Changes for page LSN50v2-D20-D22-D23 LoRaWAN Temperature Sensor User Manual
Last modified by Mengting Qiu on 2025/04/07 16:25
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... ... @@ -66,23 +66,29 @@ 66 66 67 67 68 68 69 - 70 - 71 - 72 - 73 73 = 1. Introduction = 74 74 75 75 == 1.1 What is LoRaWAN Soil pH Sensor == 76 76 73 +((( 77 77 The Dragino LSPH01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof. 75 +))) 78 78 77 +((( 79 79 LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:#4f81bd" %)pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use. 79 +))) 80 80 81 +((( 81 81 The LoRa wireless technology used in LSPH01 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. 83 +))) 82 82 85 +((( 83 83 LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years. 87 +))) 84 84 89 +((( 85 85 Each LSPH01 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. 91 +))) 86 86 87 87 88 88 [[image:1654592435432-887.png]] ... ... @@ -210,7 +210,9 @@ 210 210 [[image:image-20220607170442-2.png]] 211 211 212 212 219 +((( 213 213 (% style="color:blue" %)**Step 3**(%%)**:** The LSPH01 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. 221 +))) 214 214 215 215 [[image:1654592697690-910.png]] 216 216 ... ... @@ -218,11 +218,17 @@ 218 218 219 219 == 2.3 Uplink Payload == 220 220 229 +((( 221 221 LSPH01 will uplink payload via LoRaWAN with below payload format: 231 +))) 222 222 233 +((( 223 223 Uplink payload includes in total 11 bytes. 235 +))) 224 224 237 +((( 225 225 Normal uplink payload: 239 +))) 226 226 227 227 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %) 228 228 |((( ... ... @@ -306,19 +306,22 @@ 306 306 307 307 === 2.3.6 Message Type === 308 308 323 +((( 309 309 For a normal uplink payload, the message type is always 0x01. 325 +))) 310 310 327 +((( 311 311 Valid Message Type: 329 +))) 312 312 313 313 314 314 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %) 315 -|**Message Type Code**|**Description**|**Payload** 333 +|=**Message Type Code**|=**Description**|=**Payload** 316 316 |0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]] 317 317 |0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]] 318 318 |0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]] 319 319 320 320 321 - 322 322 === 2.3.7 Decode payload in The Things Network === 323 323 324 324 While using TTN network, you can add the payload format to decode the payload. ... ... @@ -344,12 +344,21 @@ 344 344 345 345 == 2.5 Show Data in DataCake IoT Server == 346 346 364 +((( 347 347 [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps: 366 +))) 348 348 368 +((( 369 + 370 +))) 349 349 372 +((( 350 350 (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.** 374 +))) 351 351 376 +((( 352 352 (% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:** 378 +))) 353 353 354 354 355 355 [[image:1654592790040-760.png]] ... ... @@ -372,9 +372,13 @@ 372 372 [[image:1654592856403-259.png]] 373 373 374 374 401 +((( 375 375 (% style="color:blue" %)**Step 5**(%%)**: add payload decode** 403 +))) 376 376 405 +((( 377 377 Download Datacake decoder from: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]] 407 +))) 378 378 379 379 380 380 [[image:1654592878525-845.png]] ... ... @@ -397,8 +397,10 @@ 397 397 === 2.6.1 Before measurement === 398 398 399 399 ((( 430 +((( 400 400 If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 401 401 ))) 433 +))) 402 402 403 403 404 404 ... ... @@ -405,24 +405,45 @@ 405 405 === 2.6.2 Measurement === 406 406 407 407 440 +((( 408 408 (% style="color:#4f81bd" %)**Measurement the soil surface:** 442 +))) 409 409 444 +((( 410 410 [[image:1654592946732-634.png]] 446 +))) 411 411 448 +((( 412 412 Choose the proper measuring position. Split the surface soil according to the measured deep. 450 +))) 413 413 452 +((( 414 414 Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things. 454 +))) 415 415 456 +((( 416 416 Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting. 458 +))) 417 417 460 +((( 418 418 Put soil over the probe after insert. And start to measure. 