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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 77.3
edited by Xiaoling
on 2022/06/10 08:37
Change comment: There is no comment for this version
To version 66.18
edited by Xiaoling
on 2022/05/24 13:50
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,15 +11,12 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23 23  )))
24 24  
25 25  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31 31  )))
32 32  
33 33  (((
... ... @@ -44,126 +44,48 @@
44 44  
45 45  (((
46 46  [[image:1653295757274-912.png]]
47 -
48 -
49 49  )))
50 50  
51 51  == 1.2  Specifications ==
52 52  
53 -(((
54 -
55 -
56 56  **Hardware System:**
57 -)))
58 58  
59 -* (((
60 -STM32L072CZT6 MCU
61 -)))
62 -* (((
63 -SX1276/78 Wireless Chip 
64 -)))
65 -* (((
66 -(((
67 -Power Consumption:
68 -)))
50 +* STM32L072CZT6 MCU
51 +* SX1276/78 Wireless Chip 
52 +* Power Consumption:
53 +** Idle: 4mA@12v
54 +** 20dB Transmit: 34mA@12v
69 69  
70 -* (((
71 -Idle: 4mA@12v
72 -)))
73 -* (((
74 -20dB Transmit: 34mA@12v
75 -)))
76 -)))
77 -
78 -
79 -(((
80 80  **Interface for Model: LT22222-L:**
81 -)))
82 82  
83 -* (((
84 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
85 -)))
86 -* (((
87 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
88 -)))
89 -* (((
90 -2 x Relay Output (5A@250VAC / 30VDC)
91 -)))
92 -* (((
93 -2 x 0~~20mA Analog Input (res:0.01mA)
94 -)))
95 -* (((
96 -2 x 0~~30V Analog Input (res:0.01v)
97 -)))
98 -* (((
99 -Power Input 7~~ 24V DC. 
100 -)))
58 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 +* 2 x Relay Output (5A@250VAC / 30VDC)
61 +* 2 x 0~~20mA Analog Input (res:0.01mA)
62 +* 2 x 0~~30V Analog Input (res:0.01v)
63 +* Power Input 7~~ 24V DC. 
101 101  
102 -
103 -(((
104 104  **LoRa Spec:**
105 -)))
106 106  
107 -* (((
108 -(((
109 -Frequency Range:
110 -)))
67 +* Frequency Range:
68 +** Band 1 (HF): 862 ~~ 1020 Mhz
69 +** Band 2 (LF): 410 ~~ 528 Mhz
70 +* 168 dB maximum link budget.
71 +* +20 dBm - 100 mW constant RF output vs.
72 +* +14 dBm high efficiency PA.
73 +* Programmable bit rate up to 300 kbps.
74 +* High sensitivity: down to -148 dBm.
75 +* Bullet-proof front end: IIP3 = -12.5 dBm.
76 +* Excellent blocking immunity.
77 +* Low RX current of 10.3 mA, 200 nA register retention.
78 +* Fully integrated synthesizer with a resolution of 61 Hz.
79 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 +* Built-in bit synchronizer for clock recovery.
81 +* Preamble detection.
82 +* 127 dB Dynamic Range RSSI.
83 +* Automatic RF Sense and CAD with ultra-fast AFC.
84 +* Packet engine up to 256 bytes with CRC.
111 111  
112 -* (((
113 -Band 1 (HF): 862 ~~ 1020 Mhz
114 -)))
115 -* (((
116 -Band 2 (LF): 410 ~~ 528 Mhz
117 -)))
118 -)))
119 -* (((
120 -168 dB maximum link budget.
121 -)))
122 -* (((
123 -+20 dBm - 100 mW constant RF output vs.
124 -)))
125 -* (((
126 -+14 dBm high efficiency PA.
127 -)))
128 -* (((
129 -Programmable bit rate up to 300 kbps.
130 -)))
131 -* (((
132 -High sensitivity: down to -148 dBm.
