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From version < 85.27 >
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Title
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1 -LSPH01-LoRaWAN Soil pH Sensor User Manual
1 +LLDS12-LoRaWAN LiDAR ToF Distance Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1654592399090-860.png||height="521" width="483"]]
2 +[[image:image-20220610095606-1.png]]
3 3  
4 4  
5 +**Contents:**
5 5  
6 6  
7 -**Contents:**
8 8  
9 -* [[1. Introduction>>path:#H1.Introduction]]
10 -** [[1.1 ​What is LoRaWAN Soil pH Sensor>>path:#H1.1200BWhatisLoRaWANSoilpHSensor]]
11 -** [[​1.2 Features>>path:#H200B1.2Features]]
12 -** [[1.3 Probe Specification>>path:#H1.3ProbeSpecification]]
13 -** [[1.4 ​Applications>>path:#H1.4200BApplications]]
14 -** [[1.5 Pin mapping and power on>>path:#H1.5Pinmappingandpoweron]]
15 -* [[2. Configure LSPH01 to connect to LoRaWAN network>>path:#H2.ConfigureLSPH01toconnecttoLoRaWANnetwork]]
16 -** [[2.1 How it works>>path:#H2.1Howitworks]]
17 -** [[2.2 ​Quick guide to connect to LoRaWAN server (OTAA)>>path:#H2.2200BQuickguidetoconnecttoLoRaWANserver28OTAA29]]
18 -** [[2.3 ​Uplink Payload>>path:#H2.3200BUplinkPayload]]
19 -*** [[2.3.1 Battery Info>>path:#H2.3.1BatteryInfo]]
20 -*** [[2.3.2 DS18B20 Temperature sensor>>path:#H2.3.2DS18B20Temperaturesensor]]
21 -*** [[2.3.3 Soil pH>>path:#H2.3.3SoilpH]]
22 -*** [[2.3.4 Soil Temperature>>path:#H2.3.4SoilTemperature]]
23 -*** [[2.3.5 Interrupt Pin>>path:#H2.3.5InterruptPin]]
24 -*** [[2.3.6 Message Type>>path:#H2.3.6MessageType]]
25 -*** [[2.3.7 Decode payload in The Things Network>>path:#H2.3.7DecodepayloadinTheThingsNetwork]]
26 -** [[2.4 Uplink Interval>>path:#H2.4UplinkInterval]]
27 -** [[2.5 ​Show Data in DataCake IoT Server>>path:#H2.5200BShowDatainDataCakeIoTServer]]
28 -** [[2.6 Installation and Maintain>>path:#H2.6InstallationandMaintain]]
29 -*** [[2.6.1 Before measurement>>path:#H2.6.1Beforemeasurement]]
30 -*** [[2.6.2 Measurement>>path:#H2.6.2Measurement]]
31 -*** [[2.6.3 Maintain Probe>>path:#H2.6.3MaintainProbe]]
32 -** [[2.7 Calibration>>path:#H2.7Calibration]]
33 -** [[2.8 Frequency Plans>>path:#H2.8FrequencyPlans]]
34 -*** [[2.8.1 EU863-870 (EU868)>>path:#H2.8.1EU863-87028EU86829]]
35 -*** [[2.8.2 US902-928(US915)>>path:#H2.8.2US902-92828US91529]]
36 -*** [[2.8.3 CN470-510 (CN470)>>path:#H2.8.3CN470-51028CN47029]]
37 -*** [[2.8.4 AU915-928(AU915)>>path:#H2.8.4AU915-92828AU91529]]
38 -*** [[2.8.5 AS920-923 & AS923-925 (AS923)>>path:#H2.8.5AS920-92326AS923-92528AS92329]]
39 -*** [[2.8.6 KR920-923 (KR920)>>path:#H2.8.6KR920-92328KR92029]]
40 -*** [[2.8.7 IN865-867 (IN865)>>path:#H2.8.7IN865-86728IN86529]]
41 -** [[2.9 LED Indicator>>path:#H2.9LEDIndicator]]
42 -** [[2.10 ​Firmware Change Log>>path:#H2.10200BFirmwareChangeLog]]
