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From version 66.17
edited by Xiaoling
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edited by Xiaoling
on 2022/06/01 17:41
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... ... @@ -16,7 +16,7 @@
16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
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.
19 +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.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
27 +The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -41,48 +41,122 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 +
45 +
44 44  )))
45 45  
46 46  == 1.2  Specifications ==
47 47  
50 +(((
48 48  **Hardware System:**
52 +)))
49 49  
50 -* STM32L072CZT6 MCU
51 -* SX1276/78 Wireless Chip 
52 -* Power Consumption:
53 -** Idle: 4mA@12v
54 -** 20dB Transmit: 34mA@12v
54 +* (((
55 +STM32L072CZT6 MCU
56 +)))
57 +* (((
58 +SX1276/78 Wireless Chip 
59 +)))
60 +* (((
61 +(((
62 +Power Consumption:
63 +)))
55 55  
65 +* (((
66 +Idle: 4mA@12v
67 +)))
68 +* (((
69 +20dB Transmit: 34mA@12v
70 +)))
71 +)))
72 +
73 +(((
56 56  **Interface for Model: LT22222-L:**
75 +)))
57 57  
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. 
77 +* (((
78 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
79 +)))
80 +* (((
81 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
82 +)))
83 +* (((
84 +2 x Relay Output (5A@250VAC / 30VDC)
85 +)))
86 +* (((
87 +2 x 0~~20mA Analog Input (res:0.01mA)
88 +)))
89 +* (((
90 +2 x 0~~30V Analog Input (res:0.01v)
91 +)))
92 +* (((
93 +Power Input 7~~ 24V DC. 
94 +)))
64 64  
96 +(((
65 65  **LoRa Spec:**
98 +)))
66 66  
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.
100 +* (((
101 +(((
102 +Frequency Range:
103 +)))
85 85  
105 +* (((
106 +Band 1 (HF): 862 ~~ 1020 Mhz
107 +)))
108 +* (((
109 +Band 2 (LF): 410 ~~ 528 Mhz
110 +)))
111 +)))
112 +* (((
113 +168 dB maximum link budget.
114 +)))
115 +* (((
116 ++20 dBm - 100 mW constant RF output vs.
117 +)))
118 +* (((
119 ++14 dBm high efficiency PA.
120 +)))
121 +* (((
122 +Programmable bit rate up to 300 kbps.
123 +)))
124 +* (((
125 +High sensitivity: down to -148 dBm.
126 +)))
127 +* (((
128 +Bullet-proof front end: IIP3 = -12.5 dBm.
129 +)))
130 +* (((
131 +Excellent blocking immunity.
132 +)))
133 +* (((
134 +Low RX current of 10.3 mA, 200 nA register retention.
135 +)))
136 +* (((
137 +Fully integrated synthesizer with a resolution of 61 Hz.
138 +)))
139 +* (((
140 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
141 +)))
142 +* (((
143 +Built-in bit synchronizer for clock recovery.
144 +)))
145 +* (((
146 +Preamble detection.
147 +)))
148 +* (((
149 +127 dB Dynamic Range RSSI.
150 +)))
151 +* (((
152 +Automatic RF Sense and CAD with ultra-fast AFC.
153 +)))
154 +* (((
155 +Packet engine up to 256 bytes with CRC.
156 +
157 +
158 +)))
159 +
86 86  == 1.3 Features ==
87 87  
88 88  * LoRaWAN Class A & Class C protocol
... ... @@ -93,6 +93,8 @@
93 93  * Firmware upgradable via program port
94 94  * Counting
95 95  
170 +
171 +
96 96  == 1.4  Applications ==
97 97  
98 98  * Smart Buildings & Home Automation
... ... @@ -102,6 +102,8 @@
102 102  * Smart Cities
103 103  * Smart Factory
104 104  
181 +
182 +
105 105  == 1.5 Hardware Variants ==
106 106  
107 107  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -115,6 +115,8 @@
115 115  * 1 x Counting Port
116 116  )))
117 117  
196 +
197 +
118 118  = 2. Power ON Device =
119 119  
120 120  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -125,21 +125,29 @@
125 125  
126 126  [[image:1653297104069-180.png]]
127 127  
208 +
128 128  = 3. Operation Mode =
129 129  
130 130  == 3.1 How it works? ==
131 131  
213 +(((
132 132  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. 
215 +)))
133 133  
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.
217 +(((
218 +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.
