Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.24 >
edited by Xiaoling
on 2022/05/24 13:58
To version < 57.1 >
edited by Xiaoling
on 2022/05/24 10:12
>
Change comment: Uploaded new attachment "1653358355238-883.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -45,114 +45,44 @@
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 -(((
49 49  **Hardware System:**
50 -)))
51 51  
52 -* (((
53 -STM32L072CZT6 MCU
54 -)))
55 -* (((
56 -SX1276/78 Wireless Chip 
57 -)))
58 -* (((
59 -(((
60 -Power Consumption:
61 -)))
50 +* STM32L072CZT6 MCU
51 +* SX1276/78 Wireless Chip 
52 +* Power Consumption:
53 +** Idle: 4mA@12v
54 +** 20dB Transmit: 34mA@12v
62 62  
63 -* (((
64 -Idle: 4mA@12v
65 -)))
66 -* (((
67 -20dB Transmit: 34mA@12v
68 -)))
69 -)))
70 -
71 -(((
72 72  **Interface for Model: LT22222-L:**
73 -)))
74 74  
75 -* (((
76 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
77 -)))
78 -* (((
79 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
80 -)))
81 -* (((
82 -2 x Relay Output (5A@250VAC / 30VDC)
83 -)))
84 -* (((
85 -2 x 0~~20mA Analog Input (res:0.01mA)
86 -)))
87 -* (((
88 -2 x 0~~30V Analog Input (res:0.01v)
89 -)))
90 -* (((
91 -Power Input 7~~ 24V DC. 
92 -)))
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. 
93 93  
94 -(((
95 95  **LoRa Spec:**
96 -)))
97 97  
98 -* (((
99 -(((
100 -Frequency Range:
101 -)))
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.
102 102  
103 -* (((
104 -Band 1 (HF): 862 ~~ 1020 Mhz
105 -)))
106 -* (((
107 -Band 2 (LF): 410 ~~ 528 Mhz
108 -)))
109 -)))
110 -* (((
111 -168 dB maximum link budget.
112 -)))
113 -* (((
114 -+20 dBm - 100 mW constant RF output vs.
115 -)))
116 -* (((
117 -+14 dBm high efficiency PA.
118 -)))
119 -* (((
120 -Programmable bit rate up to 300 kbps.
121 -)))
122 -* (((
123 -High sensitivity: down to -148 dBm.
124 -)))
125 -* (((
126 -Bullet-proof front end: IIP3 = -12.5 dBm.
127 -)))
128 -* (((
129 -Excellent blocking immunity.
130 -)))
131 -* (((
132 -Low RX current of 10.3 mA, 200 nA register retention.
133 -)))
134 -* (((
135 -Fully integrated synthesizer with a resolution of 61 Hz.
136 -)))
137 -* (((
138 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
139 -)))
140 -* (((
141 -Built-in bit synchronizer for clock recovery.
142 -)))
143 -* (((
144 -Preamble detection.
145 -)))
146 -* (((
147 -127 dB Dynamic Range RSSI.
148 -)))
149 -* (((
150 -Automatic RF Sense and CAD with ultra-fast AFC.
151 -)))
152 -* (((
153 -Packet engine up to 256 bytes with CRC.
154 -)))
155 -
156 156  == 1.3 Features ==
157 157  
158 158  * LoRaWAN Class A & Class C protocol
... ... @@ -199,21 +199,13 @@
199 199  
200 200  == 3.1 How it works? ==
201 201  
202 -(((
203 203  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. 
204 -)))
205 205  
206 -(((
207 -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.
208 -)))
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:#AT_Command]] to set the keys in the devices.
209 209  
210 -(((
211 211  3.2 Example to join LoRaWAN network
212 -)))
213 213  
214 -(((
215 215  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. 
