Changes for page LSN50 & LSN50-V2 - LoRaWAN Sensor Node User Manual
Last modified by Mengting Qiu on 2025/06/04 10:46
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... ... @@ -18,8 +18,6 @@ 18 18 19 19 **Table of Contents:** 20 20 21 -{{toc/}} 22 - 23 23 (% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %) 24 24 ((( 25 25 (% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]] ... ... @@ -38,29 +38,17 @@ 38 38 == 1.1 What is LSN50V2-D2x LoRaWAN Temperature Sensor == 39 39 40 40 41 -((( 42 42 The Dragino LSN50v2-D2x is a (% style="color:#4472c4" %)**LoRaWAN Temperature Sensor**(%%) for Internet of Things solution. It can be used to measure the (% style="color:#4472c4" %)**temperature of air, liquid or object**(%%), and then upload to IoT server via LoRaWAN wireless protocol. 43 -))) 44 44 45 -((( 46 46 The temperature sensor used in LSN50v2-D2x can (% style="color:#4472c4" %)**measure -55°C ~~ 125°C with accuracy ±0.5°C (max ±2.0 °C)**. 47 -))) 48 48 49 -((( 50 50 LSN50v2-D2x supports (% style="color:#4472c4" %)**temperature alarm feature,**(%%) user can set temperature alarm for instant notice. 51 -))) 52 52 53 -((( 54 54 LSN50v2-D2x has max 3 probes which measure maximum 3 temperature points. 55 -))) 56 56 57 -((( 58 58 LSN50v2-D2x is powered by (% style="color:#4472c4" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 10 years. (Actually Battery life depends on the use environment, update period. Please check related Power Analyze report). 59 -))) 60 60 61 -((( 62 62 Each LSN50v2-D2x is pre-load with a set of unique keys for LoRaWAN registration, register these keys to local LoRaWAN server and it will auto connect after power on. 63 -))) 64 64 65 65 66 66 [[image:1655889313568-879.png]] ... ... @@ -69,19 +69,16 @@ 69 69 70 70 == 1.2 Specifications == 71 71 72 - 73 73 (% style="color:#037691" %)**Common DC Characteristics:** 74 74 75 75 * Supply Voltage: built in 8500mAh Li-SOCI2 battery 76 76 * Operating Temperature: -40 ~~ 85°C 77 77 78 - 79 79 (% style="color:#037691" %)**Temperature Sensor:** 80 80 81 81 * Range: -55 to + 125°C 82 82 * Accuracy ±0.5°C (max ±2.0 °C). 83 83 84 - 85 85 (% style="color:#037691" %)**LoRa Spec:** 86 86 87 87 * Frequency Range, ... ... @@ -96,14 +96,11 @@ 96 96 * Automatic RF Sense and CAD with ultra-fast AFC. 97 97 * LoRaWAN 1.0.3 Specification 98 98 99 - 100 100 (% style="color:#037691" %)**Power Consumption** 101 101 102 102 * Sleeping Mode: 20uA 103 103 * LoRaWAN Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm 104 104 105 - 106 - 107 107 == 1.3 Features == 108 108 109 109 * LoRaWAN v1.0.3 Class A ... ... @@ -162,8 +162,6 @@ 162 162 Cable Drawing: [[See This Link>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Cable_Drawing/&file=CAB0-35IC-K31G-210811.pdf]] 163 163 ))) 164 164 165 - 166 - 167 167 == 1.6 Pin Definitions and Switch == 168 168 169 169 (% class="wikigeneratedid" %) ... ... @@ -199,8 +199,6 @@ 199 199 1. When boot the device in flash mode 200 200 1. Send an uplink packet 201 201 202 - 203 - 204 204 == 1.7 Hardware Change log == 205 205 206 206 LSN50v2-D20 v1.0: Release. ... ... @@ -222,7 +222,7 @@ 222 222 ((( 223 223 Here is an example for how to join the [[TTN LoRaWAN >>url:http://www.thethingsnetwork.org/]]Server. Below is the network structure, in this demo we use [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] as LoRaWAN gateway. 224 224 225 -(% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:1655891470063-521.png]](% title="Click and drag to resize" %) [[image:1655952600869-544.png]]201 +(% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:1655891470063-521.png]](% title="Click and drag to resize" %) 226 226 ))) 227 227 228 228 (% 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"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% 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" %)(%%) ... ... @@ -300,22 +300,22 @@ 300 300 ))) 301 301 302 302 303 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width: 510px" %)279 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:709px" %) 304 304 |=(% style="width: 62.5px;" %)((( 305 305 **Size (bytes)** 306 -)))|=(% style="width: 62.5px;" %)2|=(% style="width: 91px;" %)2|=(% style="width:61px;" %)2|=(% style="width: 91px;" %)1|=(% style="width:99px;" %)**2**|=(% style="width: 97px;" %)2282 +)))|=(% style="width: 62.5px;" %)2|=(% style="width: 200px;" %)2|=(% style="width: 82px;" %)2|=(% style="width: 91px;" %)1|=(% style="width: 102px;" %)**2**|=(% style="width: 95px;" %)2 307 307 |(% style="width:62.5px" %)**Value**|((( 