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Last modified by Xiaoling on 2025/04/27 13:54
From version 151.3
edited by Xiaoling
on 2022/06/11 09:30
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To version 159.5
edited by Xiaoling
on 2022/06/11 10:57
Change comment: There is no comment for this version

Summary

Details

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Title
... ... @@ -1,1 +1,1 @@
1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,9 +1,8 @@
1 1  (% style="text-align:center" %)
2 -[[image:1654846127817-788.png]]
2 +[[image:1654912614655-664.png||height="530" width="628"]]
3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -21,7 +21,7 @@
21 21  
22 22  (((
23 23  (((
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.
23 +The Dragino LDDS45 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 LDDS45 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 25  )))
26 26  
27 27  (((
... ... @@ -37,7 +37,7 @@
37 37  )))
38 38  
39 39  (((
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.
39 +The LoRa wireless technology used in LDDS45 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 41  )))
42 42  
43 43  (((
... ... @@ -45,7 +45,7 @@
45 45  )))
46 46  
47 47  (((
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*.
47 +LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49 49  )))
50 50  
51 51  (((
... ... @@ -53,7 +53,7 @@
53 53  )))
54 54  
55 55  (((
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.
55 +Each LDDS45 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 57  )))
58 58  
59 59  (((
... ... @@ -62,22 +62,24 @@
62 62  
63 63  (((
64 64  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
64 +
65 +
65 65  )))
66 66  )))
67 67  )))
68 68  
70 +[[image:1654912858581-740.png]]
69 69  
70 -[[image:1654847051249-359.png]]
71 71  
72 72  
73 -
74 74  == ​1.2  Features ==
75 75  
76 76  * LoRaWAN 1.0.3 Class A
77 -* Ultra low power consumption
77 +* Ultra-low power consumption
78 78  * Distance Detection by Ultrasonic technology
79 -* Flat object range 280mm - 7500mm
79 +* Flat object range 30mm - 4500mm
80 80  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
81 +* Measure Angle: 60°
81 81  * Cable Length : 25cm
82 82  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
83 83  * AT Commands to change parameters
... ... @@ -84,7 +84,7 @@
84 84  * Uplink on periodically
85 85  * Downlink to change configure
86 86  * IP66 Waterproof Enclosure
87 -* 4000mAh or 8500mAh Battery for long term use
88 +* 8500mAh Battery for long term use
88 88  
89 89  
90 90  
... ... @@ -96,8 +96,11 @@
96 96  
97 97  [[image:image-20220610154839-1.png]]
98 98  
100 +
99 99  (((
100 -**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)**
102 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
103 +
104 +**~ 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  
103 103  
... ... @@ -144,16 +144,16 @@
144 144  
145 145  
146 146  
147 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
151 += 2.  Configure LDDS45 to connect to LoRaWAN network =
148 148  
149 149  == 2.1  How it works ==
150 150  
151 151  (((
152 -The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
156 +The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
153 153  )))
154 154  
155 155  (((
156 -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="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
160 +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="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS45.
157 157  )))
158 158  
159 159  
... ... @@ -162,10 +162,15 @@
162 162  
163 163  (((
164 164  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
169 +
170 +
165 165  )))
166 166  
173 +[[image:1654913911773-521.png]]
174 +
175 +
167 167  (((
168 -[[image:1654848616367-242.png]]
177 +
169 169  )))
170 170  
171 171  (((
... ... @@ -173,11 +173,11 @@
173 173  )))
174 174  
175 175  (((
176 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
185 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
177 177  )))
178 178  
179 179  (((
180 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
189 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
181 181  )))
182 182  
183 183  [[image:image-20220607170145-1.jpeg]]
... ... @@ -204,7 +204,10 @@
204 204  
205 205  [[image:image-20220610161353-7.png]]
206 206  
216 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
207 207  
218 +
219 +
208 208  You can also choose to create the device manually.
209 209  
210 210   [[image:image-20220610161538-8.png]]
... ... @@ -217,16 +217,16 @@
217 217  
218 218  
219 219  
220 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
232 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
221 221  
222 222  
223 223  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
224 224  
225 -[[image:image-20220610161724-10.png]]
237 +[[image:image-20220611102908-2.png]]
226 226  
227 227  
228 228  (((
229 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
241 +(% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
230 230  )))
231 231  
232 232  [[image:1654849068701-275.png]]
... ... @@ -237,12 +237,9 @@
237 237  
238 238  (((
239 239  (((
240 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
241 -)))
252 +LDDS45 will uplink payload via LoRaWAN with below payload format: 
242 242  
243 -(((
244 -Uplink payload includes in total 4 bytes.