216 -)))
217 217  
218 218  [[image:image-20220523172350-1.png||height="266" width="864"]]
219 219  
... ... @@ -313,9 +313,7 @@
313 313  
314 314  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
315 315  
316 -(((
317 317  Total : 11 bytes payload
318 -)))
319 319  
320 320  [[image:image-20220523180452-3.png]]
321 321  
... ... @@ -329,77 +329,53 @@
329 329  * FIRST: Indicate this is the first packet after join network.
330 330  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
331 331  
332 -(((
333 333  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
334 -)))
335 335  
336 -(((
337 337  **To use counting mode, please run:**
338 -)))
339 339  
340 340  (% class="box infomessage" %)
341 341  (((
342 -(((
343 343  **AT+MOD=2**
344 344  )))
345 -)))
346 346  
347 347  (% class="box infomessage" %)
348 348  (((
349 -(((
350 350  **ATZ**
351 351  )))
352 -)))
353 353  
354 -(((
355 355  (% style="color:#4f81bd" %)**AT Commands for counting:**
356 -)))
357 357  
358 -(((
359 359  **For LT22222-L:**
360 -)))
361 361  
362 362  (% class="box infomessage" %)
363 363  (((
364 -(((
365 365  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
366 366  )))
367 -)))
368 368  
369 369  (% class="box infomessage" %)
370 370  (((
371 -(((
372 372  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
373 373  )))
374 -)))
375 375  
376 376  (% class="box infomessage" %)
377 377  (((
378 -(((
379 379  **AT+TRIG2=0,100 (set DI2 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+TRIG2=1,100 (set DI2 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+SETCNT=1,60   (Set COUNT1 value to 60)**
394 394  )))
395 -)))
396 396  
397 397  (% class="box infomessage" %)
398 398  (((
399 -(((
400 400  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
401 401  )))
402 -)))
403 403  
404 404  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
405 405  
... ... @@ -417,31 +417,21 @@
417 417  * FIRST: Indicate this is the first packet after join network.
418 418  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
419 419  
420 -(((
421 421  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
422 -)))
423 423  
424 -(((
425 425  **To use counting mode, please run:**
426 -)))
427 427  
428 428  (% class="box infomessage" %)
429 429  (((
430 -(((
431 431  **AT+MOD=3**
432 432  )))
433 -)))
434 434  
435 435  (% class="box infomessage" %)
436 436  (((
437 -(((
438 438  **ATZ**
439 439  )))
440 -)))
441 441  
442 -(((
443 -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]].
444 -)))
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
445 445  
446 446  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
447 447  
... ... @@ -461,67 +461,44 @@
461 461  * FIRST: Indicate this is the first packet after join network.
462 462  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
463 463  
464 -(((
465 465  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 -)))
467 467  
468 -(((
469 469  **To use this mode, please run:**
470 -)))
471 471  
472 472  (% class="box infomessage" %)
473 473  (((
474 -(((
475 475  **AT+MOD=4**
476 476  )))
477 -)))
478 478  
479 479  (% class="box infomessage" %)
480 480  (((
481 -(((
482 482  **ATZ**
483 483  )))
484 -)))
485 485  
486 -(((
487 -
488 -)))
489 489  
490 -(((
491 -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]].
492 -)))
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
493 493  
494 -(((
495 495  **Plus below command for AVI1 Counting:**
496 -)))
497 497  
498 498  (% class="box infomessage" %)
499 499  (((
500 -(((
501 501  **AT+SETCNT=3,60   (set AVI Count to 60)**
502 502  )))
503 -)))
504 504  
505 505  (% class="box infomessage" %)
506 506  (((
507 -(((
508 508  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
509 509  )))
510 -)))
511 511  
512 512  (% class="box infomessage" %)
513 513  (((
514 -(((
515 515  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
516 516  )))
517 -)))
518 518  
519 519  (% class="box infomessage" %)
520 520  (((
521 -(((
522 522  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
523 523  )))
524 -)))
525 525  
526 526  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
527 527  
... ... @@ -535,35 +535,23 @@
535 535  
536 536  * RO is for relay. ROx=1 : close，ROx=0 always open.
