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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 66.28
edited by Xiaoling
on 2022/05/24 14:10
Change comment: There is no comment for this version
To version 55.2
edited by Xiaoling
on 2022/05/24 10:10
Change comment: There is no comment for this version

Summary

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... ... @@ -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
... ... @@ -199,19 +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 -== 3.2 Example to join LoRaWAN network ==
136 +3.2 Example to join LoRaWAN network
211 211  
212 -(((
213 213  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. 
214 -)))
215 215  
216 216  [[image:image-20220523172350-1.png||height="266" width="864"]]
217 217  
... ... @@ -311,9 +311,7 @@
311 311  
312 312  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
313 313  
314 -(((
315 315  Total : 11 bytes payload
316 -)))
317 317  
318 318  [[image:image-20220523180452-3.png]]
319 319  
... ... @@ -327,77 +327,53 @@
327 327  * FIRST: Indicate this is the first packet after join network.
328 328  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
329 329  
330 -(((
331 331  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
332 -)))
333 333  
334 -(((
335 335  **To use counting mode, please run:**
336 -)))
337 337  
338 338  (% class="box infomessage" %)
339 339  (((
340 -(((
341 341  **AT+MOD=2**
342 342  )))
343 -)))
344 344  
345 345  (% class="box infomessage" %)
346 346  (((
347 -(((
348 348  **ATZ**
349 349  )))
350 -)))
351 351  
352 -(((
353 353  (% style="color:#4f81bd" %)**AT Commands for counting:**
354 -)))
355 355  
356 -(((
357 357  **For LT22222-L:**
358 -)))
359 359  
360 360  (% class="box infomessage" %)
361 361  (((
362 -(((
363 363  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
364 364  )))
365 -)))
366 366  
367 367  (% class="box infomessage" %)
368 368  (((
369 -(((
370 370  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
371 371  )))
372 -)))
373 373  
374 374  (% class="box infomessage" %)
375 375  (((
376 -(((
377 377  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
378 378  )))
379 -)))
380 380  
381 381  (% class="box infomessage" %)
382 382  (((
383 -(((
384 384  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
385 385  )))
386 -)))
387 387  
388 388  (% class="box infomessage" %)
389 389  (((
390 -(((
391 391  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
392 392  )))
393 -)))
394 394  
395 395  (% class="box infomessage" %)
396 396  (((
397 -(((
398 398  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
399 399  )))
400 -)))
401 401  
402 402  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
403 403  
... ... @@ -415,31 +415,21 @@
415 415  * FIRST: Indicate this is the first packet after join network.
416 416  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
417 417  
418 -(((
419 419  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
420 -)))
421 421  
422 -(((
423 423  **To use counting mode, please run:**
424 -)))
425 425  
426 426  (% class="box infomessage" %)
427 427  (((
428 -(((
429 429  **AT+MOD=3**
430 430  )))
431 -)))
432 432  
433 433  (% class="box infomessage" %)
434 434  (((
435 -(((
436 436  **ATZ**
437 437  )))
438 -)))
439 439  
440 -(((
441 -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]].
442 -)))
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
443 443  
444 444  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
445 445  
... ... @@ -459,67 +459,44 @@
459 459  * FIRST: Indicate this is the first packet after join network.
460 460  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
461 461  
462 -(((
463 463  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
464 -)))
465 465  
466 -(((
467 467  **To use this mode, please run:**
468 -)))
469 469  
470 470  (% class="box infomessage" %)
471 471  (((
472 -(((
473 473  **AT+MOD=4**
474 474  )))
475 -)))
476 476  
477 477  (% class="box infomessage" %)
478 478  (((
479 -(((
480 480  **ATZ**
481 481  )))
482 -)))
483 483  
484 -(((
485 -
486 -)))
487 487  
488 -(((
489 -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]].
