Last modified by Xiaoling on 2025/04/19 17:58
<
From version < 42.22 >
edited by Xiaoling
on 2023/01/31 16:28
To version < 43.2 >
edited by Xiaoling
on 2023/02/01 11:33
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -16,22 +16,33 @@
16 16  == 1.1 What is LoRaWAN Pressure Sensor ==
17 17  
18 18  
19 +(((
19 19  The Dragino PS-LB series sensors are (% style="color:blue" %)**LoRaWAN Pressure Sensor**(%%) for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
21 +)))
20 20  
23 +(((
21 21  The PS-LB series sensors include (% style="color:blue" %)**Thread Installation Type**(%%) and (% style="color:blue" %)**Immersion Type**(%%), it supports different pressure range which can be used for different measurement requirement.
25 +)))
22 22  
27 +(((
23 23  The LoRa wireless technology used in PS-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.
29 +)))
24 24  
31 +(((
25 25  PS-LB supports BLE configure and wireless OTA update which make user easy to use.
33 +)))
26 26  
35 +(((
27 27  PS-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
37 +)))
28 28  
39 +(((
29 29  Each PS-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.
41 +)))
30 30  
31 31  [[image:1675071321348-194.png]]
32 32  
33 33  
34 -
35 35  == 1.2 ​Features ==
36 36  
37 37  
... ... @@ -48,6 +48,7 @@
48 48  * Downlink to change configure
49 49  * 8500mAh Battery for long term use
50 50  
62 +
51 51  == 1.3 Specification ==
52 52  
53 53  
... ... @@ -94,6 +94,7 @@
94 94  * Sleep Mode: 5uA @ 3.3v
95 95  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
96 96  
109 +
97 97  == 1.4 Probe Types ==
98 98  
99 99  === 1.4.1 Thread Installation Type ===
... ... @@ -112,6 +112,7 @@
112 112  * Operating temperature: -20℃~~60℃
113 113  * Connector Type: Various Types, see order info
114 114  
128 +
115 115  === 1.4.2 Immersion Type ===
116 116  
117 117  
... ... @@ -128,11 +128,11 @@
128 128  * Operating temperature: -40℃~~85℃
129 129  * Material: 316 stainless steels
130 130  
145 +
131 131  == 1.5 Probe Dimension ==
132 132  
133 133  
134 134  
135 -
136 136  == 1.6 Application and Installation ==
137 137  
138 138  === 1.6.1 Thread Installation Type ===
... ... @@ -187,21 +187,19 @@
187 187  
188 188  
189 189  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
190 -|=(% style="width: 150px;" %)**Behavior on ACT**|=(% style="width: 90px;" %)**Function**|=**Action**
191 -|(% style="width:260px" %)Pressing ACT between 1s < time < 3s|(% style="width:100px" %)Send an uplink|(((
204 +|=(% style="width: 167px;" %)**Behavior on ACT**|=(% style="width: 117px;" %)**Function**|=(% style="width: 225px;" %)**Action**
205 +|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
192 192  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
193 -
194 194  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
195 195  )))
196 -|(% style="width:138px" %)Pressing ACT for more than 3s|(% style="width:100px" %)Active Device|(((
209 +|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
197 197  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
198 -
199 199  (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
200 -
201 201  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
202 202  )))
203 -|(% style="width:138px" %)Fast press ACT 5 times.|(% style="width:100px" %)Deactivate Device|red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
214 +|(% 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 PS-LB is in Deep Sleep Mode.