537 537  * FIRST: Indicate this is the first packet after join network.
538 -* (((
539 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
540 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
541 541  
542 -(((
543 543  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
544 -)))
545 545  
546 -(((
547 547  **To use this mode, please run:**
548 -)))
549 549  
550 550  (% class="box infomessage" %)
551 551  (((
552 -(((
553 553  **AT+MOD=5**
554 554  )))
555 -)))
556 556  
557 557  (% class="box infomessage" %)
558 558  (((
559 -(((
560 560  **ATZ**
561 561  )))
562 -)))
563 563  
564 -(((
565 -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]].
566 -)))
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
567 567  
568 568  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
569 569  
... ... @@ -612,7 +612,7 @@
612 612  
613 613  **Downlink Command to set Trigger Condition**
614 614  
615 -Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
466 +Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
616 616  
617 617  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
618 618  
... ... @@ -632,7 +632,7 @@
632 632  
633 633  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
634 634  
635 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
636 636  
637 637  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
638 638  
... ... @@ -1192,7 +1192,7 @@
1192 1192  
1193 1193  [[image:image-20220524094641-12.png||height="402" width="718"]]
1194 1194  
1195 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1196 1196  
1197 1197  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1198 1198  
... ... @@ -1202,6 +1202,7 @@
1202 1202  
1203 1203  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1204 1204  
1056 +
1205 1205  [[image:image-20220524094909-1.png||height="335" width="729"]]
1206 1206  
1207 1207  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1212,6 +1212,10 @@
1212 1212  
1213 1213  [[image:image-20220524094909-5.png||height="341" width="734"]]
1214 1214  
1067 +
1068 +
1069 +
1070 +
1215 1215  == 3.6 Interface Detail ==
1216 1216  
1217 1217  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1227,10 +1227,8 @@
1227 1227  )))
1228 1228  
1229 1229  (((
1230 -(((
1231 1231  Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
1232 1232  )))
1233 -)))
1234 1234  
1235 1235  [[image:1653357170703-587.png]]
1236 1236  
... ... @@ -1262,9 +1262,9 @@
1262 1262  
1263 1263  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1264 1264  
1265 -[[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:/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.**
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1266 1266  
1267 -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:/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.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1268 1268  
1269 1269  
1270 1270  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1276,9 +1276,9 @@
1276 1276  
1277 1277  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1278 1278  
1279 - [[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:/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.**
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1280 1280  
1281 -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.
1135 +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.
1282 1282  
1283 1283  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1284 1284  
... ... @@ -1319,10 +1319,12 @@
1319 1319  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1320 1320  )))
1321 1321  
1176 +
1322 1322  [[image:image-20220524100215-9.png]]
1323 1323  
1324 1324  [[image:image-20220524100215-10.png||height="382" width="723"]]
1325 1325  
1181 +
1326 1326  == 3.7 LEDs Indicators ==
1327 1327  
1328 1328  [[image:image-20220524100748-11.png]]
... ... @@ -1333,555 +1333,360 @@
1333 1333  
1334 1334  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1335 1335  
1336 -[[image:1653358238933-385.png]]
1192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1337 1337  
1338 -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:
1339 1339  
1340 -[[image:1653358355238-883.png]]
1195 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1341 1341  
1197 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1198 +