308 -[[Battery>>||anchor="HBattery :"]]309 -)))|(% style="width: 91px" %)(((310 -[[Temp_ Red or Temp _White>>||anchor="H TemperatureREDorTemperatureWhite:"]]311 -)))|(% style="width: 61px" %)(((284 +[[Battery>>||anchor="H2.4.1A0BatteryInfo"]][[ >>||anchor="H2.4.2A0InterruptPin"]] 285 +)))|(% style="width:200px" %)((( 286 +[[Temp_ Red or Temp _White>>||anchor="H2.4.3A0Distance"]] 287 +)))|(% style="width:82px" %)((( 312 312 ignore 313 313 )))|(% style="width:91px" %)((( 314 -[[Alarm Flag>>||anchor="H AlarmFlag26MOD:"]]315 -)))|(% style="width: 99px" %)(((316 -[[Temp_White>>||anchor="H TemperatureWhite:"]]317 -)))|(% style="width:9 7px" %)(((318 -[[Temp_Black>>||anchor="H TemperatureBlack:"]]290 +[[Alarm Flag>>||anchor="H2.4.3A0Distance"]] 291 +)))|(% style="width:102px" %)((( 292 +[[Temp_White>>||anchor="H2.4.3A0Distance"]] 293 +)))|(% style="width:95px" %)((( 294 +[[Temp_Black>>||anchor="H2.4.4A0MessageType"]] 319 319 ))) 320 320 321 321 [[image:image-20220622180351-1.png||height="589" width="1096"]] ... ... @@ -376,9 +376,20 @@ 376 376 377 377 If payload >> 2 = 0x00 **~-~->** means MOD=1, This is a sampling uplink message 378 378 379 -If payload >> 2 = 0x31 **~-~->** means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[ ~>url:http:~~/~~/www.dragino.com/downloads/index.php?dir" data-cke-saved-href="#HPolltheAlarmsettings:"href="#HPolltheAlarmsettings:"~>this link>>||anchor="HPolltheAlarmsettings:"aria-label="Data URI image image widget" contenteditable="false" role="presentation"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"]]355 +If payload >> 2 = 0x31 **~-~->** means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#Poll_Alarm]] for detail. 380 380 357 +(% 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"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 381 381 359 + 360 +=== 2.3.2 Decode payload in The Things Network === 361 + 362 +In TTN, use can add a custom payload so it shows friendly. 363 + 364 +In the page Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder to add the decoder from: 365 + 366 +[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Decoder/]] 367 + 368 + 382 382 (% 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" %)(% 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" %) 383 383 384 384 == 2.4 Temperature Alarm Feature == ... ... @@ -404,7 +404,7 @@ 404 404 LSN50V2-D20 supports configuration via LoRaWAN downlink command or AT Commands. 405 405 406 406 * Downlink command instructions for different platform: [[Use Note for Server>>doc:Main.WebHome]](IoT LoRaWAN Server) 407 -* AT Command Access Instructions: [[LINK>> ||anchor="H4.A0UseATCommand"]]394 +* AT Command Access Instructions: [[LINK>>path:#AT_Command]] 408 408 409 409 There are two parts of commands: General one and Special for this model. 410 410 ... ... @@ -423,6 +423,7 @@ 423 423 424 424 === 2.5.2 Sensor related commands === 425 425 413 +(% class="wikigeneratedid" %) 426 426 ==== ==== 427 427 428 428 ==== (% style="color:red" %)**Set Alarm Threshold:**(%%) ==== ... ... @@ -435,6 +435,7 @@ 435 435 * When min≠0, and max=0, Alarm trigger when lower than min 436 436 * When min≠0 and max≠0, Alarm trigger when higher than max or lower than min 437 437 426 + 438 438 **Example:** 439 439 440 440 AT+18ALARM=-10,30 ~/~/ Alarm when < -10 or higher than 30. ... ... @@ -457,6 +457,7 @@ 457 457 * 2: Temperature_White 458 458 * 3: Temperature_Black 459 459 449 + 460 460 **Example:** 461 461 462 462 AT+18ALARM=-10,30,1 ~/~/ Alarm when temperature_red < -10 or higher than 30. ... ... @@ -504,8 +504,6 @@ 504 504 505 505 506 506 507 - 508 - 509 509 == 2.6 LED Status == 510 510 511 511 LSN50-v2-D20 has an internal LED, it will active in below situation: ... ... @@ -517,7 +517,6 @@ 517 517 518 518 519 519 520 - 521 521 == 2.7 Button Function == 522 522 523 523 **Internal RESET button:** ... ... @@ -554,7 +554,7 @@ 554 554 555 555 556 556 557 -== 3.2 Replace Battery ==544 +== 4.2 Replace Battery == 558 558 559 559 ((( 560 560 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. ... ... @@ -566,7 +566,7 @@ 566 566 567 567 568 568 569 -== 3.3 Power Consumption Analyze ==556 +== 4.3 Power Consumption Analyze == 570 570 571 571 ((( 572 572 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. ... ... @@ -611,7 +611,7 @@ 611 611 612 612 613 613 614 -=== 3.3.1 Battery Note ===601 +=== 4.3.1 Battery Note === 615 615 616 616 ((( 617 617 ((( ... ... @@ -621,7 +621,7 @@ 621 621 622 622 623 623 624 -=== 3.3.2 Replace the battery ===611 +=== 4.3.2 Replace the battery === 625 625 626 626 ((( 627 627 ((( ... ... @@ -637,75 +637,70 @@ 637 637 ))) 638 638 639 639 640 -= 4. Use AT Command =627 += 5. Use AT Command = 641 641 642 -== 4.1 Access AT Commands ==629 +== 5.1 Access AT Commands == 643 643 644 - User can use a USB to TTL adapter to connect to LSN50V2-D20to useAT commandto configure the device. Example isasbelow:631 +LDDS04 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS04 for using AT command, as below. 