Version 224.11 by Xiaoling on 2023/04/04 14:48
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1 (% style="text-align:center" %)
2 [[image:image-20220615144725-2.jpeg]]
3
4 **Table of Contents:**
5
6 {{toc/}}
7
8
9
10
11
12
13
14 = 1.  Introduction =
15
16 == 1.1 ​ What is LMDS200 Microwave Radar DistanceSensor ==
17
18
19 (((
20 The Dragino LMDS200 is a (% style="color:#4472c4" %)**LoRaWAN Microwave Radar distance sensor**(%%). It uses (% style="color:#4472c4" %)**24Ghz Microwave**(%%) to detect the distance between sensor and different objects. Compare vs ultrasonic or Lidar measurement method, Microwave Radar is (% style="color:#4472c4" %)**more reliable for condensation / dusty environment**(%%). It can sense correct distance even there is water or thick dust on top of the sensor.
21 )))
22
23 (((
24 The LMDS200 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.
25 )))
26
27 (((
28 LMDS200 can (% style="color:#4472c4" %)**measure two distances**(%%): the closest object and next object behind the closest one.
29 )))
30
31 (((
32 LMDS200 supports (% style="color:#4472c4" %)**Alarm Feature**(%%), user can set the LMDS200 to uplink data in a short interval when the distance is out of configured range.
33 )))
34
35 (((
36 The LoRa wireless technology used in LMDS200 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.
37 )))
38
39 (((
40 LMDS200 is powered by 8500mAh Li-SOCI2 battery, it is designed for long term use up to 5 years.
41 )))
42
43 (((
44 Each LMDS200 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.
45 )))
46
47 (((
48 *Battery life depends on how often to send data, please see [[battery analyzer>>||anchor="H4.A0Battery26howtoreplace"]].
49 )))
50
51
52
53 [[image:1655277036890-950.png]]
54
55
56 == ​1.2  Features ==
57
58
59 * LoRaWAN 1.0.3 Class A
60 * Ultra-low power consumption
61 * Microwave Radar for distance detection
62 * Short uplink interval for Distance Alarm
63 * Monitor Battery Level
64 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
65 * AT Commands to change parameters
66 * Uplink on periodically
67 * Downlink to change configure
68 * 8500mAh Battery for long term use
69 * Wall Mountable
70 * Outdoor Use
71
72 == 1.3  Radar probe specification ==
73
74
75 * Measuring Method: FMCW
76 * Frequency: 24.000 ~~ 24.500 GHz
77 * Measurement output power: 6dBm
78 * Measure range: 0.5 ~~ 20m
79 * Accuracy: ±0.1m
80 * Resolution: 0.01m
81 * Horizontal Angel: 78°
82 * Vertical Angel: 23°
83
84 == 1.4  Storage & Operation Temperature ==
85
86
87 -20°C to +85°C
88
89
90 == 1.5 ​ Applications ==
91
92
93 * Horizontal distance measurement
94 * Liquid level measurement
95 * Parking management system
96 * Object proximity and presence detection
97 * Intelligent trash can management system
98 * Robot obstacle avoidance
99 * Automatic control
100 * Sewer
101 * Bottom water level monitoring
102
103 == 1.6  Installation ==
104
105
106 Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
107
108
109 [[image:image-20220615152454-3.png]]
110
111
112 [[image:image-20220615152454-4.png||height="398" width="731"]]
113
114 (% style="display:none" %) (%%)
115
116 == 1.7  Pin mapping and power on ==
117
118
119 [[image:1655257026882-201.png]]
120
121 (% style="display:none" %) (%%)
122
123 = 2.  Operation Mode =
124
125 == 2.1  How it works ==
126
127
128 (((
129 Each LMDS200 is shipped with a worldwide unique set of OTAA keys. To use LMDS200 in a LoRaWAN network, user needs to input the OTAA keys in the LoRaWAN network server. So LMDS200 can join the LoRaWAN network and start to transmit sensor data.
130 )))
131
132
133 == 2.2  ​Example to use for LoRaWAN network ==
134
135
136 (((
137 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 [[DLOS8>>https://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] as a LoRaWAN gateway in this example.
