Last modified by Mengting Qiu on 2023/12/14 11:15

From version 70.26
edited by Xiaoling
on 2023/06/13 09:13
Change comment: There is no comment for this version
To version 71.4
edited by Xiaoling
on 2023/06/13 10:23
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -DDS75-LB -- LoRaWAN Distance Detection Sensor User Manual
1 +DDS45-LB -- LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,9 +1,8 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20230612170349-1.png||height="656" width="656"]]
2 +[[image:image-20230613100900-1.png||height="683" width="683"]]
3 3  
4 4  
5 5  
6 -
7 7  **Table of Contents:**
8 8  
9 9  {{toc/}}
... ... @@ -18,17 +18,17 @@
18 18  == 1.1 What is LoRaWAN Distance Detection Sensor ==
19 19  
20 20  
21 -The Dragino DDS75-LB is a (% style="color:blue" %)** 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:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS75-LB 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.
20 +The Dragino DDS45-LB is a (% style="color:blue" %)** 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:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-LB 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.
22 22  
23 23  It detects the distance(% style="color:blue" %)**  between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
24 24  
25 -The LoRa wireless technology used in DDS75-LB 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.
24 +The LoRa wireless technology used in DDS45-LB 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.
26 26  
27 -DDS75-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
26 +DDS45-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
28 28  
29 -DDS75-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
28 +DDS45-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
30 30  
31 -Each DDS75-LB 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.
30 +Each DDS45-LB 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.
32 32  
33 33  [[image:image-20230612170943-2.png||height="525" width="912"]]
34 34  
... ... @@ -50,11 +50,39 @@
50 50  * IP66 Waterproof Enclosure
51 51  * 8500mAh Battery for long term use
52 52  
52 +
53 53  == 1.3 Specification ==
54 54  
55 55  
56 -(% style="color:#037691" %)**Rated environmental conditions:**
56 +(% style="color:#037691" %)**Common DC Characteristics:**
57 57  
58 +* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
59 +* Operating Temperature: -40 ~~ 85°C
60 +
61 +(% style="color:#037691" %)**LoRa Spec:**
62 +
63 +* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
64 +* Max +22 dBm constant RF output vs.
65 +* RX sensitivity: down to -139 dBm.
66 +* Excellent blocking immunity
67 +
68 +(% style="color:#037691" %)**Battery:**
69 +
70 +* Li/SOCI2 un-chargeable battery
71 +* Capacity: 8500mAh
72 +* Self-Discharge: <1% / Year @ 25°C
73 +* Max continuously current: 130mA
74 +* Max boost current: 2A, 1 second
75 +
76 +(% style="color:#037691" %)**Power Consumption**
77 +
78 +* Sleep Mode: 5uA @ 3.3v
79 +* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 +
81 +
82 +== 1.4 Rated environmental conditions ==
83 +
84 +
58 58  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
59 59  |(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)(((
60 60  **Minimum value**
... ... @@ -80,34 +80,9 @@
80 80  
81 81  )))
82 82  
83 -(% style="color:#037691" %)**Common DC Characteristics:**
110 +== 1.5 Effective measurement range Reference beam pattern ==
84 84  
85 -* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
86 -* Operating Temperature: -40 ~~ 85°C
87 87  
88 -(% style="color:#037691" %)**LoRa Spec:**
89 -
90 -* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
91 -* Max +22 dBm constant RF output vs.
92 -* RX sensitivity: down to -139 dBm.
93 -* Excellent blocking immunity
94 -
95 -(% style="color:#037691" %)**Battery:**
96 -
97 -* Li/SOCI2 un-chargeable battery
98 -* Capacity: 8500mAh
99 -* Self-Discharge: <1% / Year @ 25°C
100 -* Max continuously current: 130mA
101 -* Max boost current: 2A, 1 second
102 -
103 -(% style="color:#037691" %)**Power Consumption**
104 -
105 -* Sleep Mode: 5uA @ 3.3v
106 -* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
107 -
108 -== 1.4 Effective measurement range Reference beam pattern ==
109 -
110 -
111 111  (% style="color:blue" %)**1. The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
112 112  
113 113  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]]
... ... @@ -118,7 +118,7 @@
118 118  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]]
119 119  
120 120  
121 -== 1.5 Applications ==
123 +== 1.6 Applications ==
122 122  
123 123  
124 124  * Horizontal distance measurement
... ... @@ -131,15 +131,16 @@
131 131  * Sewer
132 132  * Bottom water level monitoring
133 133  
134 -== 1.6 Sleep mode and working mode ==
135 135  
137 +== 1.7 Sleep mode and working mode ==
136 136  
139 +
137 137  (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
138 138  
139 139  (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
140 140  
141 141  
142 -== 1.7 Button & LEDs ==
145 +== 1.8 Button & LEDs ==
143 143  
144 144  
145 145  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -158,12 +158,13 @@
158 158  )))
159 159  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
160 160  
161 -== 1.8 BLE connection ==
162 162  
165 +== 1.9 BLE connection ==
163 163  
164 -DDS75-LB support BLE remote configure.