135 135  
136 -3.2 Example to join LoRaWAN network
220 +
221 +)))
137 137  
223 +== 3.2 Example to join LoRaWAN network ==
224 +
225 +(((
138 138  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. 
227 +)))
139 139  
140 140  [[image:image-20220523172350-1.png||height="266" width="864"]]
141 141  
142 -
143 143  (((
144 144  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:
145 145  )))
... ... @@ -160,10 +160,12 @@
160 160  
161 161  [[image:1653297955910-247.png||height="321" width="716"]]
162 162  
251 +
163 163  Add APP KEY and DEV EUI
164 164  
165 165  [[image:1653298023685-319.png]]
166 166  
256 +
167 167  (((
168 168  **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.
169 169  )))
... ... @@ -170,6 +170,7 @@
170 170  
171 171  [[image:1653298044601-602.png||height="405" width="709"]]
172 172  
263 +
173 173  == 3.3 Uplink Payload ==
174 174  
175 175  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -181,6 +181,8 @@
181 181  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
182 182  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
183 183  
275 +
276 +
184 184  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
185 185  
186 186  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -231,11 +231,15 @@
231 231  ** DO1 is high in case there is load between DO1 and V+.
232 232  ** DO1 LED is off in both case
233 233  
327 +
328 +
234 234  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
235 235  
236 236  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237 237  
333 +(((
238 238  Total : 11 bytes payload
335 +)))
239 239  
240 240  [[image:image-20220523180452-3.png]]
241 241  
... ... @@ -249,54 +249,79 @@
249 249  * FIRST: Indicate this is the first packet after join network.
250 250  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251 251  
349 +(((
252 252  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
351 +)))
253 253  
353 +(((
254 254  **To use counting mode, please run:**
355 +)))
255 255  
256 256  (% class="box infomessage" %)
257 257  (((
359 +(((
258 258  **AT+MOD=2**
259 259  )))
362 +)))
260 260  
261 261  (% class="box infomessage" %)
262 262  (((
366 +(((
263 263  **ATZ**
264 264  )))
369 +)))
265 265  
371 +(((
266 266  (% style="color:#4f81bd" %)**AT Commands for counting:**
373 +)))
267 267  
375 +(((
268 268  **For LT22222-L:**
377 +)))
269 269  
270 270  (% class="box infomessage" %)
271 271  (((
381 +(((
272 272  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 273  )))
384 +)))
274 274  
275 275  (% class="box infomessage" %)
276 276  (((
388 +(((
277 277  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 278  )))
391 +)))
279 279  
280 280  (% class="box infomessage" %)
281 281  (((
395 +(((
282 282  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 283  )))
398 +)))
284 284  
285 285  (% class="box infomessage" %)
286 286  (((
402 +(((
287 287  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 288  )))
405 +)))
289 289  
290 290  (% class="box infomessage" %)
291 291  (((
409 +(((
292 292  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 293  )))
412 +)))
294 294  
295 295  (% class="box infomessage" %)
296 296  (((
416 +(((
297 297  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 298  )))
419 +)))
299 299  
421 +
300 300  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301 301  
302 302  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -313,22 +313,34 @@
313 313  * FIRST: Indicate this is the first packet after join network.
314 314  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315 315  
438 +(((
316 316  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
440 +)))
317 317  
442 +(((
318 318  **To use counting mode, please run:**
444 +)))
319 319  
320 320  (% class="box infomessage" %)
321 321  (((
448 +(((
322 322  **AT+MOD=3**
323 323  )))
451 +)))
324 324  
325 325  (% class="box infomessage" %)
326 326  (((
455 +(((
327 327  **ATZ**
328 328  )))
458 +)))
329 329  
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]].
460 +(((
461 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
331 331  
463 +
464 +)))
465 +
332 332  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
334 334  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -347,45 +347,69 @@
347 347  * FIRST: Indicate this is the first packet after join network.