490 -)))
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
491 491  
492 -(((
493 493  **Plus below command for AVI1 Counting:**
494 -)))
495 495  
496 496  (% class="box infomessage" %)
497 497  (((
498 -(((
499 499  **AT+SETCNT=3,60   (set AVI Count to 60)**
500 500  )))
501 -)))
502 502  
503 503  (% class="box infomessage" %)
504 504  (((
505 -(((
506 506  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
507 507  )))
508 -)))
509 509  
510 510  (% class="box infomessage" %)
511 511  (((
512 -(((
513 513  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
514 514  )))
515 -)))
516 516  
517 517  (% class="box infomessage" %)
518 518  (((
519 -(((
520 520  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
521 521  )))
522 -)))
523 523  
524 524  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
525 525  
... ... @@ -533,35 +533,23 @@
533 533  
534 534  * RO is for relay. ROx=1 : close，ROx=0 always open.
535 535  * FIRST: Indicate this is the first packet after join network.
536 -* (((
537 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
538 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
539 539  
540 -(((
541 541  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
542 -)))
543 543  
544 -(((
545 545  **To use this mode, please run:**
546 -)))
547 547  
548 548  (% class="box infomessage" %)
549 549  (((
550 -(((
551 551  **AT+MOD=5**
552 552  )))
553 -)))
554 554  
555 555  (% class="box infomessage" %)
556 556  (((
557 -(((
558 558  **ATZ**
559 559  )))
560 -)))
561 561  
562 -(((
563 -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]].
564 -)))
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
565 565  
566 566  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
567 567  
... ... @@ -610,7 +610,7 @@
610 610  
611 611  **Downlink Command to set Trigger Condition**
612 612  
613 -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]]
614 614  
615 615  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
616 616  
... ... @@ -630,7 +630,7 @@
630 630  
631 631  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
632 632  
633 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
634 634  
635 635  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
636 636  
... ... @@ -969,10 +969,8 @@
969 969  
970 970  (% class="box infomessage" %)
971 971  (((
972 -(((
973 973  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
974 974  )))
975 -)))
976 976  
977 977  This is to control the digital output time of DO pin. Include four bytes:
978 978  
... ... @@ -1189,9 +1189,10 @@
1189 1189  
1190 1190  [[image:image-20220524094641-11.png||height="390" width="723"]]
1191 1191  
1043 +
1192 1192  [[image:image-20220524094641-12.png||height="402" width="718"]]
1193 1193  
1194 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1195 1195  
1196 1196  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1197 1197  
... ... @@ -1201,6 +1201,7 @@
1201 1201  
1202 1202  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1203 1203  
1056 +
1204 1204  [[image:image-20220524094909-1.png||height="335" width="729"]]
1205 1205  
1206 1206  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1211,6 +1211,10 @@
1211 1211  
1212 1212  [[image:image-20220524094909-5.png||height="341" width="734"]]
1213 1213  
1067 +
1068 +
1069 +
1070 +
1214 1214  == 3.6 Interface Detail ==
1215 1215  
1216 1216  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1226,10 +1226,8 @@
1226 1226  )))
1227 1227  
1228 1228  (((
1229 -(((
1230 1230  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
1231 1231  )))
1232 -)))
1233 1233  
1234 1234  [[image:1653357170703-587.png]]
1235 1235  
... ... @@ -1247,7 +1247,7 @@
1247 1247  
1248 1248  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1249 1249  
1250 -[[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.**
1105 + //IF// = DI1+ / 1K.
1251 1251  
1252 1252  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1253 1253  
... ... @@ -1261,9 +1261,9 @@
1261 1261  
1262 1262  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1263 1263  
1264 -[[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.**
1265 1265  
1266 -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: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.
1267 1267  
1268 1268  
1269 1269  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1275,9 +1275,9 @@
1275 1275  
1276 1276  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1277 1277  
1278 - [[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.**
1279 1279  
1280 -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.
