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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.17
edited by Xiaoling
on 2022/06/06 11:05
Change comment: There is no comment for this version
To version 40.20
edited by Xiaoling
on 2022/06/06 09:44
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -94,6 +94,8 @@
94 94  * 127 dB Dynamic Range RSSI.
95 95  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
96 96  
97 +
98 +
97 97  == 1.3 Features ==
98 98  
99 99  * LoRaWAN Class A & Class C protocol (default Class A)
... ... @@ -105,6 +105,8 @@
105 105  * Support Modbus protocol
106 106  * Support Interrupt uplink
107 107  
110 +
111 +
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -114,6 +114,8 @@
114 114  * Smart Cities
115 115  * Smart Factory
116 116  
121 +
122 +
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
... ... @@ -124,47 +124,29 @@
124 124  (((
125 125  
126 126  
127 -(((
128 128  v1.4
129 129  )))
130 -)))
131 131  
132 132  (((
133 -(((
134 134  ~1. Change Power IC to TPS22916
135 135  )))
136 -)))
137 137  
138 -(((
139 -
140 -)))
141 141  
142 142  (((
143 -(((
144 144  v1.3
145 145  )))
146 -)))
147 147  
148 148  (((
149 -(((
150 150  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
151 151  )))
152 -)))
153 153  
154 -(((
155 -
156 -)))
157 157  
158 158  (((
159 -(((
160 160  v1.2
161 161  )))
162 -)))
163 163  
164 164  (((
165 -(((
166 166  Release version ​​​​​
167 -)))
168 168  
169 169  
170 170  )))
... ... @@ -258,129 +258,81 @@
258 258  
259 259  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
260 260  
261 -(((
262 262  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
263 -)))
264 264  
265 -(((
266 266  **~1. RS485-MODBUS mode:**
267 -)))
268 268  
269 -(((
270 270  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
271 -)))
272 272  
273 -(((
274 274  **2. TTL mode:**
275 -)))
276 276  
277 -(((
278 278  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
279 -)))
280 280  
281 -(((
282 282  RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match.
283 -)))
284 284  
285 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
286 -|=(% style="width: 120px;" %)(((
287 -(((
261 +(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
262 +|(((
288 288  **AT Commands**
289 -)))
290 -)))|=(% style="width: 190px;" %)(((
291 -(((
264 +)))|(% style="width:285px" %)(((
292 292  **Description**
293 -)))
294 -)))|=(% style="width: 190px;" %)(((
295 -(((
266 +)))|(% style="width:347px" %)(((
296 296  **Example**
297 297  )))
298 -)))
299 -|(% style="width:120px" %)(((
300 -(((
269 +|(((
301 301  AT+BAUDR
302 -)))
303 -)))|(% style="width:190px" %)(((
304 -(((
271 +)))|(% style="width:285px" %)(((
305 305  Set the baud rate (for RS485 connection). Default Value is: 9600.
306 -)))
307 -)))|(% style="width:190px" %)(((
273 +)))|(% style="width:347px" %)(((
308 308  (((
309 -(((
310 310  AT+BAUDR=9600
311 311  )))
312 -)))
313 313  
314 314  (((
315 -(((
316 316  Options: (1200,2400,4800,14400,19200,115200)
317 317  )))
318 318  )))
319 -)))
320 -|(% style="width:120px" %)(((
321 -(((
282 +|(((
322 322  AT+PARITY
323 -)))
324 -)))|(% style="width:190px" %)(((
284 +)))|(% style="width:285px" %)(((
325 325  (((
326 -(((
327 327  Set UART parity (for RS485 connection)
328 328  )))
329 -)))
330 330  
331 331  (((
332 -(((
333 333  Default Value is: no parity.
334 334  )))
335 -)))
336 -)))|(% style="width:190px" %)(((
292 +)))|(% style="width:347px" %)(((
337 337  (((
338 -(((
339 339  AT+PARITY=0
340 340  )))
341 -)))
342 342  
343 343  (((
344 -(((
345 345  Option: 0: no parity, 1: odd parity, 2: even parity
346 346  )))
347 347  )))
348 -)))
349 -|(% style="width:120px" %)(((
350 -(((
301 +|(((
351 351  AT+STOPBIT
352 -)))
353 -)))|(% style="width:190px" %)(((
303 +)))|(% style="width:285px" %)(((
354 354  (((
355 -(((
356 356  Set serial stopbit (for RS485 connection)
357 357  )))
358 -)))
359 359  
360 360  (((
361 -(((
362 362  Default Value is: 1bit.
