Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Xiaoling on 2025/04/27 16:45
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... ... @@ -3,7 +3,6 @@ 3 3 4 4 **Contents:** 5 5 6 -{{toc/}} 7 7 8 8 9 9 ... ... @@ -11,7 +11,6 @@ 11 11 12 12 13 13 14 - 15 15 = 1. Introduction = 16 16 17 17 == 1.1 What is LoRaWAN Distance Detection Sensor == ... ... @@ -20,51 +20,24 @@ 20 20 21 21 22 22 ((( 23 -((( 24 24 The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 25 -))) 26 26 27 -((( 28 - 29 -))) 30 30 31 -((( 32 32 It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server. 33 -))) 34 34 35 -((( 36 - 37 -))) 38 38 39 -((( 40 40 The LoRa wireless technology used in LDDS75 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. 41 -))) 42 42 43 -((( 44 - 45 -))) 46 46 47 -((( 48 48 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 -))) 50 50 51 -((( 52 - 53 -))) 54 54 55 -((( 56 56 Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on. 57 -))) 58 58 59 -((( 60 - 61 -))) 62 62 63 -((( 64 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors 65 65 ))) 66 66 ))) 67 -))) 68 68 69 69 70 70 [[image:1654847051249-359.png]] ... ... @@ -87,7 +87,6 @@ 87 87 * 4000mAh or 8500mAh Battery for long term use 88 88 89 89 90 - 91 91 == 1.3 Specification == 92 92 93 93 === 1.3.1 Rated environmental conditions === ... ... @@ -94,12 +94,12 @@ 94 94 95 95 [[image:image-20220610154839-1.png]] 96 96 97 -((( 98 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 99 -))) 67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 100 100 69 +**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 101 101 102 102 72 + 103 103 === 1.3.2 Effective measurement range Reference beam pattern === 104 104 105 105 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -109,7 +109,6 @@ 109 109 [[image:1654852253176-749.png]] 110 110 111 111 112 - 113 113 **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.** 114 114 115 115 ... ... @@ -129,6 +129,7 @@ 129 129 * Sewer 130 130 * Bottom water level monitoring 131 131 101 + 132 132 == 1.6 Pin mapping and power on == 133 133 134 134 ... ... @@ -237,12 +237,12 @@ 237 237 **Size (bytes)** 238 238 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 239 239 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 240 -[[Distance>>||anchor="H2.3. 2A0Distance"]]210 +[[Distance>>||anchor="H2.3.3A0Distance"]] 241 241 242 242 (unit: mm) 243 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((244 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]245 -)))|[[Sensor Flag>> ||anchor="H2.3.5A0SensorFlag"]]213 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|((( 214 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]] 215 +)))|[[Sensor Flag>>path:#Sensor_Flag]] 246 246 247 247 [[image:1654850511545-399.png]] 248 248 ... ... @@ -269,9 +269,10 @@ 269 269 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 270 270 * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid. 271 271 242 + 272 272 === 2.3.3 Interrupt Pin === 273 273 274 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H 3.3A0SetInterruptMode"]] for the hardware and software set up.245 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up. 275 275 276 276 **Example:** 277 277 ... ... @@ -302,9 +302,9 @@ 302 302 0x00: No Ultrasonic Sensor 303 303 304 304 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 305 305 306 -=== 2.3.6 Decode payload in The Things Network === 307 - 308 308 While using TTN network, you can add the payload format to decode the payload. 309 309 310 310 ... ... @@ -838,6 +838,7 @@ 838 838 * Solid ON for 5 seconds once device successful Join the network. 839 839 * Blink once when device transmit a packet. 840 840 812 + 841 841 == 2.8 Firmware Change Log == 842 842 843 843 ... ... @@ -853,13 +853,11 @@ 853 853 854 854 [[image:image-20220610172003-1.png]] 855 855 856 - 857 857 [[image:image-20220610172003-2.png]] 858 858 859 859 831 +== 2.10 Battery Analysis == 860 860 861 -== 2.10 Battery Analysis == 862 - 863 863 === 2.10.1 Battery Type === 864 864 865 865 The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. ... ... @@ -868,7 +868,7 @@ 868 868 The battery related documents as below: 869 869 870 870 * ((( 871 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 841 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 872 872 ))) 873 873 * ((( 874 874 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -884,7 +884,7 @@ 884 884 === 2.10.2 Replace the battery === 885 885 886 886 ((( 887 -You can change the battery in the LDDS75.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.857 +You can change the battery in the LDDS75.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. 