1199 +
1342 1342  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/]]
1343 1343  
1344 -(((
1345 1345  AT+<CMD>?        : Help on <CMD>
1346 -)))
1347 1347  
1348 -(((
1349 1349  AT+<CMD>         : Run <CMD>
1350 -)))
1351 1351  
1352 -(((
1353 1353  AT+<CMD>=<value> : Set the value
1354 -)))
1355 1355  
1356 -(((
1357 1357  AT+<CMD>=?       : Get the value
1358 -)))
1359 1359  
1360 -(((
1361 1361  ATZ: Trig a reset of the MCU
1362 -)))
1363 1363  
1364 -(((
1365 1365  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1366 -)))
1367 1367  
1368 -(((
1369 1369  AT+DEUI: Get or Set the Device EUI
1370 -)))
1371 1371  
1372 -(((
1373 1373  AT+DADDR: Get or Set the Device Address
1374 -)))
1375 1375  
1376 -(((
1377 1377  AT+APPKEY: Get or Set the Application Key
1378 -)))
1379 1379  
1380 -(((
1381 1381  AT+NWKSKEY: Get or Set the Network Session Key
1382 -)))
1383 1383  
1384 -(((
1385 1385  AT+APPSKEY: Get or Set the Application Session Key
1386 -)))
1387 1387  
1388 -(((
1389 1389  AT+APPEUI: Get or Set the Application EUI
1390 -)))
1391 1391  
1392 -(((
1393 1393  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1394 -)))
1395 1395  
1396 -(((
1397 1397  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1398 -)))
1399 1399  
1400 -(((
1401 1401  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1402 -)))
1403 1403  
1404 -(((
1405 1405  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1406 -)))
1407 1407  
1408 -(((
1409 1409  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1410 -)))
1411 1411  
1412 -(((
1413 1413  AT+RX2FQ: Get or Set the Rx2 window frequency
1414 -)))
1415 1415  
1416 -(((
1417 1417  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1418 -)))
1419 1419  
1420 -(((
1421 1421  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1422 -)))
1423 1423  
1424 -(((
1425 1425  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1426 -)))
1427 1427  
1428 -(((
1429 1429  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1430 -)))
1431 1431  
1432 -(((
1433 1433  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1434 -)))
1435 1435  
1436 -(((
1437 1437  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1438 -)))
1439 1439  
1440 -(((
1441 1441  AT+NWKID: Get or Set the Network ID
1442 -)))
1443 1443  
1444 -(((
1445 1445  AT+FCU: Get or Set the Frame Counter Uplink
1446 -)))
1447 1447  
1448 -(((
1449 1449  AT+FCD: Get or Set the Frame Counter Downlink
1450 -)))
1451 1451  
1452 -(((
1453 1453  AT+CLASS: Get or Set the Device Class
1454 -)))
1455 1455  
1456 -(((
1457 1457  AT+JOIN: Join network
1458 -)))
1459 1459  
1460 -(((
1461 1461  AT+NJS: Get OTAA Join Status
1462 -)))
1463 1463  
1464 -(((
1465 1465  AT+SENDB: Send hexadecimal data along with the application port
1466 -)))
1467 1467  
1468 -(((
1469 1469  AT+SEND: Send text data along with the application port
1470 -)))
1471 1471  
1472 -(((
1473 1473  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1474 -)))
1475 1475  
1476 -(((
1477 1477  AT+RECV: Print last received data in raw format
1478 -)))
1479 1479  
1480 -(((
1481 1481  AT+VER: Get current image version and Frequency Band
1482 -)))
1483 1483  
1484 -(((
1485 1485  AT+CFM: Get or Set the confirmation mode (0-1)
1486 -)))
1487 1487  
1488 -(((
1489 1489  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1490 -)))
1491 1491  
1492 -(((
1493 1493  AT+SNR: Get the SNR of the last received packet
1494 -)))
1495 1495  
1496 -(((
1497 1497  AT+RSSI: Get the RSSI of the last received packet
1498 -)))
1499 1499  
1500 -(((
1501 1501  AT+TDC: Get or set the application data transmission interval in ms
1502 -)))
1503 1503  
1504 -(((
1505 1505  AT+PORT: Get or set the application port
1506 -)))
1507 1507  
1508 -(((
1509 1509  AT+DISAT: Disable AT commands
1510 -)))
1511 1511  
1512 -(((
1513 1513  AT+PWORD: Set password, max 9 digits
1514 -)))
1515 1515  
1516 -(((
1517 1517  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1518 -)))
1519 1519  
1520 -(((
1521 1521  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1522 -)))
1523 1523  
1524 -(((
1525 1525  AT+CFG: Print all settings
1526 -)))
1527 1527  
1528 -== 4.2 Common AT Command Sequence ==
1529 1529  
1530 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1531 1531  
1532 -(((
1296 +1.