133 -)))
134 -* (((
135 -Bullet-proof front end: IIP3 = -12.5 dBm.
136 -)))
137 -* (((
138 -Excellent blocking immunity.
139 -)))
140 -* (((
141 -Low RX current of 10.3 mA, 200 nA register retention.
142 -)))
143 -* (((
144 -Fully integrated synthesizer with a resolution of 61 Hz.
145 -)))
146 -* (((
147 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
148 -)))
149 -* (((
150 -Built-in bit synchronizer for clock recovery.
151 -)))
152 -* (((
153 -Preamble detection.
154 -)))
155 -* (((
156 -127 dB Dynamic Range RSSI.
157 -)))
158 -* (((
159 -Automatic RF Sense and CAD with ultra-fast AFC.
160 -)))
161 -* (((
162 -Packet engine up to 256 bytes with CRC.
163 -
164 -
165 -)))
166 -
167 167  == 1.3 Features ==
168 168  
169 169  * LoRaWAN Class A & Class C protocol
... ... @@ -206,29 +206,21 @@
206 206  
207 207  [[image:1653297104069-180.png]]
208 208  
209 -
210 210  = 3. Operation Mode =
211 211  
212 212  == 3.1 How it works? ==
213 213  
214 -(((
215 215  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
216 -)))
217 217  
218 -(((
219 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
134 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
220 220  
221 -
222 -)))
136 +3.2 Example to join LoRaWAN network
223 223  
224 -== 3.2 Example to join LoRaWAN network ==
225 -
226 -(((
227 227  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
228 -)))
229 229  
230 230  [[image:image-20220523172350-1.png||height="266" width="864"]]
231 231  
142 +
232 232  (((
233 233  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
234 234  )))
... ... @@ -249,12 +249,10 @@
249 249  
250 250  [[image:1653297955910-247.png||height="321" width="716"]]
251 251  
252 -
253 253  Add APP KEY and DEV EUI
254 254  
255 255  [[image:1653298023685-319.png]]
256 256  
257 -
258 258  (((
259 259  **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
260 260  )))
... ... @@ -261,7 +261,6 @@
261 261  
262 262  [[image:1653298044601-602.png||height="405" width="709"]]
263 263  
264 -
265 265  == 3.3 Uplink Payload ==
266 266  
267 267  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -327,9 +327,7 @@
327 327  
328 328  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
329 329  
330 -(((
331 331  Total : 11 bytes payload
332 -)))
333 333  
334 334  [[image:image-20220523180452-3.png]]
335 335  
... ... @@ -343,79 +343,54 @@
343 343  * FIRST: Indicate this is the first packet after join network.
344 344  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
345 345  
346 -(((
347 347  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
348 -)))
349 349  
350 -(((
351 351  **To use counting mode, please run:**
352 -)))
353 353  
354 354  (% class="box infomessage" %)
355 355  (((
356 -(((
357 357  **AT+MOD=2**
358 358  )))
359 -)))
360 360  
361 361  (% class="box infomessage" %)
362 362  (((
363 -(((
364 364  **ATZ**
365 365  )))
366 -)))
367 367  
368 -(((
369 369  (% style="color:#4f81bd" %)**AT Commands for counting:**
370 -)))
371 371  
372 -(((
373 373  **For LT22222-L:**
374 -)))
375 375  
376 376  (% class="box infomessage" %)
377 377  (((
378 -(((
379 379  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
380 380  )))
381 -)))
382 382  
383 383  (% class="box infomessage" %)
384 384  (((
385 -(((
386 386  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
387 387  )))
388 -)))
389 389  
390 390  (% class="box infomessage" %)
391 391  (((
392 -(((
393 393  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
394 394  )))
395 -)))
396 396  
397 397  (% class="box infomessage" %)
398 398  (((
399 -(((
400 400  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
401 401  )))
402 -)))
403 403  
404 404  (% class="box infomessage" %)
405 405  (((
406 -(((
407 407  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
408 408  )))
409 -)))
410 410  
411 411  (% class="box infomessage" %)
412 412  (((
413 -(((
414 414  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
415 415  )))
416 -)))
417 417  
418 -
419 419  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
420 420  
421 421  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -432,34 +432,22 @@
432 432  * FIRST: Indicate this is the first packet after join network.