888 888 ))) 889 889 890 890 ((( ... ... @@ -892,12 +892,12 @@ 892 892 ))) 893 893 894 894 ((( 895 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can 't find this pack locally, they can find ER18505 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)865 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 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) 896 896 ))) 897 897 898 898 899 899 900 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 901 901 902 902 ((( 903 903 ((( ... ... @@ -907,7 +907,7 @@ 907 907 908 908 * ((( 909 909 ((( 910 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 911 911 ))) 912 912 ))) 913 913 * ((( ... ... @@ -1004,6 +1004,8 @@ 1004 1004 [[image:image-20220610173409-7.png]] 1005 1005 1006 1006 977 + 978 + 1007 1007 ((( 1008 1008 (% style="color:#037691" %)**Downlink Command: 0x01** 1009 1009 ))) ... ... @@ -1022,91 +1022,283 @@ 1022 1022 1023 1023 ))) 1024 1024 1025 -== 3.3 SetInterruptMode ==997 +== 3.3 Get Firmware Version Info == 1026 1026 1027 -Feature ,SetInterrupt modeforGPIO_EXIT.999 +Feature: use downlink to get firmware version. 1028 1028 1029 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**1001 +(% style="color:#037691" %)**Downlink Command: 0x26** 1030 1030 1031 -[[image:image-202206 10174917-9.png]]1003 +[[image:image-20220607171917-10.png]] 1032 1032 1005 +* Reply to the confirmation package: 26 01 1006 +* Reply to non-confirmed packet: 26 00 1033 1033 1034 - (%style="color:#037691"%)**DownlinkCommand:0x06**1008 +Device will send an uplink after got this downlink command. With below payload: 1035 1035 1036 - Format:Command Code(0x06)followedby 3 bytes.1010 +Configures info payload: 1037 1037 1038 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1012 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 1013 +|=((( 1014 +**Size(bytes)** 1015 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1** 1016 +|**Value**|Software Type|((( 1017 +Frequency 1039 1039 1040 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1041 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1019 +Band 1020 +)))|Sub-band|((( 1021 +Firmware 1042 1042 1023 +Version 1024 +)))|Sensor Type|Reserve|((( 1025 +[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1026 +Always 0x02 1027 +))) 1043 1043 1044 - =4.FAQ=1029 +**Software Type**: Always 0x03 for LLDS12 1045 1045 1046 -== 4.1 What is the frequency plan for LDDS75? == 1047 1047 1048 - LDDS75 use the same frequency as other Dragino products. User can see the detail from this link: [[Introduction>>doc:Main.End DeviceFrequency Band.WebHome||anchor="H1.Introduction"]]1032 +**Frequency Band**: 1049 1049 1034 +*0x01: EU868 1050 1050 1036 +*0x02: US915 1051 1051 1052 - ==4.2 How to change the LoRa Frequency Bands/Region ==1038 +*0x03: IN865 1053 1053 1054 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1055 -When downloading the images, choose the required image file for download. 1040 +*0x04: AU915 1056 1056 1042 +*0x05: KZ865 1057 1057 1044 +*0x06: RU864 1058 1058 1059 - == 4.3 Can I use LDDS75in condensation environment? ==1046 +*0x07: AS923 1060 1060 1061 - LDDS75is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.1048 +*0x08: AS923-1 1062 1062 1050 +*0x09: AS923-2 1063 1063 1052 +*0xa0: AS923-3 1064 1064 1065 -= 5. Trouble Shooting = 1066 1066 1067 - == 5.1 Why I can’t join TTN V3 in US915 / AU915bands?==1055 +**Sub-Band**: value 0x00 ~~ 0x08 1068 1068 1069 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1070 1070 1058 +**Firmware Version**: 0x0100, Means: v1.0.0 version 1071 1071 1072 -== 5.2 AT Command input doesn't work == 1073 1073 1061 +**Sensor Type**: 1062 + 1063 +0x01: LSE01 1064 + 1065 +0x02: LDDS75 1066 + 1067 +0x03: LDDS20 1068 + 1069 +0x04: LLMS01 1070 + 1071 +0x05: LSPH01 1072 + 1073 +0x06: LSNPK01 1074 + 1075 +0x07: LLDS12 1076 + 1077 + 1078 + 1079 += 5. Battery & How to replace = 1080 + 1081 +== 5.1 Battery Type == 1082 + 1083 +((( 1084 +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. 1085 +))) 1086 + 1087 +((( 1088 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1089 +))) 1090 + 1091 +[[image:1654593587246-335.png]] 1092 + 1093 + 1094 +Minimum Working Voltage for the LLDS12: 1095 + 1096 +LLDS12: 2.45v ~~ 3.6v 1097 + 1098 + 1099 + 1100 +== 5.2 Replace Battery == 1101 + 1102 +((( 1103 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1104 +))) 1105 + 1106 +((( 1107 +And make sure the positive and negative pins match. 1108 +))) 1109 + 1110 + 1111 + 1112 +== 5.3 Power Consumption Analyze == 1113 + 1114 +((( 1115 +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. 1116 +))) 1117 + 1118 +((( 1119 +Instruction to use as below: 1120 +))) 1121 + 1122 + 1123 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1124 + 1125 +[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]] 1126 + 1127 + 1128 +**Step 2**: Open it and choose 1129 + 1130 +* Product Model 1131 +* Uplink Interval 1132 +* Working Mode 1133 + 1134 +And the Life expectation in difference case will be shown on the right. 