138 )))
139
140 (((
141 [[image:1655278047781-517.png]]
142
143 * In this user case, the LMDS200 is installed on top of river to detect the water level and send the level info to the LoRaWAN server. The LMDS200 will uplink different types of messages to the LoRaWAN server. See [[Uplink payload>>path:#Uplink_Payload]] for detail.
144 )))
145
146 (((
147 Assume the LoRaWAN Gateway DLOS8 is already set to connect to the [[TTN V3 network >>url:https://eu1.cloud.thethings.network]]. We need to add the LMDS200 device in TTN V3:
148 )))
149
150 (((
151 (((
152
153 )))
154
155 (((
156 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LMDS200.
157 )))
158 )))
159
160 (((
161 (((
162 Each LMDS200 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
163
164 [[image:1655278302970-688.png]]
165
166
167
168 )))
169 )))
170
171 Users can enter these keys in the LoRaWAN Server portal. Below is the TTN V3 screenshot:
172
173 __**Add APP EUI**__ in the application.
174
175
176 [[image:image-20220610161353-4.png]]
177
178 [[image:image-20220610161353-5.png]]
179
180 [[image:image-20220610161353-6.png]]
181
182
183 [[image:image-20220610161353-7.png]]
184
185
186
187 You can also choose to create the device manually.
188
189 [[image:image-20220610161538-8.png]]
190
191
192
193 **Add APP KEY and DEV EUI**
194
195 [[image:1655278497961-944.png]]
196
197
198
199 (% style="color:blue" %)**Step 2**(%%):  Power on LMDS200
200
201
202 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
203
204 [[image:1655278589727-228.png]]
205
206 (((
207 Put the jumper to power on LMDS200 and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and the user can see it in the panel.
208 )))
209
210
211 == 2.3  ​Uplink Payload ==
212
213
214 Uplink payloads have two types:
215
216 * Distance Value: Use FPORT=2
217 * Other control commands: Use other FPORT fields.
218
219 The application server should parse the correct value based on FPORT settings.
220
221 (((
222 (((
223 (((
224
225 )))
226 )))
227 )))
228
229 === 2.3.1  Device Status, FPORT~=5 ===
230
231
232 (((
233 Include device configure status. Once LMDS200 Joined the network, it will uplink this message to the server.
234 )))
235
236 (((
237 Users can also use the downlink command (0x26 01) to ask LMDS200 to resend Device Status.
238 )))
239
240 [[image:image-20220615154327-2.png]]
241
242
243 [[image:image-20220615154022-1.png]](% style="display:none" %)
244
245
246 * (% style="color:#037691" %)**Sensor Model**(%%)**:** For LMDS200, this value is 0x0C
247
248 * (% style="color:#037691" %)**Firmware Version**(%%)**:** 0x0100, Means: v1.0.0 version