245 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
254 +Uplink payload includes in total 8 bytes.
246 246  )))
247 247  )))
248 248  
... ... @@ -269,7 +269,7 @@
269 269  === 2.3.1  Battery Info ===
270 270  
271 271  
272 -Check the battery voltage for LDDS75.
281 +Check the battery voltage for LDDS45.
273 273  
274 274  Ex1: 0x0B45 = 2885mV
275 275  
... ... @@ -280,20 +280,20 @@
280 280  === 2.3.2  Distance ===
281 281  
282 282  (((
283 -Get the distance. Flat object range 280mm - 7500mm.
292 +Get the distance. Flat object range 30mm - 4500mm.
284 284  )))
285 285  
286 286  (((
287 -For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
296 +For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
288 288  )))
289 289  
290 290  
291 291  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
292 -* 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.
301 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
293 293  
294 294  === 2.3.3  Interrupt Pin ===
295 295  
296 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
305 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
297 297  
298 298  **Example:**
299 299  
... ... @@ -313,10 +313,8 @@
313 313  
314 314  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
315 315  
316 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
317 317  
318 318  
319 -
320 320  === 2.3.5  Sensor Flag ===
321 321  
322 322  (((
... ... @@ -339,7 +339,7 @@
339 339  The payload decoder function for TTN V3 is here:
340 340  
341 341  (((
342 -LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
349 +LDDS45 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
343 343  )))
344 344  
345 345  
... ... @@ -346,7 +346,7 @@
346 346  
347 347  == 2.4  Uplink Interval ==
348 348  
349 -The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
356 +The LDDS45 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
350 350  
351 351  
352 352  
... ... @@ -377,7 +377,7 @@
377 377  
378 378  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
379 379  
380 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
387 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
381 381  
382 382  [[image:1654851029373-510.png]]
383 383  
... ... @@ -391,7 +391,7 @@
391 391  == 2.6  Frequency Plans ==
392 392  
393 393  (((
394 -The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
401 +The LDDS45 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
395 395  )))
396 396  
397 397  
... ... @@ -858,7 +858,7 @@
858 858  
859 859  == 2.7  LED Indicator ==
860 860  
861 -The LDDS75 has an internal LED which is to show the status of different state.
868 +The LDDS45 has an internal LED which is to show the status of different state.
862 862  
863 863  
864 864  * Blink once when device power on.
... ... @@ -870,7 +870,7 @@
870 870  
871 871  
872 872  (((
873 -**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
880 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/]]
874 874  )))
875 875  
876 876  (((
... ... @@ -886,20 +886,72 @@
886 886  == 2.9  Mechanical ==
887 887  
888 888  
889 -[[image:image-20220610172003-1.png]]
896 +[[image:1654915562090-396.png]]
890 890  
891 891  
892 -[[image:image-20220610172003-2.png]]
893 893  
894 894  
895 895  
896 -== 2.10  Battery Analysis ==
902 += 3. Battery & How to replace =
897 897  
898 -=== 2.10.1  Battery Type ===
904 +== 3.1 Battery Type ==
899 899  
900 -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.
906 +(((
907 +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.
908 +)))
901 901  
910 +(((
911 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
912 +)))
902 902  
914 +[[image:1654593587246-335.png]]
915 +
916 +
917 +Minimum Working Voltage for the LSPH01:
918 +
919 +LSPH01:  2.45v ~~ 3.6v
920 +
921 +
922 +
923 +== 3.2 Replace Battery ==
924 +
925 +(((
926 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
927 +)))
928 +
929 +(((
930 +And make sure the positive and negative pins match.
931 +)))
932 +
933 +
934 +
935 +== 3.3 Power Consumption Analyze ==
936 +
937 +(((
938 +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.
939 +)))
940 +
941 +(((
942 +Instruction to use as below:
943 +)))
944 +
945 +
946 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
947 +
948 +[[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/]]
949 +
950 +
951 +**Step 2**: Open it and choose
952 +
953 +* Product Model
954 +* Uplink Interval
955 +* Working Mode
956 +
957 +And the Life expectation in difference case will be shown on the right.