1135 + 1136 +[[image:1654593605679-189.png]] 1137 + 1138 + 1139 +The battery related documents as below: 1140 + 1141 +* ((( 1142 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1143 +))) 1144 +* ((( 1145 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1146 +))) 1147 +* ((( 1148 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]] 1149 +))) 1150 + 1151 +[[image:image-20220607172042-11.png]] 1152 + 1153 + 1154 + 1155 +=== 5.3.1 Battery Note === 1156 + 1157 +((( 1158 +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. 1159 +))) 1160 + 1161 + 1162 + 1163 +=== 5.3.2 Replace the battery === 1164 + 1165 +((( 1166 +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. 1167 +))) 1168 + 1169 +((( 1170 +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) 1171 +))) 1172 + 1173 + 1174 + 1175 += 6. Use AT Command = 1176 + 1177 +== 6.1 Access AT Commands == 1178 + 1179 +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. 1180 + 1181 +[[image:1654593668970-604.png]] 1182 + 1183 +**Connection:** 1184 + 1185 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1186 + 1187 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1188 + 1189 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1190 + 1191 + 1192 +((( 1193 +((( 1194 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1195 +))) 1196 + 1197 +((( 1198 +LLDS12 will output system info once power on as below: 1199 +))) 1200 +))) 1201 + 1202 + 1203 + [[image:1654593712276-618.png]] 1204 + 1205 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1206 + 1207 + 1208 += 7. FAQ = 1209 + 1210 +== 7.1 How to change the LoRa Frequency Bands/Region == 1211 + 1212 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1213 +When downloading the images, choose the required image file for download. 1214 + 1215 + 1216 += 8. Trouble Shooting = 1217 + 1218 +== 8.1 AT Commands input doesn’t work == 1219 + 1220 + 1221 +((( 1074 1074 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. 1223 +))) 1075 1075 1225 + 1226 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1227 + 1228 + 1076 1076 ((( 1230 +(% 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.) 1231 +))) 1232 + 1233 +((( 1234 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1235 +))) 1236 + 1237 +((( 1077 1077 1078 1078 ))) 1079 1079 1241 +((( 1242 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1243 +))) 1080 1080 1081 -= 6. Order Info = 1245 +((( 1246 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1247 +))) 1082 1082 1083 1083 1084 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1085 1085 1251 += 9. Order Info = 1086 1086 1087 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1088 1088 1089 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1090 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1091 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1092 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1093 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1094 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1095 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1096 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1254 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1097 1097 1098 -(% style="color:blue" %)**YY**(%%): Battery Option 1099 1099 1100 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1101 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1257 +(% style="color:blue" %)**XX**(%%): The default frequency band 1102 1102 1259 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1260 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1261 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1262 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1263 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1264 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1265 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1266 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1103 1103 1104 -= 7. Packing Info =1268 += 10. Packing Info = 1105 1105 1106 1106 1107 1107 **Package Includes**: 1108 1108 1109 -* LD DS75LoRaWAN DistanceDetectionSensor x 11273 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1110 1110 1111 1111 **Dimension and weight**: 1112 1112 ... ... @@ -1115,8 +1115,7 @@ 1115 1115 * Package Size / pcs : cm 1116 1116 * Weight / pcs : g 1117 1117 1282 += 11. Support = 1118 1118 1119 -= 8. Support = 1120 - 1121 1121 * 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. 1122 1122 * 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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