249
250 * (% style="color:#037691" %)**Frequency Band**(%%)**:**
251
252 *0x01: EU868
253
254 *0x02: US915
255
256 *0x03: IN865
257
258 *0x04: AU915
259
260 *0x05: KZ865
261
262 *0x06: RU864
263
264 *0x07: AS923
265
266 *0x08: AS923-1
267
268 *0x09: AS923-2
269
270 *0x0a: AS923-3
271
272 *0x0b: CN470
273
274 *0x0c: EU433
275
276 *0x0d: KR920
277
278 *0x0e: MA869
279
280
281 * (% style="color:#037691" %)**Sub-Band**(%%)**:**
282 ** AU915 and US915:value 0x00 ~~ 0x08
283 ** CN470: value 0x0B ~~ 0x0C
284 ** Other Bands: Always 0x00
285
286 * (% style="color:#037691" %)**Battery Info:**
287
288 Check the battery voltage.
289
290 Ex1: 0x0B45 = 2885mV
291
292 Ex2: 0x0B49 = 2889mV
293
294
295 === 2.3.2  Sensor Configuration, FPORT~=4 ===
296
297
298 (((
299 LMDS200 will only send this command after getting the downlink command (0x26 02) from the server.
300
301 (% border="1" cellspacing="4" style="background-color:#ffffcc; width:413px" %)
302 |=(% colspan="5" style="width: 410px;" %)**Sensor Configuration FPORT=4**
303 |**Size(bytes)**|(% style="width:84px" %)**3**|(% style="width:73px" %)**1**|(% style="width:74px" %)**4**|(% style="width:76px" %)**1**
304 |**Value**|(% style="width:84px" %)(((
305 [[TDC (unit:sec)>>||anchor="H3.1A0SetTransmitIntervalTime280x0129"]]
306 )))|(% style="width:73px" %)(((
307 [[ATDC (unit:min)>>||anchor="H3.2SetAlarmTransmitIntervalTime280x0D29"]]
308 )))|(% style="width:74px" %)[[Alarm Settings>>||anchor="H3.3SetAlarmDistance280xA229"]]|(% style="width:76px" %)[[Interrupt Settings>>||anchor="H3.5A0SetInterruptMode280x0629"]]
309 )))
310
311 [[image:1655279779620-413.png]]
312
313
314 === 2.3.3  Distance, Uplink FPORT~=2 ===
315
316
317 LMDS200 will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LMDS200 will:
318
319 1. periodically send this uplink every 1 hour (TDC time), this interval [[can be changed>>||anchor="H3.1A0SetTransmitIntervalTime280x0129"]].
320 1. periodically send this uplink every 1 minute in Alarm Mode.
321 1. send this uplink while there is [[interrupt event>>||anchor="H3.5A0SetInterruptMode280x0629"]].
322
323 Uplink Payload totals 11 bytes.
324
325
326 (% border="1" cellspacing="4" style="background-color:#ffffcc; width:370px" %)
327 |=(% colspan="5" style="width: 367px;" %)**Distance Value, FPORT=2**
328 |(% style="width:72px" %)**Size(bytes)**|(% style="width:43px" %)**2**|(% style="width:76px" %)**2**|(% style="width:76px" %)**2**|(% style="width:75px" %)**1**
329 |(% style="width:72px" %)**Value**|(% style="width:43px" %)[[BAT>>||anchor="H2.3.1A0DeviceStatus2CFPORT3D5"]]|(% style="width:76px" %)Object1 Distance|(% style="width:76px" %)Object2 Distance|(% style="width:75px" %)Status & [[Alarm>>||anchor="H3.3SetAlarmDistance280xA229"]]
330
331 [[image:image-20220615161345-5.png]]
332
333
334 [[image:image-20220615160828-3.png]]
335
336
337 (((
338 (% style="color:#037691" %)** Object1 Distance:**
339 )))
340
341 (((
342 Distance between sensor probe to the first object. (unit: cm)
343 )))
344
345 (((
346 For example, if the data you get from the register is __0x00 0x73__, the distance between the sensor and the measured object is(% style="color:#037691" %)** 0073(H) = 115 (D) = 115 cm.**
347 )))
348
349
350 (((
351 (% style="color:red" %)**Notice: There are two special values for object 1 distance:**
352 )))
353
354 * (((
355 **0x0001**: Probe not detected
356 )))
357 * (((
358 **0x0002**: Reading Invalid (exceed the valid range of the probe)
359 )))
360
361 (((
362
363 )))
364
365 (((
366 (% style="color:#037691" %)**Object2 Distance:**
367 )))
368
369 (((
370 Distance between sensor probe to the second object. (unit: cm)
371 )))
372
373 (((
374 DALARM Counter : Alarm Counter.
375 )))
376
377 (((
378
379 )))
380
381 [[image:image-20220615160828-4.png]]
382
383
384 === 2.3.4  Decoder in TTN V3 ===
385
386
387 [[image:1655261164557-670.png]]
388
389 (((
390 (((
391 Please check the decoder from this link: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
392
393
394 )))
395 )))
396
397 == 2.4  ​Show data on Datacake ==
398
399
400 (((
401 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:
402
403
404 )))
405
406 (((
407 (% style="color:blue" %)**Step 1**(%%)**: **Link TTNv3 to [[DATACAKE>>url:https://datacake.co/]]
408 )))
409
410 (((
411 (% style="color:blue" %)**Step 2**(%%)**: **Configure LMDS200 in Datacake
412 )))
413
414
415 [[image:image-20220615163646-6.png]]
416
417
418 [[image:image-20220615163646-7.png]]
419
420
421 [[image:image-20220615163646-8.png]]
422
423
424 [[image:image-20220615163646-9.png||height="392" width="1211"]]
425
426
427 [[image:image-20220615163646-10.png]]
428
429 (% style="display:none" %) (%%)
430
431 [[image:image-20220615163646-11.png||height="434" width="1206"]](% style="display:none" %)
432
433
434 [[image:image-20220615163646-12.png||height="357" width="1202"]](% style="display:none" %)
435
436 (% style="display:none" %) (%%)
437
438 [[image:image-20220615163646-13.png]](% style="display:none" %)
439
440
441 [[image:image-20220615163646-14.png]]
442
443
444 [[image:image-20220615163646-15.png]](% style="display:none" %)
