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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 77.5
edited by Xiaoling
on 2022/06/10 08:38
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

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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  (((
... ... @@ -44,128 +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 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -212,29 +212,21 @@
212 212  
213 213  [[image:1653297104069-180.png]]
214 214  
215 -
216 216  = 3. Operation Mode =
217 217  
218 218  == 3.1 How it works? ==
219 219  
220 -(((
221 221  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. 
222 -)))
223 223  
224 -(((
225 -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.
226 226  
227 -
228 -)))
136 +3.2 Example to join LoRaWAN network
229 229  
230 -== 3.2 Example to join LoRaWAN network ==
231 -
232 -(((
233 233  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. 
234 -)))
235 235  
236 236  [[image:image-20220523172350-1.png||height="266" width="864"]]
237 237  
142 +
238 238  (((
239 239  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:
240 240  )))
... ... @@ -255,12 +255,10 @@
255 255  
256 256  [[image:1653297955910-247.png||height="321" width="716"]]
257 257  
258 -
259 259  Add APP KEY and DEV EUI
260 260  
261 261  [[image:1653298023685-319.png]]
262 262  
263 -
264 264  (((
265 265  **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.
266 266  )))
... ... @@ -267,7 +267,6 @@
267 267  
268 268  [[image:1653298044601-602.png||height="405" width="709"]]
269 269  
270 -
271 271  == 3.3 Uplink Payload ==
272 272  
273 273  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -333,9 +333,7 @@
333 333  
334 334  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
335 335  
336 -(((
337 337  Total : 11 bytes payload
338 -)))
339 339  
340 340  [[image:image-20220523180452-3.png]]
341 341  
... ... @@ -349,79 +349,54 @@
349 349  * FIRST: Indicate this is the first packet after join network.
350 350  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
351 351  
352 -(((
353 353  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
354 -)))
355 355  
356 -(((
357 357  **To use counting mode, please run:**
358 -)))
359 359  
360 360  (% class="box infomessage" %)
361 361  (((
362 -(((
363 363  **AT+MOD=2**
364 364  )))
365 -)))
366 366  
367 367  (% class="box infomessage" %)
368 368  (((
369 -(((
370 370  **ATZ**
371 371  )))
372 -)))
373 373  
374 -(((
375 375  (% style="color:#4f81bd" %)**AT Commands for counting:**
376 -)))
377 377  
378 -(((
379 379  **For LT22222-L:**
380 -)))
381 381  
382 382  (% class="box infomessage" %)
383 383  (((
384 -(((
385 385  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
386 386  )))
387 -)))
388 388  
389 389  (% class="box infomessage" %)
390 390  (((
391 -(((
392 392  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
393 393  )))
394 -)))
395 395  
396 396  (% class="box infomessage" %)
397 397  (((
398 -(((
399 399  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
400 400  )))
401 -)))
402 402  
403 403  (% class="box infomessage" %)
404 404  (((
405 -(((
406 406  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
407 407  )))
408 -)))
409 409  
410 410  (% class="box infomessage" %)
411 411  (((
412 -(((
413 413  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
414 414  )))
415 -)))
416 416  
417 417  (% class="box infomessage" %)
418 418  (((
419 -(((
420 420  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
421 421  )))
422 -)))
423 423  
424 -
425 425  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
426 426  
427 427  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -438,34 +438,22 @@
438 438  * FIRST: Indicate this is the first packet after join network.
439 439  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
440 440  
441 -(((
442 442  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
443 -)))
444 444  
445 -(((
446 446  **To use counting mode, please run:**
447 -)))
448 448  
449 449  (% class="box infomessage" %)
450 450  (((
451 -(((
452 452  **AT+MOD=3**
453 453  )))
454 -)))
455 455  
456 456  (% class="box infomessage" %)
457 457  (((
458 -(((
459 459  **ATZ**
460 460  )))
461 -)))
462 462  
463 -(((
464 -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]].
465 465  
466 -
467 -)))
468 -
469 469  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
470 470  
471 471  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -484,69 +484,45 @@
484 484  * FIRST: Indicate this is the first packet after join network.
485 485  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
486 486  
487 -(((
488 488  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
489 -)))
490 490  
491 -(((
492 492  **To use this mode, please run:**
493 -)))
494 494  
495 495  (% class="box infomessage" %)
496 496  (((
497 -(((
498 498  **AT+MOD=4**
499 499  )))
500 -)))
501 501  
502 502  (% class="box infomessage" %)
503 503  (((
504 -(((
505 505  **ATZ**
506 506  )))
507 -)))
508 508  
509 -(((
510 -
511 -)))
512 512  
513 -(((
514 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
515 -)))
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]].