204 204  
216 +
205 205  == 1.9 Pin Mapping ==
206 206  
207 207  
... ... @@ -245,7 +245,6 @@
245 245  The PS-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 activate the PS-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
246 246  
247 247  
248 -
249 249  == 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
250 250  
251 251  
... ... @@ -321,8 +321,8 @@
321 321  
322 322  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
323 323  |(% colspan="6" %)**Device Status (FPORT=5)**
324 -|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|**1**|**1**|**2**
325 -|(% style="width:103px" %)**Value**|(% style="width:72px" %)Sensor Model|Firmware Version|Frequency Band|Sub-band|BAT
335 +|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|(% style="width:91px" %)**1**|(% style="width:86px" %)**1**|(% style="width:44px" %)**2**
336 +|(% style="width:103px" %)**Value**|(% style="width:72px" %)Sensor Model|Firmware Version|(% style="width:91px" %)Frequency Band|(% style="width:86px" %)Sub-band|(% style="width:44px" %)BAT
326 326  
327 327  Example parse in TTNv3
328 328  
... ... @@ -391,8 +391,8 @@
391 391  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
392 392  |(% style="width:97px" %)(((
393 393  **Size(bytes)**
394 -)))|(% style="width:48px" %)**2**|(% style="width:58px" %)**2**|**2**|**2**|**1**
395 -|(% style="width:97px" %)**Value**|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:58px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.7IN126IN226INTpin"]]
405 +)))|(% style="width:48px" %)**2**|(% style="width:71px" %)**2**|(% style="width:98px" %)**2**|(% style="width:73px" %)**2**|(% style="width:122px" %)**1**
406 +|(% style="width:97px" %)Value|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.7IN126IN226INTpin"]]
396 396  
397 397  [[image:1675144608950-310.png]]
398 398  
... ... @@ -525,7 +525,6 @@
525 525  [[image:1675145060812-420.png]]
526 526  
527 527  
528 -
529 529  After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
530 530  
531 531  
... ... @@ -559,7 +559,7 @@
559 559  
560 560  There are two kinds of commands to configure PS-LB, they are:
561 561  
562 -* (% style="color:#037691" %)**General Commands**.
572 +* (% style="color:#037691" %)**General Commands**
563 563  
564 564  These commands are to configure:
565 565  
... ... @@ -584,17 +584,14 @@
584 584  (% style="color:blue" %)**AT Command: AT+TDC**
585 585  
586 586  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
587 -|**Command Example**|**Function**|**Response**
588 -|AT+TDC=?|Show current transmit Interval|(((
597 +|=(% style="width: 156px;" %)**Command Example**|=(% style="width: 137px;" %)**Function**|=**Response**
598 +|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
589 589  30000
590 -
591 591  OK
592 -
593 593  the interval is 30000ms = 30s
594 594  )))
595 -|AT+TDC=60000|Set Transmit Interval|(((
603 +|(% style="width:156px" %)AT+TDC=60000|(% style="width:137px" %)Set Transmit Interval|(((
596 596  OK
597 -
598 598  Set transmit interval to 60000ms = 60 seconds
599 599  )))
600 600  
... ... @@ -602,10 +602,10 @@
602 602  
603 603  Format: Command Code (0x01) followed by 3 bytes time value.
604 604  
605 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
612 +If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
606 606  
607 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
608 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
614 +* Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
615 +* Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
609 609  
610 610  
611 611  == 3.2 Set Interrupt Mode ==
... ... @@ -616,25 +616,19 @@
616 616  (% style="color:blue" %)**AT Command: AT+INTMOD**
617 617  
618 618  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
619 -|**Command Example**|**Function**|**Response**
620 -|AT+INTMOD=?|Show current interrupt mode|(((
626 +|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 196px;" %)**Function**|=(% style="width: 157px;" %)**Response**
627 +|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
621 621  0
622 -
623 623  OK
624 -
625 625  the mode is 0 = No interruption
626 626  )))
627 -|AT+INTMOD=2|(((
632 +|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
628 628  Set Transmit Interval
629 -
630 630  ~1. (Disable Interrupt),
631 -
632 -2. (Trigger by rising and falling edge),
633 -
635 +2. (Trigger by rising and falling edge)
634 634  3. (Trigger by falling edge)
635 -
636 636  4. (Trigger by rising edge)
637 -)))|OK
638 +)))|(% style="width:157px" %)OK
638 638  
639 639  (% style="color:blue" %)**Downlink Command: 0x06**
640 640  
... ... @@ -642,9 +642,10 @@
642 642  
643 643  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
644 644  
645 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
646 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