445
446
447 = 3.  Configure LMDS200 via AT Command or LoRaWAN Downlink =
448
449
450 (((
451 (((
452 Use can configure LMDS200 via AT Command or LoRaWAN Downlink.
453 )))
454 )))
455
456 * (((
457 (((
458 AT Command Connection: See [[FAQ>>||anchor="H5.A0FAQ"]].
459 )))
460 )))
461 * (((
462 (((
463 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
464 )))
465 )))
466
467 (((
468 (((
469
470 )))
471
472 (((
473 There are two kinds of commands to configure LMDS200, they are:
474 )))
475 )))
476
477 * (((
478 (((
479 (% style="color:#4f81bd" %)** General Commands**.
480 )))
481 )))
482
483 (((
484 (((
485 These commands are to configure:
486 )))
487 )))
488
489 * (((
490 (((
491 General system settings like: uplink interval.
492 )))
493 )))
494 * (((
495 (((
496 LoRaWAN protocol & radio related command.
497 )))
498 )))
499
500 (((
501 (((
502 They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack**(Note~*~*)**. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
503 )))
504 )))
505
506 (((
507 (((
508
509 )))
510 )))
511
512 * (((
513 (((
514 (% style="color:#4f81bd" %)** Commands special design for LMDS200**
515 )))
516 )))
517
518 (((
519 (((
520 These commands only valid for LMDS200, as below:
521 )))
522 )))
523
524
525 == 3.1  Set Transmit Interval Time(0x01) ==
526
527
528 Feature: Change LoRaWAN End Node Transmit Interval.
529
530 (% style="color:#037691" %)**AT Command: AT+TDC**
531
532 (% aria-label="image-20220610173409-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610173409-7.png||data-widget="image"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
533
534
535 (((
536 (% style="color:#037691" %)**Downlink Command: 0x01**
537 )))
538
539 (((
540 (((
541 Format: Command Code (0x01) followed by 3 bytes time value.
542
543 (((
544 If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
545 )))
546
547 * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
548 * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
549 )))
550 )))
551
552
553
554 == 3.2 Set Alarm Transmit Interval Time(0x0D) ==
555
556
557 Feature: Change LoRaWAN End Node Alarm Transmit Interval. Default Value: 1 minute
558
559 (% style="color:#037691" %)**AT Command: AT+ATDC**
560
561 [[image:image-20220615175212-2.png]]
562
563
564 (% style="color:#037691" %)**Downlink Command: 0x0D**
565
566 Format: Command Code (0x0D) followed by 1 byte for time value.
567
568 If the downlink payload=0D02, it means set the END Node's Alarm Transmit Interval to 2 minutes, while type code is 0D.
569
570
571 == 3.3 Set Alarm Distance (0xA2) ==
572
573
574 LMDS02 supports Alarm Feature, when LMDS02 detect the distance exceed the alarm settings, LMDS02 will Enter Alarm Mode and use the [[ATDC interval>>path:#Alarm_Interval]] (default is 1 minute) to uplink Distance value. Alarm mode will last for 60 uplinks (default 1 hour) and can be close by downlink command 0xA300.