516 516  
517 -(((
518 518  **Plus below command for AVI1 Counting:**
519 -)))
520 520  
521 521  (% class="box infomessage" %)
522 522  (((
523 -(((
524 524  **AT+SETCNT=3,60   (set AVI Count to 60)**
525 525  )))
526 -)))
527 527  
528 528  (% class="box infomessage" %)
529 529  (((
530 -(((
531 531  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
532 532  )))
533 -)))
534 534  
535 535  (% class="box infomessage" %)
536 536  (((
537 -(((
538 538  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
539 539  )))
540 -)))
541 541  
542 542  (% class="box infomessage" %)
543 543  (((
544 -(((
545 545  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
546 546  )))
547 -)))
548 548  
549 -
550 550  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
551 551  
552 552  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -559,38 +559,24 @@
559 559  
560 560  * RO is for relay. ROx=1 : close，ROx=0 always open.
561 561  * FIRST: Indicate this is the first packet after join network.
562 -* (((
563 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
564 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
565 565  
566 -(((
567 567  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
568 -)))
569 569  
570 -(((
571 571  **To use this mode, please run:**
572 -)))
573 573  
574 574  (% class="box infomessage" %)
575 575  (((
576 -(((
577 577  **AT+MOD=5**
578 578  )))
579 -)))
580 580  
581 581  (% class="box infomessage" %)
582 582  (((
583 -(((
584 584  **ATZ**
585 585  )))
586 -)))
587 587  
588 -(((
589 -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]].
590 590  
591 -
592 -)))
593 -
594 594  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
595 595  
596 596  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -617,7 +617,6 @@
617 617  
618 618  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
619 619  
620 -
621 621  (% style="color:#4f81bd" %)**Trigger base on current**:
622 622  
623 623  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -626,7 +626,6 @@
626 626  
627 627  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
628 628  
629 -
630 630  (% style="color:#4f81bd" %)**Trigger base on DI status**:
631 631  
632 632  DI status trigger Flag.
... ... @@ -713,13 +713,10 @@
713 713  
714 714  When device got this command, it will send the MOD6 payload.
715 715  
716 -
717 717  === 3.3.7 Payload Decoder ===
718 718  
719 719  (((
720 720  **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/]]
721 -
722 -
723 723  )))
724 724  
725 725  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -730,15 +730,14 @@
730 730  There are two kinds of Commands:
731 731  )))
732 732  
733 -* (% 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
734 734  
735 735  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
736 736  
737 737  === 3.4.1 Common Commands ===
738 738  
739 -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/]]
740 740  
741 -
742 742  === 3.4.2 Sensor related commands ===
743 743  
744 744  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -761,7 +761,6 @@
761 761  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
762 762  )))
763 763  
764 -
765 765  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
766 766  
767 767  Set work mode.
... ... @@ -782,7 +782,6 @@
782 782  **0x0A aa     ~/~/ Same as AT+MOD=aa**
783 783  )))
784 784  
785 -
786 786  ==== 3.4.2.3 Poll an uplink ====
787 787  
788 788  * AT Command:
... ... @@ -798,10 +798,9 @@
798 798  
799 799  **Example**: 0x08FF, ask device to send an Uplink
800 800  
801 -
802 802  ==== 3.4.2.4 Enable Trigger Mode ====
803 803  
804 -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]]
805 805  
806 806  * AT Command:
807 807  
... ... @@ -821,7 +821,6 @@
821 821  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
822 822  )))
823 823  
824 -
825 825  ==== 3.4.2.5 Poll trigger settings ====
826 826  
827 827  Poll trigger settings,
... ... @@ -837,7 +837,6 @@
837 837  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
838 838  )))
839 839  
840 -
841 841  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
842 842  
843 843  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -860,7 +860,6 @@
860 860  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
861 861  )))
862 862  
863 -
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
866 866  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -887,7 +887,6 @@
887 887  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
888 888  )))
889 889  
890 -
891 891  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
892 892  
893 893  Set DI2 trigger.