363 363  )))
364 -)))
365 -)))|(% style="width:190px" %)(((
311 +)))|(% style="width:347px" %)(((
366 366  (((
367 -(((
368 368  AT+STOPBIT=0 for 1bit
369 369  )))
370 -)))
371 371  
372 372  (((
373 -(((
374 374  AT+STOPBIT=1 for 1.5 bit
375 375  )))
376 -)))
377 377  
378 378  (((
379 -(((
380 380  AT+STOPBIT=2 for 2 bits
381 381  )))
382 382  )))
383 -)))
384 384  
385 385  
386 386  
... ... @@ -394,20 +394,19 @@
394 394  When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
395 395  )))
396 396  
397 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
398 -|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
399 -|AT+CFGDEV|(% style="width:120px" %)(((
337 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
338 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
339 +|AT+CFGDEV|(% style="width:418px" %)(((
400 400  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
401 401  
402 402  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
403 403  
404 404  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
405 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
345 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
406 406  
407 407  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
408 408  
409 409  
410 -
411 411  === 3.3.3 Configure read commands for each sampling ===
412 412  
413 413  (((
... ... @@ -474,213 +474,117 @@
474 474  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
475 475  )))
476 476  
477 -(((
478 478  **Examples:**
479 -)))
480 480  
481 -(((
482 482  Below are examples for the how above AT Commands works.
483 -)))
484 484  
485 -(((
486 486  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
487 -)))
488 488  
489 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
422 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
490 490  |(% style="width:498px" %)(((
491 -(((
492 492  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
493 -)))
494 494  
495 -(((
496 496  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
497 -)))
498 498  
499 -(((
500 500  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
501 501  )))
502 -)))
503 503  
504 -(((
505 505  For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
506 -)))
507 507  
508 -(((
509 509  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
510 -)))
511 511  
512 -(((
513 -
514 -)))
515 -
516 -(((
517 517  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
518 -)))
519 519  
520 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
437 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
521 521  |(% style="width:577px" %)(((
522 -(((
523 523  **AT+SEARCHx=aa,xx xx xx xx xx**
524 -)))
525 525  
526 -* (((
527 -**aa: 1: prefix match mode; 2: prefix and suffix match mode**
441 +* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
442 +* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
528 528  )))
529 -* (((
530 -**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
531 -)))
532 -)))
533 533  
534 -(((
535 535  **Examples:**
536 -)))
537 537  
538 -(((
539 539  1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
540 -)))
541 541  
542 -(((
543 543  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
544 -)))
545 545  
546 -(((
547 547  The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)**2e 30 58 5f 36 41 30 31 00 49**
548 -)))
549 549  
550 -(((
551 551  [[image:1653271044481-711.png]]
552 -)))
553 553  
554 -(((
555 555  2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
556 -)))
557 557  
558 -(((
559 559  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
560 -)))
561 561  
562 -(((
563 563  Device will search the bytes between 1E 56 34 and 31 00 49. So it is(% style="background-color:yellow" %) **2e 30 58 5f 36 41 30**
564 -)))
565 565  
566 -(((
567 567  [[image:1653271276735-972.png]]
568 -)))
569 569  
570 -(((
571 571  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
572 -)))
573 573  
574 -(% style="background-color:#4f81bd; color:white; width:510px" %)
465 +(% style="background-color:#4f81bd; color:white; width:729px" %)
575 575  |(% style="width:726px" %)(((
576 -(((
577 577  **AT+DATACUTx=a,b,c**
578 -)))
579 579  
580 -* (((
581 -**a: length for the return of AT+COMMAND**
469 +* **a: length for the return of AT+COMMAND**
470 +* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
471 +* **c: define the position for valid value.  **
582 582  )))
583 -* (((
584 -**b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
585 -)))
586 -* (((
587 -**c: define the position for valid value.  **
588 -)))
589 -)))
590 590  
591 -(((
592 592  **Examples:**
593 -)))
594 594  
595 -* (((
596 -Grab bytes:
597 -)))
476 +* Grab bytes:
598 598  
599 -(((
600 600  [[image:1653271581490-837.png||height="313" width="722"]]
601 -)))
602 602  
603 -(((
604 -
605 -)))
606 606  
607 -* (((
608 -Grab a section.
609 -)))
481 +* Grab a section.
610 610  
611 -(((
612 612  [[image:1653271648378-342.png||height="326" width="720"]]
613 -)))
614 614  
615 -(((
616 -
617 -)))
618 618  
619 -* (((
620 -Grab different sections.
621 -)))
486 +* Grab different sections.