575
576 (% style="color:red" %)**Note: Alarm mode only valid for the Distance 1(the Closest Object)**
577
578
579 User can set Alarm Distance to enable/disable Alarm Mode.
580
581 (% style="color:#037691" %)**AT+ALARMC=AABBCCDD**
582
583 * AABB: Hex value for Alarm low threshold, CCDD: Hex value for Alarm high threshold
584 * When 0xAABB=0, and 0xCCDD≠0, Alarm trigger when higher than max
585 * When 0xAABB≠0, and 0xCCDD =0xFFFF, Alarm trigger when lower than min
586 * When 0xAABB≠0 and 0xCCDD≠0, Alarm trigger when higher than max or lower than min
587
588 **Example:**
589
590 AT+ALARMC=006400C8   ~/~/ Alarm when < 100 or higher than 200.
591
592
593 * (% style="color:#037691" %)**Downlink Payload:**
594
595 0x(A2 00 01 00 00)  ~/~/ Same as AT+ALARMC=00010000
596
597
598 == 3.4 Enter/Exit Alarm Mode (0xA3) ==
599
600
601 Feature: Enter/Exit Alarm mode:
602
603 (% style="color:#037691" %)**AT Command: AT+ALARM=0(Exit Alarm Mode or AT+ALARM=1 (Enter Alarm Mode)**
604
605
606 (% style="color:#037691" %)**Downlink Command:**
607
608 0xA3 00  ~/~/ Exit Alarm Mode. 
609
610 0xA3 01  ~/~/ Enter Alarm Mode. Enter Alarm mode will use ATDC interval in the next 59 uplinks.
611
612
613 == 3.5  Set Interrupt Mode(0x06) ==
614
615
616 (((
617 Feature, Set Interrupt mode for GPIO_EXIT.
618 )))
619
620 (((
621 (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
622 )))
623
624 [[image:image-20220610174917-9.png]]
625
626
627 (((
628 (((
629 (% style="color:#037691" %)**Downlink Command: 0x06**
630 )))
631 )))
632
633 (((
634 (((
635 Format: Command Code (0x06) followed by 3 bytes.
636 )))
637 )))
638
639 (((
640 (((
641 (((
642 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
643 )))
644 )))
645 )))
646
647 * (((
648 (((
649 Example 1: Downlink Payload: 06000000  ~/~/ Turn off interrupt mode
650 )))
651 )))
652 * (((
653 (((
654 Example 2: Downlink Payload: 06000003  ~/~/ Set the interrupt mode to rising edge trigger
655 )))
656 )))
657
658 (((
659
660
661
662 = 4. Battery & Power Consumption =
663
664
665 LMDS200 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
666
667 [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
668
669
670 = 5.  FAQ =
671
672 == 5.1  How to use AT Command to configure LMDS200 ==
673
674
675 LMDS200 UART connection photo
676
677
678 [[image:image-20220615180555-3.png||height="541" width="863"]]
679
680
681 LMDS200 supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LMDS200 to use AT command, as below.
682
683 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/1654135840598-282.png?rev=1.1||alt="1654135840598-282.png"]]
684
685
686 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LMDS200. LMDS200 will output system info once power on as below:
687
688 [[image:image-20220615180555-4.png]]
689
690
691 == 5.2  How to upgrade the firmware? ==
692
693
694 (((
695 A new firmware might be available for:
696 )))
697
698 * (((
699 Support new features
700 )))
701 * (((
702 For bug fix
703 )))
704 * (((
705 Change LoRaWAN bands.
706 )))
707
708 (((
709 Instruction for how to upgrade: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
710 )))
711
712 (((
713
714 )))
715
716 (((
717 Firmware location: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LMDS200/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS03A/Firmware/]]
718 )))
719
720
721 == 5.3  How to change the LoRa Frequency Bands/Region ==
722
723
724 You can follow the instructions for [[how to upgrade image>>||anchor="H5.2A0Howtoupgradethefirmware3F"]].
725 When downloading the images, choose the required image file for download. ​
726
727
728 = 6.  Trouble Shooting =
729
730 == 6.1  AT Command input doesn't work ==
731
732
733 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.
734
735 (((
736
737 )))
738
739 = 7.  Order Info =
740
741
742 Part Number **:** (% style="color:blue" %)**LMDS200-XX**
743
744
745 (% style="color:blue" %)**XX**(%%)**: **The default frequency band
746
747 * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
748 * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
749 * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
750 * (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
751 * (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
752 * (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
753 * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
754 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
755
756
757
758 = 8. ​ Packing Info =
759
760
761 (((
762 **Package Includes**:
763 )))
764
765 (((
766 LMDS200 LoRaWAN Microwave Radar Distance Sensor x 1
767
768
769 )))
770
771 = 9.  ​Support =
772
773
774 * 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.
775 * 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]].
776
777
778 )))

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