1297 +11. Common AT Command Sequence
1298 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1299 +
1533 1533  If device has not joined network yet:
1534 -)))
1535 1535  
1536 -(((
1537 -(% style="background-color:#dcdcdc" %)123456
1538 -)))
1302 +123456
1539 1539  
1540 -(((
1541 -(% style="background-color:#dcdcdc" %)AT+FDR
1542 -)))
1304 +AT+FDR
1543 1543  
1544 -(((
1545 -(% style="background-color:#dcdcdc" %)123456
1546 -)))
1306 +123456
1547 1547  
1548 -(((
1549 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1550 -)))
1308 +AT+NJM=0
1551 1551  
1552 -(((
1553 -(% style="background-color:#dcdcdc" %)ATZ
1554 -)))
1310 +ATZ
1555 1555  
1556 1556  
1557 -(((
1558 1558  If device already joined network:
1559 -)))
1560 1560  
1561 -(((
1562 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1563 -)))
1315 +AT+NJM=0
1564 1564  
1565 -(((
1566 -(% style="background-color:#dcdcdc" %)ATZ
1567 -)))
1317 +ATZ
1568 1568  
1569 -=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1319 +1.
1320 +11.
1321 +111. Single-channel ABP mode (Use with LG01/LG02)
1570 1570  
1571 -(((
1572 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1573 -)))
1323 +123456   Enter Password to have AT access.
1574 1574  
1575 -(((
1576 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1577 -)))
1325 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1578 1578  
1579 -(((
1580 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1581 -)))
1327 +123456   Enter Password to have AT access.
1582 1582  
1583 -(((
1584 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1585 -)))
1329 +AT+CLASS=C Set to work in CLASS C
1586 1586  
1587 -(((
1588 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1589 -)))
1331 +AT+NJM=0 Set to ABP mode
1590 1590  
1591 -(((
1592 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1593 -)))
1333 +AT+ADR=0 Set the Adaptive Data Rate Off
1594 1594  
1595 -(((
1596 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1597 -)))
1335 +AT+DR=5  Set Data Rate
1598 1598  
1599 -(((
1600 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1601 -)))
1337 +AT+TDC=60000  Set transmit interval to 60 seconds
1602 1602  
1603 -(((
1604 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1605 -)))
1339 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1606 1606  
1607 -(((
1608 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1609 -)))
1341 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1610 1610  
1611 -(((
1612 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1613 -)))
1343 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1614 1614  
1615 -(((
1616 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1617 -)))
1345 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1618 1618  
1619 -(((
1620 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1621 -)))
1347 +ATZ          Reset MCU
1622 1622  
1623 -(((
1624 -(% style="color:red" %)**Note:**
1625 -)))
1349 +**Note:**
1626 1626  
1627 -(((
1628 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1629 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1630 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1631 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1632 -)))
1351 +1. Make sure the device is set to ABP mode in the IoT Server.
1352 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1353 +1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1354 +1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1633 1633  
1634 -(((
1635 -[[image:1653359097980-169.png||height="188" width="729"]]
1636 -)))
1356 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1637 1637  
1638 -(((
1639 -
1640 -)))
1641 1641  
1642 -=== 4.2.3 Change to Class A ===
1359 +1.
1360 +11.
1361 +111. Change to Class A
1643 1643  
1644 1644  If sensor JOINED
1645 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1364 +
1365 +AT+CLASS=A
1366 +
1646 1646  ATZ
1647 1647  
1648 -= 5. FAQ =
1649 1649  
1650 -== 5.1 How to upgrade the image? ==
1651 1651  
1371 +
1372 +
1373 +1. FAQ
1374 +
1375 +1.
