 - 531 - 532 -If user sends below downlink command: 533 - 534 -3160065F9760066DA705 535 - 536 - Where : Start time: 60065F97 = time 21/1/19 04:27:03 537 - 538 - Stop time 60066DA7= time 21/1/19 05:27:03 539 - 540 - 541 -LHT65N will uplink this payload. 542 - 543 -[[image:image-20220523001219-13.png||height="421" width="727"]] 544 - 545 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E 546 - 547 -Where the first 11 bytes is for the first entry: 548 - 549 -7FFF089801464160065F97 550 - 551 -Ext sensor data=0x7FFF/100=327.67 552 - 553 -Temp=0x0898/100=22.00 554 - 555 -Hum=0x0146/10=32.6 556 - 557 -poll message flag & Ext=0x41,means reply data,Ext=1 558 - 559 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03 560 - 561 - 562 -== 2.7 Alarm Mode == 563 - 564 -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. 565 - 566 - 567 -Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature. 568 - 569 - 570 -AT Commands for Alarm mode: 571 - 572 -**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable) 573 - 574 -**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute) 575 - 576 - 577 - 578 -== 2.8 LED Indicator == 579 - 580 580 The LHT65N has a triple color LED which for easy shows different stage. 581 581 582 582 While pressing ACT button, the LED will work as per LED status with ACT button. ... ... @@ -590,14 +590,17 @@ 590 590 591 591 ---- 592 592 593 -== 2.9Installation ==319 +== Installation == 594 594 595 -[[image:image-20220516231650-1.png||height=" 436" width="428"]]321 +[[image:image-20220516231650-1.png||height="632" width="620"]] 596 596 597 -= 3. Sensors & Accessories = 598 598 599 -== 3.1 E3 Temperature Probe == 600 600 325 + 326 += Sensors & Accessories = 327 + 328 +== E3 Temperature Probe == 329 + 601 601 [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]] 602 602 603 603 ... ... @@ -609,350 +609,36 @@ 609 609 * Operating Range: -40 ~~ 125 °C 610 610 * -55°C to 125°C 611 611 * Working voltage 2.35v ~~ 5v 341 + 612 612 613 -= 4. ConfigureLHT65Nvia AT CommandorLoRaWANDownlink=343 += Battery & How to replace = 614 614 615 - Usecan configureLHT65Nvia AT Command or LoRaWAN Downlink.345 +== Battery Type == 616 616 617 -* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]]. 618 -* LoRaWAN Downlink instruction for different platforms: 619 - 620 -[[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]] 621 - 622 -There are two kinds of commands to configure LHT65N, they are: 623 - 624 -* **General Commands**. 625 - 626 -These commands are to configure: 627 - 628 -* General system settings like: uplink interval. 629 -* LoRaWAN protocol & radio-related commands. 630 - 631 -They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: 632 - 633 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]] 634 - 635 -* **Commands special design for LHT65N** 636 - 637 -These commands are only valid for LHT65N, as below: 638 - 639 -== 4.1 Set Transmit Interval Time == 640 - 641 -Feature: Change LoRaWAN End Node Transmit Interval. 642 - 643 -**AT Command: AT+TDC** 644 - 645 -(% border="1" %) 646 -|**Command Example**|**Function**|**Response** 647 -|AT+TDC?|Show current transmit Interval|((( 648 -30000 649 - 650 -OK 651 - 652 -the interval is 30000ms = 30s 653 -))) 654 -|AT+TDC=60000|Set Transmit Interval|((( 655 -OK 656 - 657 -Set transmit interval to 60000ms = 60 seconds 658 -))) 659 - 660 -**Downlink Command: 0x01** 661 - 662 -Format: Command Code (0x01) followed by 3 bytes time value. 663 - 664 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 665 - 666 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 667 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 668 - 669 -== 4.2 Set External Sensor Mode == 670 - 671 -Feature: Change External Sensor Mode. 672 - 673 -**AT Command: AT+EXT** 674 - 675 -(% border="1" %) 676 -|**Command Example**|**Function**|**Response** 677 -|AT+EXT?