462 +))) 419 419 464 +((( 465 + 466 +))) 420 420 468 +((( 421 421 (% style="color:#4f81bd" %)**Measurement inside soil:** 470 +))) 422 422 472 +((( 423 423 Dig a hole with diameter > 20CM. 474 +))) 424 424 476 +((( 425 425 Insert the probe inside, method like measure the surface. 478 +))) 426 426 427 427 428 428 ... ... @@ -452,9 +452,13 @@ 452 452 453 453 == 2.7 Calibration == 454 454 508 +((( 455 455 User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable). 510 +))) 456 456 512 +((( 457 457 After stable, user can use below command to calibrate. 514 +))) 458 458 459 459 [[image:image-20220607171149-4.png]] 460 460 ... ... @@ -461,7 +461,7 @@ 461 461 462 462 (% style="color:#037691" %)**Calibration Payload** 463 463 464 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %) 521 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 465 465 |((( 466 466 **Size** 467 467 ... ... @@ -481,7 +481,6 @@ 481 481 Always 0x03 482 482 ))) 483 483 484 - 485 485 User can also send 0x14 downlink command to poll the current calibration payload. 486 486 487 487 [[image:image-20220607171416-7.jpeg]] ... ... @@ -491,7 +491,6 @@ 491 491 * Reply to non-confirmed packet: 14 00 492 492 493 493 494 - 495 495 == 2.8 Frequency Plans == 496 496 497 497 ((( ... ... @@ -501,32 +501,61 @@ 501 501 502 502 === 2.8.1 EU863-870 (EU868) === 503 503 559 +((( 504 504 (% style="color:blue" %)**Uplink:** 561 +))) 505 505 563 +((( 506 506 868.1 - SF7BW125 to SF12BW125 565 +))) 507 507 567 +((( 508 508 868.3 - SF7BW125 to SF12BW125 and SF7BW250 569 +))) 509 509 571 +((( 510 510 868.5 - SF7BW125 to SF12BW125 573 +))) 511 511 575 +((( 512 512 867.1 - SF7BW125 to SF12BW125 577 +))) 513 513 579 +((( 514 514 867.3 - SF7BW125 to SF12BW125 581 +))) 515 515 583 +((( 516 516 867.5 - SF7BW125 to SF12BW125 585 +))) 517 517 587 +((( 518 518 867.7 - SF7BW125 to SF12BW125 589 +))) 519 519 591 +((( 520 520 867.9 - SF7BW125 to SF12BW125 593 +))) 521 521 595 +((( 522 522 868.8 - FSK 597 +))) 523 523 599 +((( 600 + 601 +))) 524 524 603 +((( 525 525 (% style="color:blue" %)**Downlink:** 605 +))) 526 526 607 +((( 527 527 Uplink channels 1-9 (RX1) 609 +))) 528 528 611 +((( 529 529 869.525 - SF9BW125 (RX2 downlink only) 613 +))) 530 530 531 531 532 532 ... ... @@ -548,50 +548,91 @@ 548 548 * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include) 549 549 550 550 551 - 552 - 553 553 === 2.8.3 CN470-510 (CN470) === 554 554 637 +((( 555 555 Used in China, Default use CHE=1 639 +))) 556 556 641 +((( 557 557 (% style="color:blue" %)**Uplink:** 643 +))) 558 558 645 +((( 559 559 486.3 - SF7BW125 to SF12BW125 647 +))) 560 560 649 +((( 561 561 486.5 - SF7BW125 to SF12BW125 651 +))) 562 562 653 +((( 563 563 486.7 - SF7BW125 to SF12BW125 655 +))) 564 564 657 +((( 565 565 486.9 - SF7BW125 to SF12BW125 659 +))) 566 566 661 +((( 567 567 487.1 - SF7BW125 to SF12BW125 663 +))) 568 568 665 +((( 569 569 487.3 - SF7BW125 to SF12BW125 667 +))) 570 570 669 +((( 571 571 487.5 - SF7BW125 to SF12BW125 671 +))) 572 572 673 +((( 573 573 487.7 - SF7BW125 to SF12BW125 675 +))) 574 574 677 +((( 678 + 679 +))) 575 575 681 +((( 576 576 (% style="color:blue" %)**Downlink:** 683 +))) 577 577 685 +((( 578 578 506.7 - SF7BW125 to SF12BW125 687 +))) 579 579 689 +((( 580 580 506.9 - SF7BW125 to SF12BW125 691 +))) 581 581 693 +((( 582 582 507.1 - SF7BW125 to SF12BW125 695 +))) 583 583 697 +((( 584 584 507.3 - SF7BW125 to SF12BW125 699 +))) 585 585 701 +((( 586 586 507.5 - SF7BW125 to SF12BW125 703 +))) 587 587 705 +((( 588 588 507.7 - SF7BW125 to SF12BW125 707 +))) 589 589 709 +((( 590 590 507.9 - SF7BW125 to SF12BW125 711 +))) 591 591 713 +((( 592 592 508.1 - SF7BW125 to SF12BW125 715 +))) 593 593 717 +((( 594 594 505.3 - SF12BW125 (RX2 downlink only) 719 +))) 595 595 596 596 597 597 ... ... @@ -617,112 +617,219 @@ 617 617 * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include) 618 618 619 619 620 - 621 - 622 622 === 2.8.5 AS920-923 & AS923-925 (AS923) === 623 623 747 +((( 624 624 (% style="color:blue" %)**Default Uplink channel:** 749 +))) 625 625 751 +((( 626 626 923.2 - SF7BW125 to SF10BW125 753 +))) 627 627 755 +((( 628 628 923.4 - SF7BW125 to SF10BW125 757 +))) 629 629 759 +((( 760 + 761 +))) 630 630 763 +((( 631 631 (% style="color:blue" %)**Additional Uplink Channel**: 765 +))) 632 632 767 +((( 633 633 (OTAA mode, channel added by JoinAccept message) 769 +))) 634 634 771 +((( 772 + 773 +))) 635 635 775 +((( 636 636 (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**: 777 +))) 637 637 779 +((( 638 638 922.2 - SF7BW125 to SF10BW125 781 +))) 639 639 783 +((( 640 640 922.4 - SF7BW125 to SF10BW125 785 +))) 641 641 787 +((( 642 642 922.6 - SF7BW125 to SF10BW125 789 +))) 643 643 791 +((( 644 644 922.8 - SF7BW125 to SF10BW125 793 +))) 645 645 795 +((( 646 646 923.0 - SF7BW125 to SF10BW125 797 +))) 647 647 799 +((( 648 648 922.0 - SF7BW125 to SF10BW125 801 +))) 649 649 803 +((( 804 + 805 +))) 650 650 807 +((( 651 651 (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**: 809 +))) 652 652 811 +((( 653 653 923.6 - SF7BW125 to SF10BW125 813 +))) 654 654 815 +((( 655 655 923.8 - SF7BW125 to SF10BW125 817 +))) 656 656 819 +((( 657 657 924.0 - SF7BW125 to SF10BW125 821 +))) 658 658 823 +((( 659 659 924.2 - SF7BW125 to SF10BW125 825 +))) 660 660 827 +((( 661 661 924.4 - SF7BW125 to SF10BW125 829 +))) 662 662 831 +((( 663 663 924.6 - SF7BW125 to SF10BW125 833 +))) 664 664 835 +((( 836 + 837 +))) 665 665 839 +((( 666 666 (% style="color:blue" %)**Downlink:** 841 +))) 667 667 843 +((( 668 668 Uplink channels 1-8 (RX1) 845 +))) 669 669 847 +((( 670 670 923.2 - SF10BW125 (RX2) 849 +))) 671 671 672 672 673 673 674 674 === 2.8.6 KR920-923 (KR920) === 675 675 855 +((( 676 676 (% style="color:blue" %)**Default channel:** 857 +))) 677 677 859 +((( 678 678 922.1 - SF7BW125 to SF12BW125 861 +))) 679 679 863 +((( 680 680 922.3 - SF7BW125 to SF12BW125 865 +))) 681 681 867 +((( 682 682 922.5 - SF7BW125 to SF12BW125 869 +))) 683 683 871 +((( 872 + 873 +))) 684 684 875 +((( 685 685 (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)** 877 +))) 686 686 879 +((( 687 687 922.1 - SF7BW125 to SF12BW125 881 +))) 688 688 883 +((( 689 689 922.3 - SF7BW125 to SF12BW125 885 +))) 690 690 887 +((( 691 691 922.5 - SF7BW125 to SF12BW125 889 +))) 692 692 891 +((( 693 693 922.7 - SF7BW125 to SF12BW125 893 +))) 694 694 895 +((( 695 695 922.9 - SF7BW125 to SF12BW125 897 +))) 696 696 899 +((( 697 697 923.1 - SF7BW125 to SF12BW125 901 +))) 698 698 903 +((( 699 699 923.3 - SF7BW125 to SF12BW125 905 +))) 700 700 907 +((( 908 + 909 +))) 701 701 911 +((( 702 702 (% style="color:blue" %)**Downlink:** 913 +))) 703 703 915 +((( 704 704 Uplink channels 1-7(RX1) 917 +))) 705 705 919 +((( 706 706 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 921 +))) 707 707 708 708 709 709 710 710 === 2.8.7 IN865-867 (IN865) === 711 711 927 +((( 712 712 (% style="color:blue" %)**Uplink:** 929 +))) 713 713 931 +((( 714 714 865.0625 - SF7BW125 to SF12BW125 933 +))) 715 715 935 +((( 716 716 865.4025 - SF7BW125 to SF12BW125 937 +))) 717 717 939 +((( 718 718 865.9850 - SF7BW125 to SF12BW125 941 +))) 719 719 943 +((( 944 + 945 +))) 720 720 947 +((( 721 721 (% style="color:blue" %)**Downlink:** 949 +))) 722 722 951 +((( 723 723 Uplink channels 1-3 (RX1) 953 +))) 724 724 955 +((( 725 725 866.550 - SF10BW125 (RX2) 957 +))) 726 726 727 727 728 728 ... ... @@ -750,26 +750,51 @@ 750 750 751 751 = 3. Configure LSPH01 via AT Command or LoRaWAN Downlink = 752 752 985 +((( 753 753 Use can configure LSPH01 via AT Command or LoRaWAN Downlink. 987 +))) 754 754 755 -* AT Command Connection: See [[FAQ>>path:#H6.FAQ]]. 756 -* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]] 989 +* ((( 990 +AT Command Connection: See [[FAQ>>path:#H6.FAQ]]. 991 +))) 992 +* ((( 993 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]] 994 +))) 757 757 996 +((( 758 758 There are two kinds of commands to configure LSPH01, they are: 998 +))) 759 759 760 -* (% style="color:#4f81bd" %)** General Commands**. 