348 348  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349 349  
484 +(((
350 350  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
486 +)))
351 351  
488 +(((
352 352  **To use this mode, please run:**
490 +)))
353 353  
354 354  (% class="box infomessage" %)
355 355  (((
494 +(((
356 356  **AT+MOD=4**
357 357  )))
497 +)))
358 358  
359 359  (% class="box infomessage" %)
360 360  (((
501 +(((
361 361  **ATZ**
362 362  )))
504 +)))
363 363  
506 +(((
507 +
508 +)))
364 364  
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 +(((
511 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
512 +)))
366 366  
514 +(((
367 367  **Plus below command for AVI1 Counting:**
516 +)))
368 368  
369 369  (% class="box infomessage" %)
370 370  (((
520 +(((
371 371  **AT+SETCNT=3,60   (set AVI Count to 60)**
372 372  )))
523 +)))
373 373  
374 374  (% class="box infomessage" %)
375 375  (((
527 +(((
376 376  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 377  )))
530 +)))
378 378  
379 379  (% class="box infomessage" %)
380 380  (((
534 +(((
381 381  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 382  )))
537 +)))
383 383  
384 384  (% class="box infomessage" %)
385 385  (((
541 +(((
386 386  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 387  )))
544 +)))
388 388  
546 +
389 389  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390 390  
391 391  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -398,24 +398,38 @@
398 398  
399 399  * RO is for relay. ROx=1 : close，ROx=0 always open.
400 400  * FIRST: Indicate this is the first packet after join network.
401 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
559 +* (((
560 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
561 +)))
402 402  
563 +(((
403 403  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
565 +)))
404 404  
567 +(((
405 405  **To use this mode, please run:**
569 +)))
406 406  
407 407  (% class="box infomessage" %)
408 408  (((
573 +(((
409 409  **AT+MOD=5**
410 410  )))
576 +)))
411 411  
412 412  (% class="box infomessage" %)
413 413  (((
580 +(((
414 414  **ATZ**
415 415  )))
583 +)))
416 416  
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]].
585 +(((
586 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
418 418  
588 +
589 +)))
590 +
419 419  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
421 421  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -442,6 +442,7 @@
442 442  
443 443  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
444 444  
617 +
445 445  (% style="color:#4f81bd" %)**Trigger base on current**:
446 446  
447 447  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -450,6 +450,7 @@
450 450  
451 451  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
452 452  
626 +
453 453  (% style="color:#4f81bd" %)**Trigger base on DI status**:
454 454  
455 455  DI status trigger Flag.
... ... @@ -536,10 +536,13 @@
536 536  
537 537  When device got this command, it will send the MOD6 payload.
538 538  
713 +
539 539  === 3.3.7 Payload Decoder ===
540 540  
541 541  (((
542 542  **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/]]
718 +
719 +
543 543  )))
544 544  
545 545  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -550,14 +550,15 @@
550 550  There are two kinds of Commands:
551 551  )))
552 552  
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
730 +* (% 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]]
554 554  
555 555  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
556 556  
557 557  === 3.4.1 Common Commands ===
558 558  
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/]]
736 +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]]
560 560  
738 +
561 561  === 3.4.2 Sensor related commands ===
562 562  
563 563  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -580,6 +580,7 @@
580 580  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
581 581  )))
582 582  
761 +
583 583  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
584 584  
585 585  Set work mode.
... ... @@ -600,6 +600,7 @@
600 600  **0x0A aa     ~/~/ Same as AT+MOD=aa**
601 601  )))
602 602  
782 +
603 603  ==== 3.4.2.3 Poll an uplink ====
604 604  
605 605  * AT Command:
... ... @@ -615,9 +615,10 @@
615 615  
616 616  **Example**: 0x08FF, ask device to send an Uplink
617 617  
798 +
618 618  ==== 3.4.2.4 Enable Trigger Mode ====
619 619  
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]]
801 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
621 621  
622 622  * AT Command:
623 623  
... ... @@ -637,6 +637,7 @@
637 637  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
638 638  )))
639 639  
821 +
640 640  ==== 3.4.2.5 Poll trigger settings ====
641 641  
642 642  Poll trigger settings,
... ... @@ -652,6 +652,7 @@
652 652  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
653 653  )))
654 654  
837 +
655 655  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
656 656  
657 657  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -674,6 +674,7 @@
674 674  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
675 675  )))
676 676  
860 +
677 677  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
678 678  
679 679  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -700,6 +700,7 @@
700 700  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
701 701  )))
702 702  
887 +
703 703  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
704 704  
705 705  Set DI2 trigger.