|Get current external sensor mode|((( 678 -1 679 - 680 -OK 681 - 682 -External Sensor mode =1 683 -))) 684 -|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1 685 -|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp 686 - 687 -**Downlink Command: 0xA2** 688 - 689 -Total bytes: 2 ~~ 5 bytes 690 - 691 -Example: 692 - 693 -* 0xA201: Set external sensor type to E1 694 -* 0xA209: Same as AT+EXT=9 695 -* 0xA20702003c,Same as AT+SETCNT=60 696 - 697 -== 4.3 Enable/Disable uplink Temperature probe ID == 698 - 699 -Feature: If PID is enabled, device will send the temperature probe ID on: 700 - 701 -* First Packet after OTAA Join 702 -* Every 24 hours since the first packet. 703 - 704 -PID is default set to disable (0) 705 - 706 - 707 -**AT Command:** 708 - 709 -(% border="1" %) 710 -|**Command Example**|**Function**|**Response** 711 -|AT+PID=1|Enable PID uplink|OK 712 - 713 -**Downlink Command:** 714 - 715 -* 0xA800 à AT+PID=0 716 -* 0xA801 à AT+PID=1 717 - 718 -== 4.4 Set Password == 719 - 720 -Feature: Set device password, max 9 digits 721 - 722 -**AT Command: AT+PWORD** 723 - 724 -(% border="1" %) 725 -|**Command Example**|**Function**|**Response** 726 -|AT+PWORD=?|Show password|((( 727 -123456 728 - 729 - 730 -OK 731 -))) 732 -|AT+PWORD=999999|Set password|OK 733 - 734 -**Downlink Command:** 735 - 736 -No downlink command for this feature. 737 - 738 -== 4.5 Quit AT Command == 739 - 740 -Feature: Quit AT Command mode, so user needs to input password again before use AT Commands. 741 - 742 -**AT Command: AT+DISAT** 743 - 744 -(% border="1" %) 745 -|**Command Example**|**Function**|**Response** 746 -|AT+DISAT|Quit AT Commands mode|OK 747 - 748 -**Downlink Command:** 749 - 750 -No downlink command for this feature. 751 - 752 - 753 -== 4.6 Set to sleep mode == 754 - 755 -Feature: Set device to sleep mode 756 - 757 -**AT Command: AT+SLEEP** 758 - 759 -(% border="1" %) 760 -| | | 761 -|**Command Example**|**Function**|**Response** 762 -|AT+SLEEP|Set to sleep mode|((( 763 -Clear all stored sensor data… 764 - 765 -OK 766 -))) 767 - 768 -**Downlink Command:** 769 - 770 -* There is no downlink command to set to Sleep mode. 771 - 772 -== 4.7 Set system time == 773 - 774 -Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]] 775 - 776 -**AT Command:** 777 - 778 -(% border="1" %) 779 -|**Command Example**|**Function** 780 -|AT+TIMESTAMP=1611104352|((( 781 -OK 782 - 783 -Set System time to 2021-01-20 00:59:12 784 -))) 785 - 786 -**Downlink Command:** 787 - 788 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352 789 - 790 -== 4.8 Set Time Sync Mode == 791 - 792 -Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command. 793 - 794 -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. 795 - 796 - 797 -**AT Command:** 798 - 799 -|**Command Example**|**Function** 800 -|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq) 801 - 802 -**Downlink Command:** 803 - 804 -0x28 01 ~/~/ Same As AT+SYNCMOD=1 805 - 806 -0x28 00 ~/~/ Same As AT+SYNCMOD=0 807 - 808 -== 4.9 Set Time Sync Interval == 809 - 810 -Feature: Define System time sync interval. SYNCTDC default value: 10 days. 811 - 812 -**AT Command:** 813 - 814 -(% border="1" %) 815 -|**Command Example**|**Function** 816 -|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days. 817 - 818 -**Downlink Command:** 819 - 820 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A 821 - 822 -== 4.10 Print data entries base on page. == 823 - 824 -Feature: Print the sector data from start page to stop page (max is 416 pages). 