43 -* [[3. Configure LSPH01 via AT Command or LoRaWAN Downlink>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]]
44 -** [[3.1 Set Transmit Interval Time>>path:#H3.1SetTransmitIntervalTime]]
45 -** [[3.2 Set Interrupt Mode>>path:#H3.2SetInterruptMode]]
46 -** [[3.3 Calibrate Sensor>>path:#H3.3CalibrateSensor]]
47 -** [[3.4 Get Firmware Version Info>>path:#H3.4GetFirmwareVersionInfo]]
48 -* [[4. Battery & How to replace>>path:#H4.Battery26Howtoreplace]]
49 -** [[4.1 Battery Type>>path:#H4.1BatteryType]]
50 -** [[4.2 Replace Battery>>path:#H4.2ReplaceBattery]]
51 -** [[4.3 Power Consumption Analyze>>path:#H4.3PowerConsumptionAnalyze]]
52 -*** [[4.3.1 ​Battery Note>>path:#H4.3.1200BBatteryNote]]
53 -*** [[​4.3.2 Replace the battery>>path:#H200B4.3.2Replacethebattery]]
54 -* [[5. Use AT Command>>path:#H5.UseATCommand]]
55 -** [[5.1 Access AT Commands>>path:#H5.1AccessATCommands]]
56 -* [[6. FAQ>>path:#H6.FAQ]]
57 -** [[6.1 How to change the LoRa Frequency Bands/Region>>path:#H6.1HowtochangetheLoRaFrequencyBands2FRegion]]
58 -* [[7. Trouble Shooting>>path:#H7.TroubleShooting]]
59 -** [[7.1 AT Commands input doesn’t work>>path:#H7.1ATCommandsinputdoesn2019twork]]
60 -* [[8. Order Info>>path:#H8.OrderInfo]]
61 -* [[9. ​Packing Info>>path:#H9.200BPackingInfo]]
62 -* [[10. ​Support>>path:#H10.A0200BSupport]]
63 63  
64 -= 1. Introduction =
65 65  
66 -== 1.1 ​What is LoRaWAN Soil pH Sensor ==
67 67  
68 -(((
69 -The Dragino LSPH01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
70 -)))
71 71  
72 -(((
73 -LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:#4f81bd" %)pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
74 -)))
13 += 1.  Introduction =
75 75  
76 -(((
77 -The LoRa wireless technology used in LSPH01 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
78 -)))
15 +== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
79 79  
80 80  (((
81 -LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
82 -)))
18 +
83 83  
84 -(((
85 -Each LSPH01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
86 -)))
20 +The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
87 87  
22 +The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
88 88  
89 -[[image:1654592435432-887.png]]
24 +It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
90 90  
26 +The LoRa wireless technology used in LLDS12 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
91 91  
28 +LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
92 92  
30 +Each LLDS12 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
31 +)))
93 93  
94 -== ​1.2 Features ==
95 95  
34 +[[image:1654826306458-414.png]]
35 +
36 +
37 +
38 +== ​1.2  Features ==
39 +
96 96  * LoRaWAN 1.0.3 Class A
97 97  * Ultra-low power consumption
98 -* Monitor soil pH with temperature compensation.