... ... @@ -726,9 +726,10 @@
726 726  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
727 727  )))
728 728  
914 +
729 729  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
730 730  
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]]
917 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
732 732  
733 733  * AT Command:
734 734  
... ... @@ -741,18 +741,19 @@
741 741  
742 742  (% class="box infomessage" %)
743 743  (((
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]]**
930 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
745 745  )))
746 746  
933 +
747 747  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
748 748  
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]]
936 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
750 750  
751 751  * AT Command:
752 752  
753 753  (% class="box infomessage" %)
754 754  (((
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]]**
942 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
756 756  )))
757 757  
758 758  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -759,9 +759,10 @@
759 759  
760 760  (% class="box infomessage" %)
761 761  (((
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]] **
949 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
763 763  )))
764 764  
952 +
765 765  ==== 3.4.2.11 Trigger – Set minimum interval ====
766 766  
767 767  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -780,6 +780,7 @@
780 780  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
781 781  )))
782 782  
971 +
783 783  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
784 784  
785 785  * AT Command:
... ... @@ -822,8 +822,10 @@
822 822  
823 823  (% class="box infomessage" %)
824 824  (((
1014 +(((
825 825  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826 826  )))
1017 +)))
827 827  
828 828  This is to control the digital output time of DO pin. Include four bytes:
829 829  
... ... @@ -952,13 +952,13 @@
952 952  
953 953  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
954 954  
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]]
1146 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
956 956  
957 957  * AT Command:
958 958  
959 959  (% class="box infomessage" %)
960 960  (((
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]]**
1152 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
962 962  )))
963 963  
964 964  * Downlink Payload (prefix 0xA5):
... ... @@ -968,6 +968,7 @@
968 968  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
969 969  )))
970 970  
1162 +
971 971  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
972 972  
973 973  * AT Command:
... ... @@ -992,6 +992,7 @@
992 992  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
993 993  )))
994 994  
1187 +
995 995  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
996 996  
997 997  Clear counting for counting mode
... ... @@ -1010,6 +1010,7 @@
1010 1010  **0x A6 01     ~/~/ clear all counting,**
1011 1011  )))
1012 1012  
1206 +
1013 1013  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1014 1014  
1015 1015  * AT Command:
... ... @@ -1026,21 +1026,28 @@
1026 1026  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1027 1027  )))
1028 1028  
1223 +(((
1029 1029  range: aa bb cc:0 to 16777215,  (unit:second)
1030 1030  
1226 +
1227 +)))
1228 +
1031 1031  == 3.5 Integrate with Mydevice ==
1032 1032  
1033 1033  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:
1034 1034  
1233 +(((
1035 1035  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1235 +)))
1036 1036  
1237 +(((
1037 1037  **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:
1239 +)))
1038 1038  
1039 1039  [[image:1653356737703-362.png||height="232" width="732"]]
1040 1040  
1041 1041  [[image:image-20220524094641-11.png||height="390" width="723"]]
1042 1042  
1043 -
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 1046  **Step 3**: Create an account or log in Mydevices.
... ... @@ -1051,6 +1051,7 @@
1051 1051  
1052 1052  [[image:1653356838789-523.png||height="337" width="740"]]
1053 1053  
1255 +
1054 1054  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055 1055  
1056 1056  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1063,6 +1063,7 @@
1063 1063  
1064 1064  [[image:image-20220524094909-5.png||height="341" width="734"]]
1065 1065  
1268 +
1066 1066  == 3.6 Interface Detail ==
1067 1067  
1068 1068  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1071,6 +1071,7 @@
1071 1071  
1072 1072  [[image:1653356991268-289.png]]
1073 1073  
1277 +
1074 1074  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1075 1075  
1076 1076  (((
... ... @@ -1086,51 +1086,105 @@
1086 1086  [[image:1653357170703-587.png]]
1087 1087  
1088 1088  (((
1293 +(((
1089 1089  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1090 1090  )))
1296 +)))
1091 1091  
1298 +(((
1299 +
1300 +)))
1092 1092  
1302 +(((
1093 1093  **Example1**: Connect to a Low active sensor.
1304 +)))
1094 1094  
1306 +(((
1095 1095  This type of sensor will output a low signal GND when active.
1308 +)))
1096 1096  
1097 -* Connect sensor’s output to DI1-
1098 -* Connect sensor’s VCC to DI1+.
1310 +* (((
1311 +Connect sensor’s output to DI1-
1312 +)))
1313 +* (((
1314 +Connect sensor’s VCC to DI1+.
1315 +)))
1099 1099  
1100 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1317 +(((
1318 +So when sensor active, the current between NEC2501 pin1 and pin2 is：
1319 +)))
1101 1101  
1102 - //IF// = DI1+ / 1K.
1321 +(((
1322 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1323 +)))
1103 1103  
1104 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1325 +(((
1326 +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.
1327 +)))
1105 1105  
1329 +(((
1330 +
1331 +)))
1106 1106  
1333 +(((
1107 1107  **Example2**: Connect to a High active sensor.