825 - 826 -**AT Command: AT+PDTA** 827 - 828 -(% border="1" %) 829 -|**Command Example**|**Response** 830 -|((( 831 -AT+PDTA=1,3 832 - 833 - 834 - 835 -Print page 1 to 3 836 -)))|((( 837 -8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31 838 - 839 -8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93 840 - 841 -8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06 842 - 843 -8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12 844 - 845 -8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06 846 - 847 -8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68 848 - 849 -8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56 850 - 851 -8019570 852 - 853 -8019580 854 - 855 -8019590 856 - 857 -80195A0 858 - 859 -80195B0 860 - 861 -80195C0 862 - 863 -80195D0 864 - 865 -80195E0 866 - 867 -80195F0 868 - 869 - 870 -OK 871 -))) 872 - 873 -**Downlink Command:** 874 - 875 -No downlink commands for feature 876 - 877 -== 4.11 Print last few data entries. == 878 - 879 -Feature: Print the last few data entries 880 - 881 -**AT Command: AT+PLDTA** 882 - 883 -(% border="1" %) 884 -|**Command Example**|**Response** 885 -|((( 886 -AT+PLDTA=5 887 - 888 - 889 - 890 -Print last 5 entries 891 -)))|((( 892 -Stop Tx and RTP events when read sensor data 893 - 894 -1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75 895 - 896 -2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43 897 - 898 -3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56 899 - 900 -4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75 901 - 902 -5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43 903 - 904 -Start Tx and RTP events 905 - 906 -OK 907 -))) 908 - 909 -**Downlink Command:** 910 - 911 -No downlink commands for feature 912 - 913 -== 4.12 Clear Flash Record == 914 - 915 -Feature: Clear flash storage for data log feature. 916 - 917 -**AT Command: AT+CLRDTA** 918 - 919 -(% border="1" %) 920 -|**Command Example**|**Function**|**Response** 921 -|AT+CLRDTA|Clear date record|((( 922 -Clear all stored sensor data… 923 - 924 -OK 925 -))) 926 - 927 -**Downlink Command: 0xA3** 928 - 929 -* Example: 0xA301 ~/~/Same as AT+CLRDTA 930 - 931 -= 5. Battery & How to replace = 932 - 933 -== 5.1 Battery Type == 934 - 935 935 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. 936 936 937 937 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 938 938 [[image:image-20220515075034-1.png||height="208" width="644"]] 939 939 352 + 940 940 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery. 941 941 942 942 943 -== 5.2Replace Battery ==356 +== Replace Battery == 944 944 945 945 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. 946 946 947 947 [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]] 948 948 949 -== 5.3 Battery Life Analyze == 950 950 363 +== Battery Life Analyze == 364 + 951 951 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: 952 952 https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf 953 953 954 -= 6. Order Info = 955 955 369 += Order Info = 370 + 956 956 Part Number: (% class="mark" %)**LHT65N-XX** 957 957 958 958 **XX**: The default frequency band ... ... @@ -970,7 +970,7 @@ 970 970 971 971 * **E3**: External Temperature Probe 972 972 973 -= 7.Packing Info =388 += Packing Info = 974 974 975 975 **Package Includes**: 976 976 ... ... @@ -985,10 +985,10 @@ 985 985 * Package Size / pcs : 14.5 x 8 x 5 cm 986 986 * Weight / pcs : 170g 987 987 988 -= 8.FCC Warning =403 += FCC Warning = 989 989 990 990 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: 991 991 992 -(1) This device may not cause harmful interference ;407 +(1) This device may not cause harmful interference, and 993 993 994 -(2) this device must accept any interference received, including interference that may cause undesired operation .409 +(2) this device must accept any interference received, including interference that may cause undesired operation
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