1000 +* ((( 1001 +(% style="color:#4f81bd" %)** General Commands**. 1002 +))) 761 761 1004 +((( 762 762 These commands are to configure: 1006 +))) 763 763 764 -* General system settings like: uplink interval. 765 -* LoRaWAN protocol & radio related command. 1008 +* ((( 1009 +General system settings like: uplink interval. 1010 +))) 1011 +* ((( 1012 +LoRaWAN protocol & radio related command. 1013 +))) 766 766 1015 +((( 767 767 They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:[[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]] 1017 +))) 768 768 1019 +((( 1020 + 1021 +))) 769 769 770 -* (% style="color:#4f81bd" %)** Commands special design for LSPH01** 1023 +* ((( 1024 +(% style="color:#4f81bd" %)** Commands special design for LSPH01** 1025 +))) 771 771 1027 +((( 772 772 These commands only valid for LSPH01, as below: 1029 +))) 773 773 774 774 775 775 ... ... @@ -783,16 +783,27 @@ 783 783 784 784 785 785 1043 +((( 786 786 (% style="color:#037691" %)**Downlink Command: 0x01** 1045 +))) 787 787 1047 +((( 788 788 Format: Command Code (0x01) followed by 3 bytes time value. 1049 +))) 789 789 1051 +((( 790 790 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1053 +))) 791 791 792 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 793 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1055 +* ((( 1056 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1057 +))) 1058 +* ((( 1059 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 794 794 795 795 1062 + 1063 +))) 796 796 797 797 == 3.2 Set Interrupt Mode == 798 798 ... ... @@ -803,15 +803,28 @@ 803 803 [[image:image-20220607171716-9.png]] 804 804 805 805 1074 +((( 806 806 (% style="color:#037691" %)**Downlink Command: 0x06** 1076 +))) 807 807 1078 +((( 808 808 Format: Command Code (0x06) followed by 3 bytes. 1080 +))) 809 809 1082 +((( 810 810 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1084 +))) 811 811 812 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 813 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1086 +* ((( 1087 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1088 +))) 1089 +* ((( 1090 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1091 +))) 814 814 1093 +((( 1094 + 1095 +))) 815 815 816 816 817 817 ... ... @@ -832,7 +832,6 @@ 832 832 * Reply to the confirmation package: 26 01 833 833 * Reply to non-confirmed packet: 26 00 834 834 835 - 836 836 Device will send an uplink after got this downlink command. With below payload: 837 837 838 838 Configures info payload: ... ... @@ -990,9 +990,13 @@ 990 990 991 991 === 4.3.2 Replace the battery === 992 992 1273 +((( 993 993 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. 1275 +))) 994 994 1277 +((( 995 995 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) 1279 +))) 996 996 997 997 998 998 ... ... @@ -1002,7 +1002,7 @@ 1002 1002 1003 1003 LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below. 1004 1004 1005 -[[image: /xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654589001411-343.png?rev=1.1||alt="1654589001411-343.png"]]1289 +[[image:1654593668970-604.png]] 1006 1006 1007 1007 **Connection:** 1008 1008 ... ... @@ -1013,10 +1013,12 @@ 1013 1013 (% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1014 1014 1015 1015 1300 +((( 1016 1016 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below: 1302 +))) 1017 1017 1018 1018 1019 - [[image: /xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654589062541-567.png?rev=1.1||alt="1654589062541-567.png"]]1305 + [[image:1654593712276-618.png]] 1020 1020 1021 1021 Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]]. 1022 1022 ... ... @@ -1074,3 +1074,4 @@ 1074 1074 * 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. 1075 1075 * 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]]. 1076 1076 1363 +
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