99 -* Monitor soil temperature
42 +* Laser technology for distance detection
43 +* Operating Range - 0.1m~~12m①
44 +* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
100 100  * Monitor Battery Level
101 -* Support pH calibration by end user
102 102  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
103 103  * AT Commands to change parameters
104 104  * Uplink on periodically
105 105  * Downlink to change configure
106 -* IP66 Waterproof Enclosure
107 -* IP68 rate for the Sensor Probe
108 108  * 8500mAh Battery for long term use
109 109  
52 +== 1.3  Probe Specification ==
110 110  
111 -== 1.3 Probe Specification ==
54 +* Storage temperature ：-20℃~~75℃
55 +* Operating temperature - -20℃~~60℃
56 +* Operating Range - 0.1m~~12m①
57 +* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
58 +* Distance resolution - 5mm
59 +* Ambient light immunity - 70klux
60 +* Enclosure rating - IP65
61 +* Light source - LED
62 +* Central wavelength - 850nm
63 +* FOV - 3.6°
64 +* Material of enclosure - ABS+PC
65 +* Wire length - 25cm
112 112  
67 +== 1.4  Probe Dimension ==
113 113  
114 -(% style="color:#4f81bd" %)**Soil pH:**
115 115  
116 -* Range: 3 ~~ 10 pH
117 -* Resolution: 0.01 pH
118 -* Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
119 -* Temperature Compensation Range: 0 ~~ 50℃
120 -* IP68 Protection
121 -* Length: 3.5 meters
70 +[[image:1654827224480-952.png]]
122 122  
123 -(% style="color:#4f81bd" %)**Soil Temperature:**
124 124  
125 -* Range -40℃～85℃
126 -* Resolution: 0.1℃
127 -* Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
128 -* IP68 Protection
129 -* Length: 3.5 meters
130 130  
74 +== 1.5 ​ Applications ==
131 131  
132 -== 1.4 ​Applications ==
76 +* Horizontal distance measurement
77 +* Parking management system
78 +* Object proximity and presence detection
79 +* Intelligent trash can management system
80 +* Robot obstacle avoidance
81 +* Automatic control
82 +* Sewer
133 133  
134 -* Smart Agriculture
84 +== 1.6 Pin mapping and power on ==
135 135  
136 136  
137 -== 1.5 Pin mapping and power on ==
87 +[[image:1654827332142-133.png]]
138 138  
139 -[[image:1654592472094-134.png]]
140 140  
141 141  
91 += 2. Configure LLDS12 to connect to LoRaWAN network =
142 142  
143 -= 2. Configure LSPH01 to connect to LoRaWAN network =
144 -
145 145  == 2.1 How it works ==
146 146  
147 147  (((
148 -The LSPH01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSPH01. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
96 +The LLDS12 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LLDS12. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
149 149  )))
150 150  
151 151  (((
152 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H5.UseATCommand"]]to set the keys in the LSPH01.
100 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H6.UseATCommand"]]to set the keys in the LLDS12.
153 153  )))
154 154  
155 155  
... ... @@ -160,7 +160,7 @@
160 160  )))
161 161  
162 162  (((
163 -[[image:1654592492399-921.png]]
111 +[[image:1654827857527-556.png]]
164 164  )))
165 165  
166 166  (((
... ... @@ -730,9 +730,6 @@
730 730  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
731 731  * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
732 732  
733 -
734 -
735 -
736 736  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
737 737  
738 738  (((
... ... @@ -956,9 +956,6 @@
956 956  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
957 957  * Blink once when device transmit a packet.
958 958  
959 -
960 -
961 -
962 962  == 2.10 ​Firmware Change Log ==
963 963  
964 964  
... ... @@ -971,10 +971,10 @@
971 971  
972 972  
973 973  
974 -= 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
916 += 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
975 975  
976 976  (((
977 -Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
919 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
978 978  )))
979 979  
980 980  * (((
... ... @@ -985,6 +985,8 @@
985 985  )))
986 986  
987 987  (((
930 +
931 +
988 988  There are two kinds of commands to configure LSPH01, they are:
989 989  )))
990 990  
... ... @@ -1004,7 +1004,7 @@
1004 1004  )))
1005 1005  
1006 1006  (((
1007 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:[[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
951 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
1008 1008  )))
1009 1009  
1010 1010  (((
... ... @@ -1012,7 +1012,7 @@
1012 1012  )))
1013 1013  
1014 1014  * (((
1015 -(% style="color:#4f81bd" %)** Commands special design for LSPH01**
959 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