958 +
959 +[[image:1654593605679-189.png]]
960 +
961 +
903 903  The battery related documents as below:
904 904  
905 905  * (((
... ... @@ -912,28 +912,33 @@
912 912  [[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]]
913 913  )))
914 914  
915 - [[image:image-20220610172400-3.png]]
974 +[[image:image-20220607172042-11.png]]
916 916  
917 917  
918 918  
919 -=== 2.10.2  Replace the battery ===
978 +=== 3.3.1 ​Battery Note ===
920 920  
921 921  (((
922 -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.
981 +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.
923 923  )))
924 924  
984 +
985 +
986 +=== ​3.3.2 Replace the battery ===
987 +
925 925  (((
926 -
989 +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.
927 927  )))
928 928  
929 929  (((
930 -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)
993 +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)
931 931  )))
932 932  
933 933  
934 934  
935 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
936 936  
999 += 4.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
1000 +
937 937  (((
938 938  (((
939 939  Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
... ... @@ -1010,7 +1010,7 @@
1010 1010  
1011 1011  
1012 1012  
1013 -== 3.1  Access AT Commands ==
1077 +== 4.1  Access AT Commands ==
1014 1014  
1015 1015  LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1016 1016  
... ... @@ -1032,7 +1032,7 @@
1032 1032  
1033 1033  
1034 1034  
1035 -== 3.2  Set Transmit Interval Time ==
1099 +== 4.2  Set Transmit Interval Time ==
1036 1036  
1037 1037  Feature: Change LoRaWAN End Node Transmit Interval.
1038 1038  
... ... @@ -1056,13 +1056,14 @@
1056 1056  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1057 1057  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1058 1058  )))
1123 +)))
1059 1059  
1060 1060  
1061 -
1062 -)))
1063 1063  
1064 -== 3.3  Set Interrupt Mode ==
1065 1065  
1128 +
1129 +== 4.3  Set Interrupt Mode ==
1130 +
1066 1066  Feature, Set Interrupt mode for GPIO_EXIT.
1067 1067  
1068 1068  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -1081,16 +1081,15 @@
1081 1081  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1082 1082  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1083 1083  
1149 += 5.  FAQ =
1084 1084  
1085 -= 4.  FAQ =
1151 +== 5.1  What is the frequency plan for LDDS75? ==
1086 1086  
1087 -== 4.1  What is the frequency plan for LDDS75? ==
1088 -
1089 1089  LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1090 1090  
1091 1091  
1092 1092  
1093 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1157 +== 5.2  How to change the LoRa Frequency Bands/Region ==
1094 1094  
1095 1095  You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1096 1096  When downloading the images, choose the required image file for download. ​
... ... @@ -1097,20 +1097,20 @@
1097 1097  
1098 1098  
1099 1099  
1100 -== 4.3  Can I use LDDS75 in condensation environment? ==
1164 +== 5.3  Can I use LDDS75 in condensation environment? ==
1101 1101  
1102 1102  LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1103 1103  
1104 1104  
1105 1105  
1106 -= 5.  Trouble Shooting =
1170 += 6.  Trouble Shooting =
1107 1107  
1108 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1172 +== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1109 1109  
1110 1110  It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1111 1111  
1112 1112  
1113 -== 5.2  AT Command input doesn't work ==
1177 +== 6.2  AT Command input doesn't work ==
1114 1114  
1115 1115  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.
1116 1116  
... ... @@ -1119,7 +1119,7 @@
1119 1119  )))
1120 1120  
1121 1121  
1122 -= 6.  Order Info =
1186 += 7.  Order Info =
1123 1123  
1124 1124  
1125 1125  Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
... ... @@ -1141,10 +1141,9 @@
1141 1141  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1142 1142  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1143 1143  
1208 += 8. ​ Packing Info =
1144 1144  
1145 -= 7. ​ Packing Info =
1146 1146  
1147 -
1148 1148  **Package Includes**:
1149 1149  
1150 1150  * LDDS75 LoRaWAN Distance Detection Sensor x 1
... ... @@ -1156,8 +1156,7 @@
1156 1156  * Package Size / pcs : cm
1157 1157  * Weight / pcs : g
1158 1158  
1222 += 9.  ​Support =
1159 1159  
1160 -= 8.  ​Support =
1161 -
1162 1162  * 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.
1163 1163  * 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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