645 645 633 +(% aria-label="1654940081538-914.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654940081538-914.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 646 646 647 -[[image:image-20220623095817-4.png||height="665" width="1032"]] 648 648 649 - (% style="display:none" %) (%%)636 +**Connection:** 650 650 651 - [[image:image-20220623100044-7.png]]638 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 652 652 640 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 653 653 654 -(% style=" display:none" %)(%%)642 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 655 655 656 -= 5. FAQ = 657 657 658 -== 5.1 What is the frequency range of LSN50v2-D20? == 645 +((( 646 +((( 647 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS04. 648 +))) 659 659 660 -Different LSN50V2-D20 version supports different frequency range, below is the table for the working frequency and recommend bands for each model: 650 +((( 651 +LDDS04 will output system info once power on as below: 652 +))) 653 +))) 661 661 662 -[[image:image-20220623100350-8.png]] 663 663 656 + (% aria-label="1654593712276-618.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654593712276-618.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 664 664 665 - ==5.2WhatistheFrequency Plan?==658 +Valid AT Command please check [[Configure Device>>||anchor="H3.A0ConfigureLDDS04viaATCommandorLoRaWANDownlink"]]. 666 666 667 -Please refer Dragino End Node Frequency Plan: [[End Device Frequency Band>>doc:Main.End Device Frequency Band.WebHome]] 668 668 669 669 662 += 6. FAQ = 670 670 671 -== 5.3update thefirmware?==664 +== 6.1 How to change the LoRa Frequency Bands/Region == 672 672 673 -User can upgrade the firmware for: 666 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.9A0200BFirmwareChangeLog"]]. 667 +When downloading the images, choose the required image file for download. 674 674 675 -* ((( 676 -Support new features 677 -))) 678 -* ((( 679 -For bug fix 680 -))) 681 -* ((( 682 -Change LoRaWAN bands. 683 -))) 684 684 685 -Please see this link for how to upgrade: ** **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 686 686 671 += 7. Trouble Shooting = 687 687 673 +== 7.1 AT Command input doesn't work == 688 688 689 -= 6. Trouble Shooting = 690 - 691 -== 6.1 AT Command input doesn't work == 692 - 693 693 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. 694 694 677 +((( 678 + 679 +))) 695 695 696 696 697 -= 7. Order Info =682 += 8. Order Info = 698 698 684 +== 8.1 Main Device LDDS04 == 699 699 700 - **Part Number:** (% style="color:blue" %)**LSN50V2-D20-XXX (Signal Probe)**686 +Part Number **:** (% style="color:blue" %)**LDDS04-XX** 701 701 702 -**~ Or (% style="color:blue" %)LSN50V2-D22-XXX (Dual Probe)(%%)** 703 703 704 - **~ Or(% style="color:blue" %)LSN50V2-D23-XXX(Triple Probe)(%%)**689 +(% style="color:blue" %)**XX**(%%)**: **The default frequency band 705 705 706 - 707 -(% style="color:blue" %)**XXX**(%%)**: **The default frequency band 708 - 709 709 * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 710 710 * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 711 711 * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band ... ... @@ -715,14 +715,21 @@ 715 715 * (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 716 716 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 717 717 700 +== 8.2 Probe Model == 718 718 702 +Detail See [[Probe Option>>path:#Probe_Option]] Section 719 719 720 -= 8. Packing Info = 704 +* A01A-15 705 +* A02-15 706 +* A13-15 707 +* A16-15 721 721 709 += 9. Packing Info = 722 722 711 + 723 723 **Package Includes**: 724 724 725 -* LS N50v2-D2xLoRaWANTemperature Sensor x 1714 +* LDDS04 LoRaWAN 4-Channels Distance Sensor x 1 726 726 727 727 **Dimension and weight**: 728 728 ... ... @@ -731,9 +731,7 @@ 731 731 * Package Size / pcs : cm 732 732 * Weight / pcs : g 733 733 723 += 10. Support = 734 734 735 - 736 -= 9. Support = 737 - 738 738 * 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. 739 739 * 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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