1281 1281  
1282 1282  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1283 1283  
... ... @@ -1318,10 +1318,12 @@
1318 1318  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:
1319 1319  )))
1320 1320  
1176 +
1321 1321  [[image:image-20220524100215-9.png]]
1322 1322  
1323 1323  [[image:image-20220524100215-10.png||height="382" width="723"]]
1324 1324  
1181 +
1325 1325  == 3.7 LEDs Indicators ==
1326 1326  
1327 1327  [[image:image-20220524100748-11.png]]
... ... @@ -1332,592 +1332,360 @@
1332 1332  
1333 1333  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.
1334 1334  
1335 -[[image:1653358238933-385.png]]
1192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1336 1336  
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 -)))
1340 1340  
1341 -[[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:
1342 1342  
1197 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1198 +
1199 +
1343 1343  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/]]
1344 1344  
1345 -(((
1346 1346  AT+<CMD>?        : Help on <CMD>
1347 -)))
1348 1348  
1349 -(((
1350 1350  AT+<CMD>         : Run <CMD>
1351 -)))
1352 1352  
1353 -(((
1354 1354  AT+<CMD>=<value> : Set the value
1355 -)))
1356 1356  
1357 -(((
1358 1358  AT+<CMD>=?       : Get the value
1359 -)))
1360 1360  
1361 -(((
1362 1362  ATZ: Trig a reset of the MCU
1363 -)))
1364 1364  
1365 -(((
1366 1366  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1367 -)))
1368 1368  
1369 -(((
1370 1370  AT+DEUI: Get or Set the Device EUI
1371 -)))
1372 1372  
1373 -(((
1374 1374  AT+DADDR: Get or Set the Device Address
1375 -)))
1376 1376  
1377 -(((
1378 1378  AT+APPKEY: Get or Set the Application Key
1379 -)))
1380 1380  
1381 -(((
1382 1382  AT+NWKSKEY: Get or Set the Network Session Key
1383 -)))
1384 1384  
1385 -(((
1386 1386  AT+APPSKEY: Get or Set the Application Session Key
1387 -)))
1388 1388  
1389 -(((
1390 1390  AT+APPEUI: Get or Set the Application EUI
1391 -)))
1392 1392  
1393 -(((
1394 1394  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1395 -)))
1396 1396  
1397 -(((
1398 1398  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1399 -)))
1400 1400  
1401 -(((
1402 1402  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1403 -)))
1404 1404  
1405 -(((
1406 1406  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1407 -)))
1408 1408  
1409 -(((
1410 1410  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1411 -)))
1412 1412  
1413 -(((
1414 1414  AT+RX2FQ: Get or Set the Rx2 window frequency
1415 -)))
1416 1416  
1417 -(((
1418 1418  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1419 -)))
1420 1420  
1421 -(((
1422 1422  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1423 -)))
1424 1424  
1425 -(((
1426 1426  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1427 -)))
1428 1428  
1429 -(((
1430 1430  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1431 -)))
1432 1432  
1433 -(((
1434 1434  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1435 -)))
1436 1436  
1437 -(((
1438 1438  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1439 -)))
1440 1440  
1441 -(((
1442 1442  AT+NWKID: Get or Set the Network ID
1443 -)))
1444 1444  
1445 -(((
1446 1446  AT+FCU: Get or Set the Frame Counter Uplink
1447 -)))
1448 1448  
1449 -(((
1450 1450  AT+FCD: Get or Set the Frame Counter Downlink
1451 -)))
1452 1452  
1453 -(((
1454 1454  AT+CLASS: Get or Set the Device Class
1455 -)))
1456 1456  
1457 -(((
1458 1458  AT+JOIN: Join network
1459 -)))
1460 1460  
1461 -(((
1462 1462  AT+NJS: Get OTAA Join Status
1463 -)))
1464 1464  
1465 -(((
1466 1466  AT+SENDB: Send hexadecimal data along with the application port
1467 -)))
1468 1468  
1469 -(((
1470 1470  AT+SEND: Send text data along with the application port
1471 -)))
1472 1472  
1473 -(((
1474 1474  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1475 -)))
1476 1476  
1477 -(((
1478 1478  AT+RECV: Print last received data in raw format