1376 +11. How to upgrade the image?
1377 +
1652 1652  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1653 1653  
1654 1654  * Support new features
1655 1655  * For bug fix
1656 1656  * Change LoRaWAN bands.
1383 +
1657 1657  Below shows the hardware connection for how to upload an image to the LT:
1658 -* [[image:1653359603330-121.png]]
1659 1659  
1386 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1387 +
1388 +
1660 1660  **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]].
1390 +
1661 1661  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1392 +
1662 1662  **Step3: **Open flashloader; choose the correct COM port to update.
1663 -**For LT-22222-L**:
1664 -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.
1665 1665  
1666 - [[image:image-20220524103407-12.png]]
1395 +**For LT-33222-L**:
1667 1667  
1668 -[[image:image-20220524103429-13.png]]
1397 +Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
1669 1669  
1670 -[[image:image-20220524104033-15.png]]
1399 +**For LT-22222-L**:
1671 1671  
1672 -(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1401 +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.
1673 1673  
1674 -[[image:1653360054704-518.png||height="186" width="745"]]
1675 1675  
1676 -(((
1677 -(((
1678 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1679 -)))
1680 -)))
1681 1681  
1682 -(((
1683 -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.
1405 +|(((
1406 +Board detected
1684 1684  )))
1685 1685  
1686 -(((
1687 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1409 +|(((
1410 +
1688 1688  )))
1689 1689  
1690 -(((
1691 -(((
1413 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
1414 +
1415 +
1416 +
1417 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
1418 +
1419 +
1420 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
1421 +
1422 +
1423 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1424 +
1425 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1426 +
1427 +
1428 +1.
1429 +11. How to change the LoRa Frequency Bands/Region?
1430 +
1431 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1432 +
1433 +
1434 +1.
1435 +11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1436 +
1692 1692  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1693 -)))
1694 -)))
1695 1695  
1696 -(((
1697 -(((
1698 1698  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1699 -)))
1700 -)))
1701 1701  
1702 -(((
1703 -(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1704 -)))
1705 1705  
1706 -(((
1707 -[[image:1653360231087-571.png||height="401" width="727"]]
1708 -)))
1442 +**Step1**: Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1709 1709  
1710 -(% 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.
1444 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1711 1711  
1712 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1446 +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.
1713 1713  
1714 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1715 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1716 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1717 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1718 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1719 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1720 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1721 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1722 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1723 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1724 1724  
1449 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1450 +
1451 +123456   Enter Password to have AT access.
1452 +
1453 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1454 +
1455 +123456   Enter Password to have AT access.
1456 +
1457 +AT+NJM=0 Set to ABP mode
1458 +
1459 +AT+ADR=0 Set the Adaptive Data Rate Off
1460 +
1461 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1462 +
1463 +AT+TDC=60000  Set transmit interval to 60 seconds
1464 +
1465 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1466 +
1467 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1468 +
1469 +ATZ                Reset MCU
1470 +
1725 1725  As shown in below:
1726 1726  
1727 -[[image:1653360498588-932.png||height="485" width="726"]]
1473 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1728 1728  
1729 -== 5.4 Can I see counting event in Serial? ==
1730 1730  
1731 -(((
1476 +
1477 +1.
1478 +11. Can I see counting event in Serial?
1479 +
1732 1732  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.
1733 -)))
1734 1734  
1735 -(((
1736 -= 6. Trouble Shooting =
1737 -)))
1738 1738  
1739 -(((
1740 -(((
1741 -== 6.1 Downlink doesn’t work, how to solve it? ==
1742 -)))
1743 -)))
1744 1744  
1745 -(((
1746 -Please see this link for how to debug:
1747 1747  
1748 -[[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/]]
1749 -)))
1485 +1. Trouble Shooting     
1486 +11. Downlink doesn’t work, how to solve it?