433 433  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
434 434  
435 -(((
436 436  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
437 -)))
438 438  
439 -(((
440 440  **To use counting mode, please run:**
441 -)))
442 442  
443 443  (% class="box infomessage" %)
444 444  (((
445 -(((
446 446  **AT+MOD=3**
447 447  )))
448 -)))
449 449  
450 450  (% class="box infomessage" %)
451 451  (((
452 -(((
453 453  **ATZ**
454 454  )))
455 -)))
456 456  
457 -(((
458 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
459 459  
460 -
461 -)))
462 -
463 463  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
464 464  
465 465  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -478,69 +478,45 @@
478 478  * FIRST: Indicate this is the first packet after join network.
479 479  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
480 480  
481 -(((
482 482  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
483 -)))
484 484  
485 -(((
486 486  **To use this mode, please run:**
487 -)))
488 488  
489 489  (% class="box infomessage" %)
490 490  (((
491 -(((
492 492  **AT+MOD=4**
493 493  )))
494 -)))
495 495  
496 496  (% class="box infomessage" %)
497 497  (((
498 -(((
499 499  **ATZ**
500 500  )))
501 -)))
502 502  
503 -(((
504 -
505 -)))
506 506  
507 -(((
508 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
509 -)))
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
510 510  
511 -(((
512 512  **Plus below command for AVI1 Counting:**
513 -)))
514 514  
515 515  (% class="box infomessage" %)
516 516  (((
517 -(((
518 518  **AT+SETCNT=3,60   (set AVI Count to 60)**
519 519  )))
520 -)))
521 521  
522 522  (% class="box infomessage" %)
523 523  (((
524 -(((
525 525  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
526 526  )))
527 -)))
528 528  
529 529  (% class="box infomessage" %)
530 530  (((
531 -(((
532 532  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
533 533  )))
534 -)))
535 535  
536 536  (% class="box infomessage" %)
537 537  (((
538 -(((
539 539  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
540 540  )))
541 -)))
542 542  
543 -
544 544  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
545 545  
546 546  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -553,38 +553,24 @@
553 553  
554 554  * RO is for relay. ROx=1 : close，ROx=0 always open.
555 555  * FIRST: Indicate this is the first packet after join network.
556 -* (((
557 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
558 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
559 559  
560 -(((
561 561  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
562 -)))
563 563  
564 -(((
565 565  **To use this mode, please run:**
566 -)))
567 567  
568 568  (% class="box infomessage" %)
569 569  (((
570 -(((
571 571  **AT+MOD=5**
572 572  )))
573 -)))
574 574  
575 575  (% class="box infomessage" %)
576 576  (((
577 -(((
578 578  **ATZ**
579 579  )))
580 -)))
581 581  
582 -(((
583 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
584 584  
585 -
586 -)))
587 -
588 588  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
589 589  
590 590  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -611,7 +611,6 @@
611 611  
612 612  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
613 613  
614 -
615 615  (% style="color:#4f81bd" %)**Trigger base on current**:
616 616  
617 617  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -620,7 +620,6 @@
620 620  
621 621  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
622 622  
623 -
624 624  (% style="color:#4f81bd" %)**Trigger base on DI status**:
625 625  
626 626  DI status trigger Flag.
... ... @@ -707,13 +707,10 @@
707 707  
708 708  When device got this command, it will send the MOD6 payload.