165 165  
168 +DDS45-LB support BLE remote configure.
166 166  
170 +
167 167  BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
168 168  
169 169  * Press button to send an uplink
... ... @@ -173,16 +173,14 @@
173 173  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
174 174  
175 175  
176 -== 1.9 Pin Definitions ==
180 +== 1.10 Pin Definitions ==
177 177  
178 178  [[image:image-20230523174230-1.png]]
179 179  
180 180  
185 +== 1.11 Mechanical ==
181 181  
182 182  
183 -== 2.10 Mechanical ==
184 -
185 -
186 186  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
187 187  
188 188  
... ... @@ -204,12 +204,12 @@
204 204  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
205 205  
206 206  
207 -= 2. Configure DDS75-LB to connect to LoRaWAN network =
209 += 2. Configure DDS45-LB to connect to LoRaWAN network =
208 208  
209 209  == 2.1 How it works ==
210 210  
211 211  
212 -The DDS75-LB is configured as (% style="color:#037691" %)**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 press the button to activate the DDS75-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
214 +The DDS45-LB is configured as (% style="color:#037691" %)**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 press the button to activate the DDS45-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
213 213  
214 214  (% style="display:none" %) (%%)
215 215  
... ... @@ -223,9 +223,9 @@
223 223  [[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %)
224 224  
225 225  
226 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS75-LB.
228 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB.
227 227  
228 -Each DDS75-LB is shipped with a sticker with the default device EUI as below:
230 +Each DDS45-LB is shipped with a sticker with the default device EUI as below:
229 229  
230 230  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
231 231  
... ... @@ -254,10 +254,10 @@
254 254  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
255 255  
256 256  
257 -(% style="color:blue" %)**Step 2:**(%%) Activate on DDS75-LB
259 +(% style="color:blue" %)**Step 2:**(%%) Activate on DDS45-LB
258 258  
259 259  
260 -Press the button for 5 seconds to activate the DDS75-LB.
262 +Press the button for 5 seconds to activate the DDS45-LB.
261 261  
262 262  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
263 263  
... ... @@ -268,7 +268,7 @@
268 268  
269 269  
270 270  (((
271 -DDS75-LB will uplink payload via LoRaWAN with below payload format: 
273 +DDS45-LB will uplink payload via LoRaWAN with below payload format: 
272 272  )))
273 273  
274 274  (((
... ... @@ -292,7 +292,7 @@
292 292  === 2.3.1  Battery Info ===
293 293  
294 294  
295 -Check the battery voltage for DDS75-LB.
297 +Check the battery voltage for DDS45-LB.
296 296  
297 297  Ex1: 0x0B45 = 2885mV
298 298  
... ... @@ -363,7 +363,7 @@
363 363  The payload decoder function for TTN V3 is here:
364 364  
365 365  (((
366 -DDS75-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
368 +DDS45-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
367 367  )))
368 368  
369 369  
... ... @@ -370,7 +370,7 @@
370 370  == 2.4  Uplink Interval ==
371 371  
372 372  
373 -The DDS75-LB 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>>||anchor="H3.3.1SetTransmitIntervalTime"]]
375 +The DDS45-LB 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>>||anchor="H3.3.1SetTransmitIntervalTime"]]
374 374  
375 375  
376 376  == 2.5  ​Show Data in DataCake IoT Server ==
... ... @@ -398,7 +398,7 @@
398 398  
399 399  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
400 400  
401 -(% style="color:blue" %)**Step 4**(%%)**: Search the DDS75-LB and add DevEUI.**
403 +(% style="color:blue" %)**Step 4**(%%)**: Search the DDS45-LB and add DevEUI.**
402 402  
403 403  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
404 404  
... ... @@ -412,19 +412,19 @@
412 412  == 2.6 Datalog Feature ==
413 413  
414 414  
415 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS75-LB will store the reading for future retrieving purposes.
417 +Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS45-LB will store the reading for future retrieving purposes.
416 416  
417 417  
418 418  === 2.6.1 Ways to get datalog via LoRaWAN ===
419 419  
420 420  
421 -Set PNACKMD=1, DDS75-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS75-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
423 +Set PNACKMD=1, DDS45-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS45-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
422 422  
423 423  * (((
424 -a) DDS75-LB will do an ACK check for data records sending to make sure every data arrive server.
426 +a) DDS45-LB will do an ACK check for data records sending to make sure every data arrive server.
425 425  )))
426 426  * (((
427 -b) DDS75-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS75-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS75-LB gets a ACK, DDS75-LB will consider there is a network connection and resend all NONE-ACK messages.