1479 -)))
1480 1480  
1481 -(((
1482 1482  AT+VER: Get current image version and Frequency Band
1483 -)))
1484 1484  
1485 -(((
1486 1486  AT+CFM: Get or Set the confirmation mode (0-1)
1487 -)))
1488 1488  
1489 -(((
1490 1490  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1491 -)))
1492 1492  
1493 -(((
1494 1494  AT+SNR: Get the SNR of the last received packet
1495 -)))
1496 1496  
1497 -(((
1498 1498  AT+RSSI: Get the RSSI of the last received packet
1499 -)))
1500 1500  
1501 -(((
1502 1502  AT+TDC: Get or set the application data transmission interval in ms
1503 -)))
1504 1504  
1505 -(((
1506 1506  AT+PORT: Get or set the application port
1507 -)))
1508 1508  
1509 -(((
1510 1510  AT+DISAT: Disable AT commands
1511 -)))
1512 1512  
1513 -(((
1514 1514  AT+PWORD: Set password, max 9 digits
1515 -)))
1516 1516  
1517 -(((
1518 1518  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1519 -)))
1520 1520  
1521 -(((
1522 1522  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1523 -)))
1524 1524  
1525 -(((
1526 1526  AT+CFG: Print all settings
1527 -)))
1528 1528  
1529 -== 4.2 Common AT Command Sequence ==
1530 1530  
1531 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1532 1532  
1533 -(((
1296 +1.
1297 +11. Common AT Command Sequence
1298 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1299 +
1534 1534  If device has not joined network yet:
1535 -)))
1536 1536  
1537 -(((
1538 -(% style="background-color:#dcdcdc" %)123456
1539 -)))
1302 +123456
1540 1540  
1541 -(((
1542 -(% style="background-color:#dcdcdc" %)AT+FDR
1543 -)))
1304 +AT+FDR
1544 1544  
1545 -(((
1546 -(% style="background-color:#dcdcdc" %)123456
1547 -)))
1306 +123456
1548 1548  
1549 -(((
1550 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1551 -)))
1308 +AT+NJM=0
1552 1552  
1553 -(((
1554 -(% style="background-color:#dcdcdc" %)ATZ
1555 -)))
1310 +ATZ
1556 1556  
1557 1557  
1558 -(((
1559 1559  If device already joined network:
1560 -)))
1561 1561  
1562 -(((
1563 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1564 -)))
1315 +AT+NJM=0
1565 1565  
1566 -(((
1567 -(% style="background-color:#dcdcdc" %)ATZ
1568 -)))
1317 +ATZ
1569 1569  
1570 -=== 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)
1571 1571  
1572 -(((
1573 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1574 -)))
1323 +123456   Enter Password to have AT access.
1575 1575  
1576 -(((
1577 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1578 -)))
1325 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1579 1579  
1580 -(((
1581 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1582 -)))
1327 +123456   Enter Password to have AT access.
1583 1583  
1584 -(((
1585 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1586 -)))
1329 +AT+CLASS=C Set to work in CLASS C
1587 1587  
1588 -(((
1589 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1590 -)))
1331 +AT+NJM=0 Set to ABP mode
1591 1591  
1592 -(((
1593 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1594 -)))
1333 +AT+ADR=0 Set the Adaptive Data Rate Off
1595 1595  
1596 -(((
1597 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1598 -)))
1335 +AT+DR=5  Set Data Rate
1599 1599  
1600 -(((
1601 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1602 -)))
1337 +AT+TDC=60000  Set transmit interval to 60 seconds
1603 1603  
1604 -(((
1605 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1606 -)))
1339 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1607 1607  
1608 -(((
1609 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1610 -)))
1341 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1611 1611  
1612 -(((
1613 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1614 -)))
1343 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1615 1615  
1616 -(((
1617 -(% 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.
1618 -)))
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.