1335 +)))
1108 1108  
1337 +(((
1109 1109  This type of sensor will output a high signal (example 24v) when active.
1339 +)))
1110 1110  
1111 -* Connect sensor’s output to DI1+
1112 -* Connect sensor’s GND DI1-.
1341 +* (((
1342 +Connect sensor’s output to DI1+
1343 +)))
1344 +* (((
1345 +Connect sensor’s GND DI1-.
1346 +)))
1113 1113  
1348 +(((
1114 1114  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1350 +)))
1115 1115  
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.**
1352 +(((
1353 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1354 +)))
1117 1117  
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.
1356 +(((
1357 +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.
1358 +)))
1119 1119  
1360 +(((
1361 +
1362 +)))
1120 1120  
1364 +(((
1121 1121  **Example3**: Connect to a 220v high active sensor.
1366 +)))
1122 1122  
1368 +(((
1123 1123  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1370 +)))
1124 1124  
1125 -* Connect sensor’s output to DI1+ with a serial 50K resistor
1126 -* Connect sensor’s GND DI1-.
1372 +* (((
1373 +Connect sensor’s output to DI1+ with a serial 50K resistor
1374 +)))
1375 +* (((
1376 +Connect sensor’s GND DI1-.
1377 +)))
1127 1127  
1379 +(((
1128 1128  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1381 +)))
1129 1129  
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.**
1383 +(((
1384 + [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1385 +)))
1131 1131  
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.
1387 +(((
1388 +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.
1389 +)))
1133 1133  
1391 +
1134 1134  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1135 1135  
1136 1136  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1137,6 +1137,7 @@
1137 1137  
1138 1138  [[image:1653357531600-905.png]]
1139 1139  
1398 +
1140 1140  === 3.6.4 Analog Input Interface ===
1141 1141  
1142 1142  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:
... ... @@ -1164,6 +1164,7 @@
1164 1164  
1165 1165  [[image:1653357648330-671.png||height="155" width="733"]]
1166 1166  
1426 +
1167 1167  === 3.6.5 Relay Output ===
1168 1168  
1169 1169  (((
... ... @@ -1174,10 +1174,12 @@
1174 1174  
1175 1175  [[image:image-20220524100215-10.png||height="382" width="723"]]
1176 1176  
1437 +
1177 1177  == 3.7 LEDs Indicators ==
1178 1178  
1179 1179  [[image:image-20220524100748-11.png]]
1180 1180  
1442 +
1181 1181  = 4. Use AT Command =
1182 1182  
1183 1183  == 4.1 Access AT Command ==
... ... @@ -1186,11 +1186,15 @@
1186 1186  
1187 1187  [[image:1653358238933-385.png]]
1188 1188  
1451 +(((
1189 1189  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:
1453 +)))
1190 1190  
1191 1191  [[image:1653358355238-883.png]]
1192 1192  
1457 +(((
1193 1193  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/]]
1459 +)))
1194 1194  
1195 1195  (((
1196 1196  AT+<CMD>?        : Help on <CMD>
... ... @@ -1374,6 +1374,8 @@
1374 1374  
1375 1375  (((
1376 1376  AT+CFG: Print all settings
1643 +
1644 +
1377 1377  )))
1378 1378  
1379 1379  == 4.2 Common AT Command Sequence ==
... ... @@ -1415,6 +1415,8 @@
1415 1415  
1416 1416  (((
1417 1417  (% style="background-color:#dcdcdc" %)ATZ
1686 +
1687 +
1418 1418  )))
1419 1419  
1420 1420  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1496,6 +1496,7 @@
1496 1496  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1497 1497  ATZ
1498 1498  
1769 +
1499 1499  = 5. FAQ =
1500 1500  
1501 1501  == 5.1 How to upgrade the image? ==
... ... @@ -1508,11 +1508,13 @@
1508 1508  Below shows the hardware connection for how to upload an image to the LT:
1509 1509  * [[image:1653359603330-121.png]]
1510 1510  
1782 +(((
1511 1511  **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]].
1512 1512  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1513 1513  **Step3: **Open flashloader; choose the correct COM port to update.
1514 1514  **For LT-22222-L**:
1515 1515  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.
1788 +)))
1516 1516  
1517 1517   [[image:image-20220524103407-12.png]]
1518 1518  
... ... @@ -1524,6 +1524,7 @@
1524 1524  
1525 1525  [[image:1653360054704-518.png||height="186" width="745"]]
1526 1526  
1800 +
1527 1527  (((
1528 1528  (((
1529 1529  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1531,7 +1531,9 @@
1531 1531  )))
1532 1532  
1533 1533  (((
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.