646 +* Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
647 +* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
647 647  
649 +
648 648  == 3.3 Set the output time ==
649 649  
650 650  
... ... @@ -652,68 +652,53 @@
652 652  
653 653  (% style="color:blue" %)**AT Command: AT+3V3T**
654 654  
655 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
656 -|(% style="width:156px" %)**Command Example**|(% style="width:236px" %)**Function**|(% style="width:117px" %)**Response**
657 -|(% style="width:156px" %)AT+3V3T=?|(% style="width:236px" %)Show 3V3 open time.|(% style="width:117px" %)(((
657 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:474px" %)
658 +|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 201px;" %)**Function**|=(% style="width: 116px;" %)**Response**
659 +|(% style="width:154px" %)AT+3V3T=?|(% style="width:201px" %)Show 3V3 open time.|(% style="width:116px" %)(((
658 658  0
659 -
660 660  OK
661 661  )))
662 -|(% style="width:156px" %)AT+3V3T=0|(% style="width:236px" %)Normally open 3V3 power supply.|(% style="width:117px" %)(((
663 +|(% style="width:154px" %)AT+3V3T=0|(% style="width:201px" %)Normally open 3V3 power supply.|(% style="width:116px" %)(((
663 663  OK
664 -
665 665  default setting
666 666  )))
667 -|(% style="width:156px" %)AT+3V3T=1000|(% style="width:236px" %)Close after a delay of 1000 milliseconds.|(% style="width:117px" %)(((
667 +|(% style="width:154px" %)AT+3V3T=1000|(% style="width:201px" %)Close after a delay of 1000 milliseconds.|(% style="width:116px" %)(((
668 668  OK
669 -
670 -
671 671  )))
672 -|(% style="width:156px" %)AT+3V3T=65535|(% style="width:236px" %)Normally closed 3V3 power supply.|(% style="width:117px" %)(((
670 +|(% style="width:154px" %)AT+3V3T=65535|(% style="width:201px" %)Normally closed 3V3 power supply.|(% style="width:116px" %)(((
673 673  OK
674 -
675 -
676 676  )))
677 677  
678 678  (% style="color:blue" %)**AT Command: AT+5VT**
679 679  
680 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
681 -|(% style="width:158px" %)**Command Example**|(% style="width:232px" %)**Function**|(% style="width:119px" %)**Response**
682 -|(% style="width:158px" %)AT+5VT=?|(% style="width:232px" %)Show 5V open time.|(% style="width:119px" %)(((
676 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:470px" %)
677 +|=(% style="width: 155px;" %)**Command Example**|=(% style="width: 196px;" %)**Function**|=(% style="width: 114px;" %)**Response**
678 +|(% style="width:155px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:114px" %)(((
683 683  0
684 -
685 685  OK
686 686  )))
687 -|(% style="width:158px" %)AT+5VT=0|(% style="width:232px" %)Normally closed 5V power supply.|(% style="width:119px" %)(((
682 +|(% style="width:155px" %)AT+5VT=0|(% style="width:196px" %)Normally closed 5V power supply.|(% style="width:114px" %)(((
688 688  OK
689 -
690 690  default setting
691 691  )))
692 -|(% style="width:158px" %)AT+5VT=1000|(% style="width:232px" %)Close after a delay of 1000 milliseconds.|(% style="width:119px" %)(((
686 +|(% style="width:155px" %)AT+5VT=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:114px" %)(((
693 693  OK
694 -
695 -
696 696  )))
697 -|(% style="width:158px" %)AT+5VT=65535|(% style="width:232px" %)Normally open 5V power supply.|(% style="width:119px" %)(((
689 +|(% style="width:155px" %)AT+5VT=65535|(% style="width:196px" %)Normally open 5V power supply.|(% style="width:114px" %)(((
698 698  OK
699 -
700 -
701 701  )))
702 702  
703 703  (% style="color:blue" %)**AT Command: AT+12VT**
704 704  
705 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
706 -|(% style="width:156px" %)**Command Example**|(% style="width:268px" %)**Function**|**Response**
707 -|(% style="width:156px" %)AT+12VT=?|(% style="width:268px" %)Show 12V open time.|(((
695 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:443px" %)
696 +|=(% style="width: 156px;" %)**Command Example**|=(% style="width: 199px;" %)**Function**|=(% style="width: 83px;" %)**Response**
697 +|(% style="width:156px" %)AT+12VT=?|(% style="width:199px" %)Show 12V open time.|(% style="width:83px" %)(((
708 708  0
709 -
710 710  OK
711 711  )))
712 -|(% style="width:156px" %)AT+12VT=0|(% style="width:268px" %)Normally closed 12V power supply.|OK
713 -|(% style="width:156px" %)AT+12VT=500|(% style="width:268px" %)Close after a delay of 500 milliseconds.|(((
701 +|(% style="width:156px" %)AT+12VT=0|(% style="width:199px" %)Normally closed 12V power supply.|(% style="width:83px" %)OK
702 +|(% style="width:156px" %)AT+12VT=500|(% style="width:199px" %)Close after a delay of 500 milliseconds.|(% style="width:83px" %)(((
714 714  OK
715 -
716 -
717 717  )))
718 718  
719 719  (% style="color:blue" %)**Downlink Command: 0x07**
... ... @@ -722,35 +722,31 @@
722 722  
723 723  The first byte is which power, the second and third bytes are the time to turn on.