429 +b) DDS45-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS45-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS45-LB gets a ACK, DDS45-LB will consider there is a network connection and resend all NONE-ACK messages.
428 428  )))
429 429  
430 430  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
... ... @@ -435,7 +435,7 @@
435 435  === 2.6.2 Unix TimeStamp ===
436 436  
437 437  
438 -DDS75-LB uses Unix TimeStamp format based on
440 +DDS45-LB uses Unix TimeStamp format based on
439 439  
440 440  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
441 441  
... ... @@ -454,7 +454,7 @@
454 454  
455 455  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
456 456  
457 -Once DDS75-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS75-LB. If DDS75-LB fails to get the time from the server, DDS75-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
459 +Once DDS45-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS45-LB. If DDS45-LB fails to get the time from the server, DDS45-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
458 458  
459 459  (% style="color:red" %)**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.**
460 460  
... ... @@ -482,7 +482,7 @@
482 482  )))
483 483  
484 484  (((
485 -Uplink Internal =5s,means DDS75-LB will send one packet every 5s. range 5~~255s.
487 +Uplink Internal =5s,means DDS45-LB will send one packet every 5s. range 5~~255s.
486 486  )))
487 487  
488 488  
... ... @@ -489,17 +489,17 @@
489 489  == 2.7 Frequency Plans ==
490 490  
491 491  
492 -The DDS75-LB 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.
494 +The DDS45-LB 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.
493 493  
494 494  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
495 495  
496 496  
497 -= 3. Configure DDS75-LB =
499 += 3. Configure DDS45-LB =
498 498  
499 499  == 3.1 Configure Methods ==
500 500  
501 501  
502 -DDS75-LB supports below configure method:
504 +DDS45-LB supports below configure method:
503 503  
504 504  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
505 505  
... ... @@ -507,6 +507,7 @@
507 507  
508 508  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
509 509  
512 +
510 510  == 3.2 General Commands ==
511 511  
512 512  
... ... @@ -521,10 +521,10 @@
521 521  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
522 522  
523 523  
524 -== 3.3 Commands special design for DDS75-LB ==
527 +== 3.3 Commands special design for DDS45-LB ==
525 525  
526 526  
527 -These commands only valid for DDS75-LB, as below:
530 +These commands only valid for DDS45-LB, as below:
528 528  
529 529  
530 530  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -567,6 +567,9 @@
567 567  )))
568 568  * (((
569 569  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
573 +
574 +
575 +
570 570  )))
571 571  
572 572  === 3.3.2 Set Interrupt Mode ===
... ... @@ -603,10 +603,11 @@
603 603  
604 604  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
605 605  
612 +
606 606  = 4. Battery & Power Consumption =
607 607  
608 608  
609 -DDS75-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
616 +DDS45-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
610 610  
611 611  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
612 612  
... ... @@ -615,7 +615,7 @@
615 615  
616 616  
617 617  (% class="wikigeneratedid" %)
618 -User can change firmware DDS75-LB to:
625 +User can change firmware DDS45-LB to:
619 619  
620 620  * Change Frequency band/ region.
621 621  
... ... @@ -631,21 +631,21 @@
631 631  
632 632  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
633 633  
641 +
634 634  = 6. FAQ =
635 635  
644 +== 6.1  What is the frequency plan for DDS45-LB? ==
636 636  
637 -== 6.1  What is the frequency plan for DDS75-LB? ==
638 638  
647 +DDS45-LB 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"]]
639 639  
640 -DDS75-LB 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"]]
641 641  
650 +== 6.2  Can I use DDS45-LB in condensation environment? ==
642 642  
643 -== 6.2  Can I use DDS75-LB in condensation environment? ==
644 644  
653 +DDS45-LB is not suitable to be used in condensation environment. Condensation on the DDS45-LB probe will affect the reading and always got 0.
645 645  
646 -DDS75-LB is not suitable to be used in condensation environment. Condensation on the DDS75-LB probe will affect the reading and always got 0.
647 647  
648 -
649 649  = 7.  Trouble Shooting =
650 650  
651 651  == 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
... ... @@ -694,7 +694,7 @@
694 694  = 8. Order Info =
695 695  
696 696  
697 -Part Number: (% style="color:blue" %)**DDS75-LB-XXX**
704 +Part Number: (% style="color:blue" %)**DDS45-LB-XXX**
698 698  
699 699  (% style="color:red" %)**XXX**(%%): **The default frequency band**
700 700  
... ... @@ -720,7 +720,7 @@
720 720  
721 721  (% style="color:#037691" %)**Package Includes**:
722 722  
723 -* DDS75-LB LoRaWAN Distance Detection Sensor x 1
730 +* DDS45-LB LoRaWAN Distance Detection Sensor x 1
724 724  
725 725  (% style="color:#037691" %)**Dimension and weight**:
726 726  
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