1808 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1809 +
1810 +
1535 1535  )))
1536 1536  
1537 1537  (((
... ... @@ -1558,10 +1558,15 @@
1558 1558  [[image:1653360231087-571.png||height="401" width="727"]]
1559 1559  )))
1560 1560  
1837 +(((
1561 1561  (% 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.
1839 +)))
1562 1562  
1841 +(((
1563 1563  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1843 +)))
1564 1564  
1845 +(((
1565 1565  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1566 1566  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1567 1567  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1572,19 +1572,25 @@
1572 1572  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1573 1573  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1574 1574  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1856 +)))
1575 1575  
1858 +(((
1576 1576  As shown in below:
1860 +)))
1577 1577  
1578 1578  [[image:1653360498588-932.png||height="485" width="726"]]
1579 1579  
1864 +
1580 1580  == 5.4 Can I see counting event in Serial? ==
1581 1581  
1582 1582  (((
1583 1583  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.
1869 +
1870 +
1584 1584  )))
1585 1585  
1586 1586  (((
1587 -= 6. Trouble Shooting  =
1874 += 6. Trouble Shooting =
1588 1588  )))
1589 1589  
1590 1590  (((
... ... @@ -1594,25 +1594,21 @@
1594 1594  )))
1595 1595  
1596 1596  (((
1597 -Please see this link for how to debug:
1884 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1598 1598  
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/]]
1886 +
1600 1600  )))
1601 1601  
1602 1602  (((
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 -(((
1607 1607  == 6.2 Have trouble to upload image. ==
1608 1608  )))
1609 1609  
1610 1610  (((
1611 -See this link for trouble shooting:
1894 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1612 1612  )))
1613 1613  
1614 1614  (((
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]]
1898 +
1616 1616  )))
1617 1617  
1618 1618  (((
... ... @@ -1620,11 +1620,11 @@
1620 1620  )))
1621 1621  
1622 1622  (((
1623 -It might be about the channels mapping. Please see this link for detail:
1906 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1624 1624  )))
1625 1625  
1626 1626  (((
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]]
1910 +
1628 1628  )))
1629 1629  
1630 1630  (((
... ... @@ -1643,34 +1643,61 @@
1643 1643  )))
1644 1644  )))
1645 1645  
1929 +(((
1646 1646  * (((
1647 1647  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1648 1648  )))
1933 +)))
1934 +
1935 +(((
1649 1649  * (((
1650 1650  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1651 1651  )))
1939 +)))
1940 +
1941 +(((
1652 1652  * (((
1653 1653  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1654 1654  )))
1945 +)))
1946 +
1947 +(((
1655 1655  * (((
1656 1656  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1657 1657  )))
1951 +)))
1952 +
1953 +(((
1658 1658  * (((
1659 1659  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1660 1660  )))
1957 +)))
1958 +
1959 +(((
1661 1661  * (((
1662 1662  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1663 1663  )))
1963 +)))
1964 +
1965 +(((
1664 1664  * (((
1665 1665  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1666 1666  )))
1969 +)))
1970 +
1971 +(((
1667 1667  * (((
1668 1668  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1669 1669  )))
1975 +)))
1670 1670  
1671 1671  (((
1672 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1978 +* (((
1979 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1673 1673  
1981 +
1982 +)))
1983 +
1674 1674  = 8. Packing Info =
1675 1675  )))
1676 1676  
... ... @@ -1682,7 +1682,7 @@
1682 1682  
1683 1683  (((
1684 1684  (((
1685 -* LT I/O Controller x 1
1995 +* LT-22222-L I/O Controller x 1
1686 1686  * Stick Antenna for LoRa RF part x 1
1687 1687  * Bracket for controller x1
1688 1688  * Program cable x 1
... ... @@ -1701,6 +1701,8 @@
1701 1701  * Device Weight: 105g
1702 1702  * Package Size / pcs : 14.5 x 8 x 5 cm
1703 1703  * Weight / pcs : 170g
2014 +
2015 +
1704 1704  )))
1705 1705  )))
1706 1706  
... ... @@ -1722,6 +1722,8 @@
1722 1722  (((
1723 1723  (((
1724 1724   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2037 +
2038 +
1725 1725  )))
1726 1726  
1727 1727  (((
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