724 724  
725 -* Example 1: Downlink Payload: 070101F4  -> AT+3V3T=500
726 -* Example 2: Downlink Payload: 0701FFFF   -> AT+3V3T=65535
727 -* Example 3: Downlink Payload: 070203E8  -> AT+5VT=1000
728 -* Example 4: Downlink Payload: 07020000  -> AT+5VT=0
729 -* Example 5: Downlink Payload: 070301F4  -> AT+12VT=500
730 -* Example 6: Downlink Payload: 07030000  -> AT+12VT=0
712 +* Example 1: Downlink Payload: 070101F4  **~-~-->**  AT+3V3T=500
713 +* Example 2: Downlink Payload: 0701FFFF   **~-~-->**  AT+3V3T=65535
714 +* Example 3: Downlink Payload: 070203E8  **~-~-->**  AT+5VT=1000
715 +* Example 4: Downlink Payload: 07020000  **~-~-->**  AT+5VT=0
716 +* Example 5: Downlink Payload: 070301F4  **~-~-->**  AT+12VT=500
717 +* Example 6: Downlink Payload: 07030000  **~-~-->**  AT+12VT=0
731 731  
719 +
732 732  == 3.4 Set the Probe Model ==
733 733  
734 734  
735 735  (% style="color:blue" %)**AT Command: AT** **+PROBE**
736 736  
737 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
738 -|(% style="width:157px" %)**Command Example**|(% style="width:267px" %)**Function**|**Response**
739 -|(% style="width:157px" %)AT +PROBE =?|(% style="width:267px" %)Get or Set the probe model.|(((
725 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:448px" %)
726 +|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 204px;" %)**Function**|=(% style="width: 85px;" %)**Response**
727 +|(% style="width:154px" %)AT +PROBE =?|(% style="width:204px" %)Get or Set the probe model.|(% style="width:85px" %)(((
740 740  0
741 -
742 742  OK
743 743  )))
744 -|(% style="width:157px" %)AT +PROBE =0003|(% style="width:267px" %)Set water depth sensor mode, 3m type.|OK
745 -|(% style="width:157px" %)AT +PROBE =0101|(% style="width:267px" %)Set pressure transmitters mode, first type.|(((
731 +|(% style="width:154px" %)AT +PROBE =0003|(% style="width:204px" %)Set water depth sensor mode, 3m type.|(% style="width:85px" %)OK
732 +|(% style="width:154px" %)AT +PROBE =0101|(% style="width:204px" %)Set pressure transmitters mode, first type.|(% style="width:85px" %)(((
746 746  OK
747 -
748 -
749 749  )))
750 -|(% style="width:157px" %)AT +PROBE =0000|(% style="width:267px" %)Initial state, no settings.|(((
735 +|(% style="width:154px" %)AT +PROBE =0000|(% style="width:204px" %)Initial state, no settings.|(% style="width:85px" %)(((
751 751  OK
752 -
753 -
754 754  )))
755 755  
756 756  (% style="color:blue" %)**Downlink Command: 0x08**
... ... @@ -757,9 +757,10 @@
757 757  
758 758  Format: Command Code (0x08) followed by 2 bytes.
759 759  
760 -* Example 1: Downlink Payload: 080003  -> AT+PROBE=0003
761 -* Example 2: Downlink Payload: 080101  -> AT+PROBE=0101
743 +* Example 1: Downlink Payload: 080003  **~-~-->**  AT+PROBE=0003
744 +* Example 2: Downlink Payload: 080101  **~-~-->**  AT+PROBE=0101
762 762  
746 +
763 763  = 4. Battery & how to replace =
764 764  
765 765  == 4.1 Battery Type ==
... ... @@ -791,15 +791,10 @@
791 791  
792 792  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.
793 793  
794 -
795 795  Instruction to use as below:
796 796  
780 +(% style="color:blue" %)**Step 1:**(%%) Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0>>https://www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0]]
797 797  
798 -(% style="color:blue" %)**Step 1:**(%%) Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
799 -
800 -[[https:~~/~~/www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0>>https://www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0]]
801 -
802 -
803 803  (% style="color:blue" %)**Step 2:**(%%) Open it and choose
804 804  
805 805  * Product Model
... ... @@ -893,6 +893,7 @@
893 893  * Package Size / pcs : cm
894 894  * Weight / pcs : g
895 895  
875 +
896 896  = 10. Support =
897 897  
898 898  
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900 900  
901 901  * 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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