709 709  
710 -
711 711  === 3.3.7 Payload Decoder ===
712 712  
713 713  (((
714 714  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
715 -
716 -
717 717  )))
718 718  
719 719  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -724,15 +724,14 @@
724 724  There are two kinds of Commands:
725 725  )))
726 726  
727 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
553 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
728 728  
729 729  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
730 730  
731 731  === 3.4.1 Common Commands ===
732 732  
733 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
559 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
734 734  
735 -
736 736  === 3.4.2 Sensor related commands ===
737 737  
738 738  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -755,7 +755,6 @@
755 755  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
756 756  )))
757 757  
758 -
759 759  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
760 760  
761 761  Set work mode.
... ... @@ -776,7 +776,6 @@
776 776  **0x0A aa     ~/~/ Same as AT+MOD=aa**
777 777  )))
778 778  
779 -
780 780  ==== 3.4.2.3 Poll an uplink ====
781 781  
782 782  * AT Command:
... ... @@ -792,10 +792,9 @@
792 792  
793 793  **Example**: 0x08FF, ask device to send an Uplink
794 794  
795 -
796 796  ==== 3.4.2.4 Enable Trigger Mode ====
797 797  
798 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
620 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
799 799  
800 800  * AT Command:
801 801  
... ... @@ -815,7 +815,6 @@
815 815  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
816 816  )))
817 817  
818 -
819 819  ==== 3.4.2.5 Poll trigger settings ====
820 820  
821 821  Poll trigger settings,
... ... @@ -831,7 +831,6 @@
831 831  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
832 832  )))
833 833  
834 -
835 835  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
836 836  
837 837  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -854,7 +854,6 @@
854 854  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
855 855  )))
856 856  
857 -
858 858  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
859 859  
860 860  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -881,7 +881,6 @@
881 881  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
882 882  )))
883 883  
884 -
885 885  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
886 886  
887 887  Set DI2 trigger.
... ... @@ -908,10 +908,9 @@
908 908  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
909 909  )))
910 910  
911 -
912 912  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
913 913  
914 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
731 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
915 915  
916 916  * AT Command:
917 917  
... ... @@ -924,19 +924,18 @@
924 924  
925 925  (% class="box infomessage" %)
926 926  (((
927 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
744 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
928 928  )))
929 929  
930 -
931 931  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
932 932  
933 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
749 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
934 934  
935 935  * AT Command:
936 936  
937 937  (% class="box infomessage" %)
938 938  (((
939 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
755 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
940 940  )))
941 941  
942 942  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -943,10 +943,9 @@
943 943  
944 944  (% class="box infomessage" %)
945 945  (((
946 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
762 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
947 947  )))
948 948  
949 -
950 950  ==== 3.4.2.11 Trigger – Set minimum interval ====
951 951  
952 952  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -965,7 +965,6 @@
965 965  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
966 966  )))
967 967  
968 -
969 969  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
970 970  
971 971  * AT Command:
... ... @@ -1008,10 +1008,8 @@
1008 1008  
1009 1009  (% class="box infomessage" %)
1010 1010  (((
1011 -(((
1012 1012  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1013 1013  )))
1014 -)))
1015 1015  
1016 1016  This is to control the digital output time of DO pin. Include four bytes:
1017 1017  
... ... @@ -1140,13 +1140,13 @@
1140 1140  
1141 1141  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1142 1142  
1143 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
955 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1144 1144  