1750 1750  
1751 -(((
1488 +Please see this link for how to debug:
1489 +
1752 1752  [[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]]
1753 -)))
1754 1754  
1755 -(((
1756 -== 6.2 Have trouble to upload image. ==
1757 -)))
1758 1758  
1759 -(((
1493 +1.
1494 +11. Have trouble to upload image.
1495 +
1760 1760  See this link for trouble shooting:
1761 -)))
1762 1762  
1763 -(((
1764 1764  [[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]]
1765 -)))
1766 1766  
1767 -(((
1768 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1769 -)))
1770 1770  
1771 -(((
1501 +1.
1502 +11. Why I can’t join TTN in US915 /AU915 bands?
1503 +
1772 1772  It might be about the channels mapping. Please see this link for detail:
1773 -)))
1774 1774  
1775 -(((
1776 1776  [[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]]
1777 -)))
1778 1778  
1779 -(((
1780 -= 7. Order Info =
1781 -)))
1782 1782  
1783 -(((
1784 -(((
1785 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1786 -)))
1787 -)))
1788 1788  
1789 -(((
1790 -(((
1791 -(% style="color:#4f81bd" %)**XXX:**
1792 -)))
1793 -)))
1794 1794  
1795 -* (((
1796 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1797 -)))
1798 -* (((
1799 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1800 -)))
1801 -* (((
1802 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1803 -)))
1804 -* (((
1805 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1806 -)))
1807 -* (((
1808 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1809 -)))
1810 -* (((
1811 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1812 -)))
1813 -* (((
1814 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1815 -)))
1816 -* (((
1817 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1818 -)))
1511 +1. Order Info
1819 1819  
1820 -(((
1821 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1513 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1822 1822  
1823 -= 8. Packing Info =
1824 -)))
1515 +**XXX:**
1825 1825  
1826 -(((
1827 -(((
1517 +* **EU433**: LT with frequency bands EU433
1518 +* **EU868**: LT with frequency bands EU868
1519 +* **KR920**: LT with frequency bands KR920
1520 +* **CN470**: LT with frequency bands CN470
1521 +* **AS923**: LT with frequency bands AS923
1522 +* **AU915**: LT with frequency bands AU915
1523 +* **US915**: LT with frequency bands US915
1524 +* **IN865**: LT with frequency bands IN865
1525 +* **CN779**: LT with frequency bands CN779
1526 +
1527 +1. Packing Info
1528 +
1828 1828  **Package Includes**:
1829 -)))
1830 -)))
1831 1831  
1832 -(((
1833 -(((
1834 -* LT-22222-L I/O Controller x 1
1531 +* LT I/O Controller x 1
1835 1835  * Stick Antenna for LoRa RF part x 1
1836 1836  * Bracket for controller x1
1837 1837  * Program cable x 1
1838 -)))
1839 -)))
1840 1840  
1841 -(((
1842 -(((
1843 1843  **Dimension and weight**:
1844 -)))
1845 -)))
1846 1846  
1847 -(((
1848 -(((
1849 1849  * Device Size: 13.5 x 7 x 3 cm
1850 1850  * Device Weight: 105g
1851 1851  * Package Size / pcs : 14.5 x 8 x 5 cm
1852 1852  * Weight / pcs : 170g
1853 -)))
1854 -)))
1855 1855  
1856 -(((
1857 -= 9. Support =
1858 -)))
1543 +1. Support
1859 1859  
1860 -* (((
1861 -(((
1862 -Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1863 -)))
1864 -)))
1865 -* (((
1866 -(((
1867 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1868 -)))
1869 -)))
1545 +* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1546 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1870 1870  
1871 -(((
1872 -(((
1873 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1874 -)))
1875 -
1876 -(((
1877 -= 10. Reference​​​​​ =
1878 -
1879 -* Product Page:
1880 -
1881 -LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
1882 -
1883 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1884 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1885 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1886 -)))
1887 -)))
1548 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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