... ... @@ -914,10 +914,9 @@
914 914  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
915 915  )))
916 916  
917 -
918 918  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
919 919  
920 -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]]
921 921  
922 922  * AT Command:
923 923  
... ... @@ -930,19 +930,18 @@
930 930  
931 931  (% class="box infomessage" %)
932 932  (((
933 -**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]]**
934 934  )))
935 935  
936 -
937 937  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
938 938  
939 -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]]
940 940  
941 941  * AT Command:
942 942  
943 943  (% class="box infomessage" %)
944 944  (((
945 -**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]]**
946 946  )))
947 947  
948 948  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -949,10 +949,9 @@
949 949  
950 950  (% class="box infomessage" %)
951 951  (((
952 -**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]] **
953 953  )))
954 954  
955 -
956 956  ==== 3.4.2.11 Trigger – Set minimum interval ====
957 957  
958 958  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -971,7 +971,6 @@
971 971  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
972 972  )))
973 973  
974 -
975 975  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
976 976  
977 977  * AT Command:
... ... @@ -1014,10 +1014,8 @@
1014 1014  
1015 1015  (% class="box infomessage" %)
1016 1016  (((
1017 -(((
1018 1018  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1019 1019  )))
1020 -)))
1021 1021  
1022 1022  This is to control the digital output time of DO pin. Include four bytes:
1023 1023  
... ... @@ -1146,13 +1146,13 @@
1146 1146  
1147 1147  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1148 1148  
1149 -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]]
1150 1150  
1151 1151  * AT Command:
1152 1152  
1153 1153  (% class="box infomessage" %)
1154 1154  (((
1155 -**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]]**
1156 1156  )))
1157 1157  
1158 1158  * Downlink Payload (prefix 0xA5):
... ... @@ -1162,7 +1162,6 @@
1162 1162  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1163 1163  )))
1164 1164  
1165 -
1166 1166  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1167 1167  
1168 1168  * AT Command:
... ... @@ -1187,7 +1187,6 @@
1187 1187  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1188 1188  )))
1189 1189  
1190 -
1191 1191  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1192 1192  
1193 1193  Clear counting for counting mode
... ... @@ -1206,7 +1206,6 @@
1206 1206  **0x A6 01     ~/~/ clear all counting,**
1207 1207  )))
1208 1208  
1209 -
1210 1210  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1211 1211  
1212 1212  * AT Command:
... ... @@ -1223,31 +1223,23 @@
1223 1223  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1224 1224  )))
1225 1225  
1226 -(((
1227 1227  range: aa bb cc:0 to 16777215,  (unit:second)
1228 1228  
1229 -
1230 -)))
1231 -
1232 1232  == 3.5 Integrate with Mydevice ==
1233 1233  
1234 1234  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:
1235 1235  
1236 -(((
1237 1237  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1238 -)))
1239 1239  
1240 -(((
1241 1241  **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:
1242 -)))
1243 1243  
1244 1244  [[image:1653356737703-362.png||height="232" width="732"]]
1245 1245  
1246 1246  [[image:image-20220524094641-11.png||height="390" width="723"]]
1247 1247  
1043 +
1248 1248  [[image:image-20220524094641-12.png||height="402" width="718"]]
1249 1249  
1250 -
1251 1251  **Step 3**: Create an account or log in Mydevices.
1252 1252  
1253 1253  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1256,7 +1256,6 @@
1256 1256  
1257 1257  [[image:1653356838789-523.png||height="337" width="740"]]
1258 1258  
1259 -
1260 1260  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1261 1261  
1262 1262  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1269,7 +1269,6 @@
1269 1269  
1270 1270  [[image:image-20220524094909-5.png||height="341" width="734"]]
1271 1271  
1272 -
1273 1273  == 3.6 Interface Detail ==
1274 1274  
1275 1275  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1278,7 +1278,6 @@
1278 1278  
1279 1279  [[image:1653356991268-289.png]]
1280 1280  
1281 -
1282 1282  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1283 1283  
1284 1284  (((
... ... @@ -1294,105 +1294,51 @@
1294 1294  [[image:1653357170703-587.png]]
1295 1295  
1296 1296  (((
1297 -(((
1298 1298  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1299 1299  )))
1300 -)))
1301 1301  
1302 -(((
1303 -
1304 -)))
1305 1305  
1306 -(((
1307 1307  **Example1**: Connect to a Low active sensor.
1308 -)))
1309 1309  
1310 -(((
1311 1311  This type of sensor will output a low signal GND when active.
1312 -)))
1313 1313  
1314 -* (((
1315 -Connect sensor’s output to DI1-
1316 -)))
1317 -* (((
1318 -Connect sensor’s VCC to DI1+.