1145 1145  * AT Command:
1146 1146  
1147 1147  (% class="box infomessage" %)
1148 1148  (((
1149 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
961 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1150 1150  )))
1151 1151  
1152 1152  * Downlink Payload (prefix 0xA5):
... ... @@ -1156,7 +1156,6 @@
1156 1156  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1157 1157  )))
1158 1158  
1159 -
1160 1160  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1161 1161  
1162 1162  * AT Command:
... ... @@ -1181,7 +1181,6 @@
1181 1181  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1182 1182  )))
1183 1183  
1184 -
1185 1185  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1186 1186  
1187 1187  Clear counting for counting mode
... ... @@ -1200,7 +1200,6 @@
1200 1200  **0x A6 01     ~/~/ clear all counting,**
1201 1201  )))
1202 1202  
1203 -
1204 1204  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1205 1205  
1206 1206  * AT Command:
... ... @@ -1217,31 +1217,23 @@
1217 1217  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1218 1218  )))
1219 1219  
1220 -(((
1221 1221  range: aa bb cc:0 to 16777215,  (unit:second)
1222 1222  
1223 -
1224 -)))
1225 -
1226 1226  == 3.5 Integrate with Mydevice ==
1227 1227  
1228 1228  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1229 1229  
1230 -(((
1231 1231  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1232 -)))
1233 1233  
1234 -(((
1235 1235  **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1236 -)))
1237 1237  
1238 1238  [[image:1653356737703-362.png||height="232" width="732"]]
1239 1239  
1240 1240  [[image:image-20220524094641-11.png||height="390" width="723"]]
1241 1241  
1043 +
1242 1242  [[image:image-20220524094641-12.png||height="402" width="718"]]
1243 1243  
1244 -
1245 1245  **Step 3**: Create an account or log in Mydevices.
1246 1246  
1247 1247  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1250,7 +1250,6 @@
1250 1250  
1251 1251  [[image:1653356838789-523.png||height="337" width="740"]]
1252 1252  
1253 -
1254 1254  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1255 1255  
1256 1256  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1263,7 +1263,6 @@
1263 1263  
1264 1264  [[image:image-20220524094909-5.png||height="341" width="734"]]
1265 1265  
1266 -
1267 1267  == 3.6 Interface Detail ==
1268 1268  
1269 1269  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1272,7 +1272,6 @@
1272 1272  
1273 1273  [[image:1653356991268-289.png]]
1274 1274  
1275 -
1276 1276  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1277 1277  
1278 1278  (((
... ... @@ -1288,105 +1288,51 @@
1288 1288  [[image:1653357170703-587.png]]
1289 1289  
1290 1290  (((
1291 -(((
1292 1292  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1293 1293  )))
1294 -)))
1295 1295  
1296 -(((
1297 -
1298 -)))
1299 1299  
1300 -(((
1301 1301  **Example1**: Connect to a Low active sensor.
1302 -)))
1303 1303  
1304 -(((
1305 1305  This type of sensor will output a low signal GND when active.
1306 -)))
1307 1307  
1308 -* (((
1309 -Connect sensor’s output to DI1-
1310 -)))
1311 -* (((
1312 -Connect sensor’s VCC to DI1+.
1313 -)))
1097 +* Connect sensor’s output to DI1-
1098 +* Connect sensor’s VCC to DI1+.
1314 1314  
1315 -(((
1316 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1317 -)))
1100 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1318 1318  
1319 -(((
1320 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1321 -)))
1102 + //IF// = DI1+ / 1K.
1322 1322  
1323 -(((
1324 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1325 -)))
1104 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1326 1326  
1327 -(((
1328 -
1329 -)))
1330 1330  
1331 -(((
1332 1332  **Example2**: Connect to a High active sensor.
1333 -)))
1334 1334  
1335 -(((
1336 1336  This type of sensor will output a high signal (example 24v) when active.
1337 -)))
1338 1338  
1339 -* (((
1340 -Connect sensor’s output to DI1+
1341 -)))
1342 -* (((
1343 -Connect sensor’s GND DI1-.
1344 -)))
1111 +* Connect sensor’s output to DI1+
1112 +* Connect sensor’s GND DI1-.
1345 1345  
1346 -(((
1347 1347  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1348 -)))
1349 1349  
1350 -(((
1351 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1352 -)))
1116 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1353 1353  
1354 -(((
1355 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1356 -)))
1118 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1357 1357  
1358 -(((
1359 -
1360 -)))
1361 1361  
1362 -(((
1363 1363  **Example3**: Connect to a 220v high active sensor.