1016 1016  )))
1017 1017  
1018 1018  (((
... ... @@ -1175,12 +1175,12 @@
1175 1175  
1176 1176  
1177 1177  
1178 -= 4. Battery & How to replace =
1122 += 5.  Battery & How to replace =
1179 1179  
1180 -== 4.1 Battery Type ==
1124 +== 5.1  Battery Type ==
1181 1181  
1182 1182  (((
1183 -LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
1127 +LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
1184 1184  )))
1185 1185  
1186 1186  (((
... ... @@ -1190,13 +1190,13 @@
1190 1190  [[image:1654593587246-335.png]]
1191 1191  
1192 1192  
1193 -Minimum Working Voltage for the LSPH01:
1137 +Minimum Working Voltage for the LLDS12:
1194 1194  
1195 -LSPH01:  2.45v ~~ 3.6v
1139 +LLDS12:  2.45v ~~ 3.6v
1196 1196  
1197 1197  
1198 1198  
1199 -== 4.2 Replace Battery ==
1143 +== 5.2  Replace Battery ==
1200 1200  
1201 1201  (((
1202 1202  Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
... ... @@ -1208,7 +1208,7 @@
1208 1208  
1209 1209  
1210 1210  
1211 -== 4.3 Power Consumption Analyze ==
1155 +== 5.3  Power Consumption Analyze ==
1212 1212  
1213 1213  (((
1214 1214  Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
... ... @@ -1251,7 +1251,7 @@
1251 1251  
1252 1252  
1253 1253  
1254 -=== 4.3.1 ​Battery Note ===
1198 +=== 5.3.1  ​Battery Note ===
1255 1255  
1256 1256  (((
1257 1257  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
... ... @@ -1259,23 +1259,23 @@
1259 1259  
1260 1260  
1261 1261  
1262 -=== ​4.3.2 Replace the battery ===
1206 +=== ​5.3.2  Replace the battery ===
1263 1263  
1264 1264  (((
1265 -You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
1209 +You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
1266 1266  )))
1267 1267  
1268 1268  (((
1269 -The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1213 +The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1270 1270  )))
1271 1271  
1272 1272  
1273 1273  
1274 -= 5. Use AT Command =
1218 += 6.  Use AT Command =
1275 1275  
1276 -== 5.1 Access AT Commands ==
1220 +== 6.1  Access AT Commands ==
1277 1277  
1278 -LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below.
1222 +LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1279 1279  
1280 1280  [[image:1654593668970-604.png]]
1281 1281  
... ... @@ -1298,27 +1298,53 @@
1298 1298  Valid AT Command please check [[Configure Device>>||anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
1299 1299  
1300 1300  
1301 -= 6. FAQ =
1245 += 7.  FAQ =
1302 1302  
1303 -== 6.1 How to change the LoRa Frequency Bands/Region ==
1247 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1304 1304  
1305 1305  You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
1306 1306  When downloading the images, choose the required image file for download. ​
1307 1307  
1308 1308  
1309 -= 7. Trouble Shooting =
1253 += 8.  Trouble Shooting =
1310 1310  
1311 -== 7.1 AT Commands input doesn’t work ==
1255 +== 8.1  AT Commands input doesn’t work ==
1312 1312  
1257 +
1313 1313  In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1314 1314  
1315 1315  
1261 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1316 1316  
1317 -= 8. Order Info =
1318 1318  
1319 -Part Number: (% style="color:blue" %)**LSPH01-XX**
1264 +(((
1265 +(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
1266 +)))
1320 1320  
1268 +(((
1269 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1270 +)))
1321 1321  
1272 +(((
1273 +
1274 +)))
1275 +
1276 +(((
1277 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1278 +)))
1279 +
1280 +(((
1281 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1282 +)))
1283 +
1284 +
1285 +
1286 += 9.  Order Info =
1287 +
1288 +
1289 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1290 +
1291 +
1322 1322  (% style="color:blue" %)**XX**(%%): The default frequency band
1323 1323  
1324 1324  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -1331,12 +1331,12 @@
1331 1331  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1332 1332  
1333 1333  
1334 -= 9. ​Packing Info =
1304 += 10. ​ Packing Info =
1335 1335  
1336 1336  
1337 1337  **Package Includes**:
1338 1338  
1339 -* LSPH01 LoRaWAN Soil Ph Sensor x 1
1309 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1340 1340  
1341 1341  **Dimension and weight**:
1342 1342  
... ... @@ -1346,7 +1346,7 @@
1346 1346  * Weight / pcs : g
1347 1347  
1348 1348  
1349 -= 10. ​Support =
1319 += 11.  ​Support =
1350 1350  
1351 1351  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1352 1352  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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