1319 -)))
1097 +* Connect sensor’s output to DI1-
1098 +* Connect sensor’s VCC to DI1+.
1320 1320  
1321 -(((
1322 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1323 -)))
1100 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1324 1324  
1325 -(((
1326 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1327 -)))
1102 + //IF// = DI1+ / 1K.
1328 1328  
1329 -(((
1330 -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.
1331 -)))
1104 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1332 1332  
1333 -(((
1334 -
1335 -)))
1336 1336  
1337 -(((
1338 1338  **Example2**: Connect to a High active sensor.
1339 -)))
1340 1340  
1341 -(((
1342 1342  This type of sensor will output a high signal (example 24v) when active.
1343 -)))
1344 1344  
1345 -* (((
1346 -Connect sensor’s output to DI1+
1347 -)))
1348 -* (((
1349 -Connect sensor’s GND DI1-.
1350 -)))
1111 +* Connect sensor’s output to DI1+
1112 +* Connect sensor’s GND DI1-.
1351 1351  
1352 -(((
1353 1353  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1354 -)))
1355 1355  
1356 -(((
1357 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1358 -)))
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.**
1359 1359  
1360 -(((
1361 -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.
1362 -)))
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.
1363 1363  
1364 -(((
1365 -
1366 -)))
1367 1367  
1368 -(((
1369 1369  **Example3**: Connect to a 220v high active sensor.
1370 -)))
1371 1371  
1372 -(((
1373 1373  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1374 -)))
1375 1375  
1376 -* (((
1377 -Connect sensor’s output to DI1+ with a serial 50K resistor
1378 -)))
1379 -* (((
1380 -Connect sensor’s GND DI1-.
1381 -)))
1125 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1126 +* Connect sensor’s GND DI1-.
1382 1382  
1383 -(((
1384 1384  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1385 -)))
1386 1386  
1387 -(((
1388 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1389 -)))
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.**
1390 1390  
1391 -(((
1392 -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.
1393 -)))
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.
1394 1394  
1395 -
1396 1396  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1397 1397  
1398 1398  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1399,7 +1399,6 @@
1399 1399  
1400 1400  [[image:1653357531600-905.png]]
1401 1401  
1402 -
1403 1403  === 3.6.4 Analog Input Interface ===
1404 1404  
1405 1405  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:
... ... @@ -1427,7 +1427,6 @@
1427 1427  
1428 1428  [[image:1653357648330-671.png||height="155" width="733"]]
1429 1429  
1430 -
1431 1431  === 3.6.5 Relay Output ===
1432 1432  
1433 1433  (((
... ... @@ -1438,12 +1438,10 @@
1438 1438  
1439 1439  [[image:image-20220524100215-10.png||height="382" width="723"]]
1440 1440  
1441 -
1442 1442  == 3.7 LEDs Indicators ==
1443 1443  
1444 1444  [[image:image-20220524100748-11.png]]
1445 1445  
1446 -
1447 1447  = 4. Use AT Command =
1448 1448  
1449 1449  == 4.1 Access AT Command ==
... ... @@ -1452,15 +1452,11 @@
1452 1452  
1453 1453  [[image:1653358238933-385.png]]
1454 1454  
1455 -(((
1456 1456  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:
1457 -)))
1458 1458  
1459 1459  [[image:1653358355238-883.png]]
1460 1460  
1461 -(((
1462 1462  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/]]
1463 -)))
1464 1464  
1465 1465  (((
1466 1466  AT+<CMD>?        : Help on <CMD>
... ... @@ -1644,8 +1644,6 @@
1644 1644  
1645 1645  (((
1646 1646  AT+CFG: Print all settings
1647 -
1648 -
1649 1649  )))
1650 1650  
1651 1651  == 4.2 Common AT Command Sequence ==
... ... @@ -1687,8 +1687,6 @@
1687 1687  
1688 1688  (((
1689 1689  (% style="background-color:#dcdcdc" %)ATZ
1690 -
1691 -
1692 1692  )))
1693 1693  
1694 1694  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1770,7 +1770,6 @@
1770 1770  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1771 1771  ATZ
1772 1772  
1773 -
1774 1774  = 5. FAQ =
1775 1775  
1776 1776  == 5.1 How to upgrade the image? ==
... ... @@ -1783,13 +1783,11 @@
1783 1783  Below shows the hardware connection for how to upload an image to the LT:
1784 1784  * [[image:1653359603330-121.png]]
1785 1785  
1786 -(((
1787 1787  **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]].