1364 -)))
1365 1365  
1366 -(((
1367 1367  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1368 -)))
1369 1369  
1370 -* (((
1371 -Connect sensor’s output to DI1+ with a serial 50K resistor
1372 -)))
1373 -* (((
1374 -Connect sensor’s GND DI1-.
1375 -)))
1125 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1126 +* Connect sensor’s GND DI1-.
1376 1376  
1377 -(((
1378 1378  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1379 -)))
1380 1380  
1381 -(((
1382 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1383 -)))
1130 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1384 1384  
1385 -(((
1386 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1387 -)))
1132 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1388 1388  
1389 -
1390 1390  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1391 1391  
1392 1392  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1393,7 +1393,6 @@
1393 1393  
1394 1394  [[image:1653357531600-905.png]]
1395 1395  
1396 -
1397 1397  === 3.6.4 Analog Input Interface ===
1398 1398  
1399 1399  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1421,7 +1421,6 @@
1421 1421  
1422 1422  [[image:1653357648330-671.png||height="155" width="733"]]
1423 1423  
1424 -
1425 1425  === 3.6.5 Relay Output ===
1426 1426  
1427 1427  (((
... ... @@ -1432,12 +1432,10 @@
1432 1432  
1433 1433  [[image:image-20220524100215-10.png||height="382" width="723"]]
1434 1434  
1435 -
1436 1436  == 3.7 LEDs Indicators ==
1437 1437  
1438 1438  [[image:image-20220524100748-11.png]]
1439 1439  
1440 -
1441 1441  = 4. Use AT Command =
1442 1442  
1443 1443  == 4.1 Access AT Command ==
... ... @@ -1446,15 +1446,11 @@
1446 1446  
1447 1447  [[image:1653358238933-385.png]]
1448 1448  
1449 -(((
1450 1450  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1451 -)))
1452 1452  
1453 1453  [[image:1653358355238-883.png]]
1454 1454  
1455 -(((
1456 1456  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1457 -)))
1458 1458  
1459 1459  (((
1460 1460  AT+<CMD>?        : Help on <CMD>
... ... @@ -1638,8 +1638,6 @@
1638 1638  
1639 1639  (((
1640 1640  AT+CFG: Print all settings
1641 -
1642 -
1643 1643  )))
1644 1644  
1645 1645  == 4.2 Common AT Command Sequence ==
... ... @@ -1681,8 +1681,6 @@
1681 1681  
1682 1682  (((
1683 1683  (% style="background-color:#dcdcdc" %)ATZ
1684 -
1685 -
1686 1686  )))
1687 1687  
1688 1688  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1764,7 +1764,6 @@
1764 1764  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1765 1765  ATZ
1766 1766  
1767 -
1768 1768  = 5. FAQ =
1769 1769  
1770 1770  == 5.1 How to upgrade the image? ==
... ... @@ -1777,13 +1777,11 @@
1777 1777  Below shows the hardware connection for how to upload an image to the LT:
1778 1778  * [[image:1653359603330-121.png]]
1779 1779  
1780 -(((
1781 1781  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1782 1782  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1783 1783  **Step3: **Open flashloader; choose the correct COM port to update.