1619 1619  
1620 -(((
1621 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1622 -)))
1347 +ATZ          Reset MCU
1623 1623  
1624 -(((
1625 -(% style="color:red" %)**Note:**
1626 -)))
1349 +**Note:**
1627 1627  
1628 -(((
1629 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1630 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1631 -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.
1632 -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
1633 -)))
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
1634 1634  
1635 -(((
1636 -[[image:1653359097980-169.png||height="188" width="729"]]
1637 -)))
1356 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1638 1638  
1639 -(((
1640 -
1641 -)))
1642 1642  
1643 -=== 4.2.3 Change to Class A ===
1359 +1.
1360 +11.
1361 +111. Change to Class A
1644 1644  
1645 1645  If sensor JOINED
1646 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1364 +
1365 +AT+CLASS=A
1366 +
1647 1647  ATZ
1648 1648  
1649 -= 5. FAQ =
1650 1650  
1651 -== 5.1 How to upgrade the image? ==
1652 1652  
1371 +
1372 +
1373 +1. FAQ
1374 +
1375 +1.
1376 +11. How to upgrade the image?
1377 +
1653 1653  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1654 1654  
1655 1655  * Support new features
1656 1656  * For bug fix
1657 1657  * Change LoRaWAN bands.
1383 +
1658 1658  Below shows the hardware connection for how to upload an image to the LT:
1659 -* [[image:1653359603330-121.png]]
1660 1660  
1661 -(((
1386 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1387 +
1388 +
1662 1662  **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 +
1663 1663  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1392 +
1664 1664  **Step3: **Open flashloader; choose the correct COM port to update.
1394 +
1395 +**For LT-33222-L**:
1396 +
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.
1398 +
1665 1665  **For LT-22222-L**:
1400 +
1666 1666  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.
1402 +
1403 +
1404 +
1405 +|(((
1406 +Board detected
1667 1667  )))
1668 1668  
1669 - [[image:image-20220524103407-12.png]]
1409 +|(((
1410 +
1411 +)))
1670 1670  
1671 -[[image:image-20220524103429-13.png]]
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]]
1672 1672  
1673 -[[image:image-20220524104033-15.png]]
1674 1674  
1675 -(% 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:
1676 1676  
1677 -[[image:1653360054704-518.png||height="186" width="745"]]
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]]
1678 1678  
1679 -(((
1680 -(((
1681 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1682 -)))
1683 -)))
1684 1684  
1685 -(((
1686 -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.
1687 -)))
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]]
1688 1688  
1689 -(((
1690 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1691 -)))
1692 1692  
1693 -(((
1694 -(((
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 +
1695 1695  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1696 -)))
1697 -)))
1698 1698  
1699 -(((
1700 -(((
1701 1701  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1702 -)))
1703 -)))
1704 1704  
1705 -(((
1706 -(% 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.
1707 -)))
1708 1708  
1709 -(((
1710 -[[image:1653360231087-571.png||height="401" width="727"]]
1711 -)))
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.
1712 1712  
1713 -(((
1714 -(% 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.
1715 -)))
1444 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1716 1716  
1717 -(((
1718 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1719 -)))
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.
1720 1720  
1721 -(((
1722 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1723 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1724 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1725 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1726 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1727 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1728 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1729 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1730 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1731 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1732 -)))
1733 1733  
1734 -(((
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 +
1735 1735  As shown in below:
1736 -)))
1737 1737  
1738 -[[image:1653360498588-932.png||height="485" width="726"]]
1473 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1739 1739  
1740 -== 5.4 Can I see counting event in Serial? ==
1741 1741  
1742 -(((
1476 +
1477 +1.
1478 +11. Can I see counting event in Serial?
1479 +
1743 1743  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.
1744 -)))
1745 1745  
1746 -(((
1747 -= 6. Trouble Shooting =
1748 -)))
1749 1749  
1750 -(((
1751 -(((
1752 -== 6.1 Downlink doesn’t work, how to solve it? ==
1753 -)))
1754 -)))
1755 1755  
1756 -(((
1757 -Please see this link for how to debug:
1758 1758  
1759 -[[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/]]
1760 -)))
1485 +1. Trouble Shooting     
1486 +11. Downlink doesn’t work, how to solve it?