1788 1788  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1789 1789  **Step3: **Open flashloader; choose the correct COM port to update.
1790 1790  **For LT-22222-L**:
1791 1791  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.
1792 -)))
1793 1793  
1794 1794   [[image:image-20220524103407-12.png]]
1795 1795  
... ... @@ -1801,7 +1801,6 @@
1801 1801  
1802 1802  [[image:1653360054704-518.png||height="186" width="745"]]
1803 1803  
1804 -
1805 1805  (((
1806 1806  (((
1807 1807  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1809,9 +1809,7 @@
1809 1809  )))
1810 1810  
1811 1811  (((
1812 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1813 -
1814 -
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.
1815 1815  )))
1816 1816  
1817 1817  (((
... ... @@ -1838,15 +1838,10 @@
1838 1838  [[image:1653360231087-571.png||height="401" width="727"]]
1839 1839  )))
1840 1840  
1841 -(((
1842 1842  (% 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.
1843 -)))
1844 1844  
1845 -(((
1846 1846  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1847 -)))
1848 1848  
1849 -(((
1850 1850  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1851 1851  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1852 1852  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1857,30 +1857,19 @@
1857 1857  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1858 1858  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1859 1859  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1860 -)))
1861 1861  
1862 -(((
1863 1863  As shown in below:
1864 -)))
1865 1865  
1866 1866  [[image:1653360498588-932.png||height="485" width="726"]]
1867 1867  
1868 -
1869 1869  == 5.4 Can I see counting event in Serial? ==
1870 1870  
1871 1871  (((
1872 1872  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.
1873 -
1874 -
1875 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1876 -
1877 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1878 -
1879 -
1880 1880  )))
1881 1881  
1882 1882  (((
1883 -= 6. Trouble Shooting =
1587 += 6. Trouble Shooting  =
1884 1884  )))
1885 1885  
1886 1886  (((
... ... @@ -1890,21 +1890,25 @@
1890 1890  )))
1891 1891  
1892 1892  (((
1893 -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:
1894 1894  
1895 -
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/]]
1896 1896  )))
1897 1897  
1898 1898  (((
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 +(((
1899 1899  == 6.2 Have trouble to upload image. ==
1900 1900  )))
1901 1901  
1902 1902  (((
1903 -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:
1904 1904  )))
1905 1905  
1906 1906  (((
1907 -
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]]
1908 1908  )))
1909 1909  
1910 1910  (((
... ... @@ -1912,11 +1912,11 @@
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -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:
1916 1916  )))
1917 1917  
1918 1918  (((
1919 -
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]]
1920 1920  )))
1921 1921  
1922 1922  (((
... ... @@ -1935,61 +1935,34 @@
1935 1935  )))
1936 1936  )))
1937 1937  
1938 -(((
1939 1939  * (((
1940 1940  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1941 1941  )))
1942 -)))
1943 -
1944 -(((
1945 1945  * (((
1946 1946  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1947 1947  )))
1948 -)))
1949 -
1950 -(((
1951 1951  * (((
1952 1952  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1953 1953  )))
1954 -)))
1955 -
1956 -(((
1957 1957  * (((
1958 1958  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1959 1959  )))
1960 -)))
1961 -
1962 -(((
1963 1963  * (((
1964 1964  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1965 1965  )))
1966 -)))
1967 -
1968 -(((
1969 1969  * (((
1970 1970  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1971 1971  )))
1972 -)))
1973 -
1974 -(((
1975 1975  * (((
1976 1976  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1977 1977  )))
1978 -)))
1979 -
1980 -(((
1981 1981  * (((
1982 1982  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1983 1983  )))
1984 -)))
1985 1985  
1986 1986  (((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1672 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1989 1989  
1990 -
1991 -)))
1992 -
1993 1993  = 8. Packing Info =
1994 1994  )))
1995 1995  
... ... @@ -2020,8 +2020,6 @@
2020 2020  * Device Weight: 105g
2021 2021  * Package Size / pcs : 14.5 x 8 x 5 cm
2022 2022  * Weight / pcs : 170g
2023 -
2024 -
2025 2025  )))
2026 2026  )))
2027 2027  
... ... @@ -2043,8 +2043,6 @@
2043 2043  (((
2044 2044  (((
2045 2045   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2046 -
2047 -
2048 2048  )))
2049 2049  
2050 2050  (((
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