1784 1784  **For LT-22222-L**:
1785 1785  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1786 -)))
1787 1787  
1788 1788   [[image:image-20220524103407-12.png]]
1789 1789  
... ... @@ -1795,7 +1795,6 @@
1795 1795  
1796 1796  [[image:1653360054704-518.png||height="186" width="745"]]
1797 1797  
1798 -
1799 1799  (((
1800 1800  (((
1801 1801  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1803,9 +1803,7 @@
1803 1803  )))
1804 1804  
1805 1805  (((
1806 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1807 -
1808 -
1534 +User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1809 1809  )))
1810 1810  
1811 1811  (((
... ... @@ -1832,15 +1832,10 @@
1832 1832  [[image:1653360231087-571.png||height="401" width="727"]]
1833 1833  )))
1834 1834  
1835 -(((
1836 1836  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1837 -)))
1838 1838  
1839 -(((
1840 1840  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1841 -)))
1842 1842  
1843 -(((
1844 1844  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1845 1845  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1846 1846  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1851,30 +1851,19 @@
1851 1851  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1852 1852  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1853 1853  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1854 -)))
1855 1855  
1856 -(((
1857 1857  As shown in below:
1858 -)))
1859 1859  
1860 1860  [[image:1653360498588-932.png||height="485" width="726"]]
1861 1861  
1862 -
1863 1863  == 5.4 Can I see counting event in Serial? ==
1864 1864  
1865 1865  (((
1866 1866  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1867 -
1868 -
1869 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1870 -
1871 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1872 -
1873 -
1874 1874  )))
1875 1875  
1876 1876  (((
1877 -= 6. Trouble Shooting =
1587 += 6. Trouble Shooting  =
1878 1878  )))
1879 1879  
1880 1880  (((
... ... @@ -1884,21 +1884,25 @@
1884 1884  )))
1885 1885  
1886 1886  (((
1887 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1597 +Please see this link for how to debug:
1888 1888  
1889 -
1599 +[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1890 1890  )))
1891 1891  
1892 1892  (((
1603 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1604 +)))
1605 +
1606 +(((
1893 1893  == 6.2 Have trouble to upload image. ==
1894 1894  )))
1895 1895  
1896 1896  (((
1897 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1611 +See this link for trouble shooting:
1898 1898  )))
1899 1899  
1900 1900  (((
1901 -
1615 +[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1902 1902  )))
1903 1903  
1904 1904  (((
... ... @@ -1906,11 +1906,11 @@
1906 1906  )))
1907 1907  
1908 1908  (((
1909 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1623 +It might be about the channels mapping. Please see this link for detail:
1910 1910  )))
1911 1911  
1912 1912  (((
1913 -
1627 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1914 1914  )))
1915 1915  
1916 1916  (((
... ... @@ -1929,61 +1929,34 @@
1929 1929  )))
1930 1930  )))
1931 1931  
1932 -(((
1933 1933  * (((
1934 1934  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1935 1935  )))
1936 -)))
1937 -
1938 -(((
1939 1939  * (((
1940 1940  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1941 1941  )))
1942 -)))
1943 -
1944 -(((
1945 1945  * (((
1946 1946  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1947 1947  )))
1948 -)))
1949 -
1950 -(((
1951 1951  * (((
1952 1952  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1953 1953  )))
1954 -)))
1955 -
1956 -(((
1957 1957  * (((
1958 1958  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1959 1959  )))
1960 -)))
1961 -
1962 -(((
1963 1963  * (((
1964 1964  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1965 1965  )))
1966 -)))
1967 -
1968 -(((
1969 1969  * (((
1970 1970  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1971 1971  )))
1972 -)))
1973 -
1974 -(((
1975 1975  * (((
1976 1976  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1977 1977  )))
1978 -)))
1979 1979  
1980 1980  (((
1981 -* (((
1982 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1672 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1983 1983  
1984 -
1985 -)))
1986 -
1987 1987  = 8. Packing Info =
1988 1988  )))
1989 1989  
... ... @@ -2014,8 +2014,6 @@
2014 2014  * Device Weight: 105g
2015 2015  * Package Size / pcs : 14.5 x 8 x 5 cm
2016 2016  * Weight / pcs : 170g
2017 -
2018 -
2019 2019  )))
2020 2020  )))
2021 2021  
... ... @@ -2037,8 +2037,6 @@
2037 2037  (((
2038 2038  (((
2039 2039   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2040 -
2041 -
2042 2042  )))
2043 2043  
2044 2044  (((
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