1761 1761  
1762 -(((
1488 +Please see this link for how to debug:
1489 +
1763 1763  [[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]]
1764 -)))
1765 1765  
1766 -(((
1767 -== 6.2 Have trouble to upload image. ==
1768 -)))
1769 1769  
1770 -(((
1493 +1.
1494 +11. Have trouble to upload image.
1495 +
1771 1771  See this link for trouble shooting:
1772 -)))
1773 1773  
1774 -(((
1775 1775  [[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]]
1776 -)))
1777 1777  
1778 -(((
1779 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1780 -)))
1781 1781  
1782 -(((
1501 +1.
1502 +11. Why I can’t join TTN in US915 /AU915 bands?
1503 +
1783 1783  It might be about the channels mapping. Please see this link for detail:
1784 -)))
1785 1785  
1786 -(((
1787 1787  [[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]]
1788 -)))
1789 1789  
1790 -(((
1791 -= 7. Order Info =
1792 -)))
1793 1793  
1794 -(((
1795 -(((
1796 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1797 -)))
1798 -)))
1799 1799  
1800 -(((
1801 -(((
1802 -(% style="color:#4f81bd" %)**XXX:**
1803 -)))
1804 -)))
1805 1805  
1806 -(((
1807 -* (((
1808 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1809 -)))
1810 -)))
1511 +1. Order Info
1811 1811  
1812 -(((
1813 -* (((
1814 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1815 -)))
1816 -)))
1513 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1817 1817  
1818 -(((
1819 -* (((
1820 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1821 -)))
1822 -)))
1515 +**XXX:**
1823 1823  
1824 -(((
1825 -* (((
1826 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1827 -)))
1828 -)))
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
1829 1829  
1830 -(((
1831 -* (((
1832 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1833 -)))
1834 -)))
1527 +1. Packing Info
1835 1835  
1836 -(((
1837 -* (((
1838 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1839 -)))
1840 -)))
1841 -
1842 -(((
1843 -* (((
1844 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1845 -)))
1846 -)))
1847 -
1848 -(((
1849 -* (((
1850 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1851 -)))
1852 -)))
1853 -
1854 -(((
1855 -* (((
1856 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1857 -)))
1858 -
1859 -= 8. Packing Info =
1860 -)))
1861 -
1862 -(((
1863 -(((
1864 1864  **Package Includes**:
1865 -)))
1866 -)))
1867 1867  
1868 -(((
1869 -(((
1870 -* LT-22222-L I/O Controller x 1
1531 +* LT I/O Controller x 1
1871 1871  * Stick Antenna for LoRa RF part x 1
1872 1872  * Bracket for controller x1
1873 1873  * Program cable x 1
1874 -)))
1875 -)))
1876 1876  
1877 -(((
1878 -(((
1879 1879  **Dimension and weight**:
1880 -)))
1881 -)))
1882 1882  
1883 -(((
1884 -(((
1885 1885  * Device Size: 13.5 x 7 x 3 cm
1886 1886  * Device Weight: 105g
1887 1887  * Package Size / pcs : 14.5 x 8 x 5 cm
1888 1888  * Weight / pcs : 170g
1889 -)))
1890 -)))
1891 1891  
1892 -(((
1893 -= 9. Support =
1894 -)))
1543 +1. Support
1895 1895  
1896 -* (((
1897 -(((
1898 -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.
1899 -)))
1900 -)))
1901 -* (((
1902 -(((
1903 -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
1904 -)))
1905 -)))
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
1906 1906  
1907 -(((
1908 -(((
1909 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1910 -)))
1911 -
1912 -(((
1913 -= 10. Reference​​​​​ =
1914 -
1915 -* Product Page:
1916 -
1917 -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]]
1918 -
1919 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1920 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1921 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1922 -)))
1923 -)))
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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