622 622  
623 -(((
624 624  [[image:1653271657255-576.png||height="305" width="730"]]
625 -)))
626 626  
627 627  (((
628 -(((
629 629  (% style="color:red" %)**Note:**
630 630  )))
631 -)))
632 632  
633 633  (((
634 -(((
635 635  AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
636 636  )))
637 -)))
638 638  
639 639  (((
640 -(((
641 641  **Example:**
642 642  )))
643 -)))
644 644  
645 645  (((
646 -(((
647 647  (% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
648 648  )))
649 -)))
650 650  
651 651  (((
652 -(((
653 653  (% style="color:red" %)AT+SEARCH1=1,1E 56 34
654 654  )))
655 -)))
656 656  
657 657  (((
658 -(((
659 659  (% style="color:red" %)AT+DATACUT1=0,2,1~~5
660 660  )))
661 -)))
662 662  
663 663  (((
664 -(((
665 665  (% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
666 666  )))
667 -)))
668 668  
669 669  (((
670 -(((
671 671  (% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
672 672  )))
673 -)))
674 674  
675 675  (((
676 -(((
677 677  (% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
678 678  )))
679 -)))
680 680  
681 -(((
682 682  [[image:1653271763403-806.png]]
683 -)))
684 684  
685 685  
686 686  === 3.3.4 Compose the uplink payload ===
... ... @@ -687,14 +687,10 @@
687 687  
688 688  (((
689 689  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
690 -
691 -
692 692  )))
693 693  
694 694  (((
695 695  (% style="color:#037691" %)**Examples: AT+DATAUP=0**
696 -
697 -
698 698  )))
699 699  
700 700  (((
... ... @@ -827,8 +827,26 @@
827 827  
828 828  == 3.4 Uplink Payload ==
829 829  
830 -[[image:image-20220606105412-1.png]]
669 +(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
670 +|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
671 +|Value|(% style="width:130px" %)(((
672 +(((
673 +Battery(mV)
674 +)))
831 831  
676 +(((
677 +&
678 +)))
679 +
680 +(((
681 +Interrupt _Flag
682 +)))
683 +)))|(% style="width:93px" %)(((
684 +PAYLOAD_VER
685 +
686 +
687 +)))|(% style="width:509px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
688 +
832 832  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
833 833  
834 834  (((
... ... @@ -886,21 +886,13 @@
886 886  
887 887  == 3.5 Configure RS485-BL via AT or Downlink ==
888 888  
889 -(((
890 890  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
891 -)))
892 892  
893 -(((
894 894  There are two kinds of Commands:
895 -)))
896 896  
897 -* (((
898 -(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
899 -)))
750 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
900 900  
901 -* (((
902 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
903 -)))
752 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
904 904  
905 905  
906 906  
... ... @@ -912,7 +912,6 @@
912 912  === 3.5.2 Sensor related commands: ===
913 913  
914 914  
915 -
916 916  ==== **Choose Device Type (RS485 or TTL)** ====
917 917  
918 918  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -936,7 +936,6 @@
936 936  
937 937  
938 938  
939 -
940 940  ==== **RS485 Debug Command (AT+CFGDEV)** ====
941 941  
942 942  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
... ... @@ -988,7 +988,6 @@
988 988  
989 989  
990 990  
991 -
992 992  ==== **Set Payload version** ====
993 993  
994 994  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
... ... @@ -1009,7 +1009,6 @@
1009 1009  
1010 1010  
1011 1011  
1012 -
1013 1013  ==== **Set RS485 Sampling Commands** ====
1014 1014  
1015 1015  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
... ... @@ -1071,7 +1071,6 @@
1071 1071  
1072 1072  
1073 1073  
1074 -
1075 1075  ==== **Fast command to handle MODBUS device** ====
1076 1076  
1077 1077  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
... ... @@ -1105,7 +1105,6 @@
1105 1105  
1106 1106  
1107 1107  
1108 -
1109 1109  ==== **RS485 command timeout** ====
1110 1110  
1111 1111  Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
... ... @@ -1137,7 +1137,6 @@
1137 1137  
1138 1138  
1139 1139  
1140 -
1141 1141  ==== **Uplink payload mode** ====
1142 1142  
1143 1143  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1176,7 +1176,6 @@
1176 1176  
1177 1177  
1178 1178  
1179 -
1180 1180  ==== **Clear RS485 Command** ====
1181 1181  
1182 1182  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
... ... @@ -1184,9 +1184,7 @@
1184 1184  
1185 1185  * **AT Command:**
1186 1186  
1187 -(((
1188 1188  (% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1189 -)))
1190 1190  
1191 1191  Example screen shot after clear all RS485 commands. 
1192 1192  
... ... @@ -1202,7 +1202,6 @@
1202 1202  
1203 1203  
1204 1204  
1205 -
1206 1206  ==== **Set Serial Communication Parameters** ====
1207 1207  
1208 1208  Set the Rs485 serial communication parameters:
... ... @@ -1246,7 +1246,6 @@
1246 1246  
1247 1247  
1248 1248  
1249 -
1250 1250  ==== **Control output power duration** ====
1251 1251  
1252 1252  User can set the output power duration before each sampling.
... ... @@ -1267,7 +1267,6 @@
1267 1267  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1268 1268  
1269 1269  
1270 -
1271 1271  == 3.6 Buttons ==
1272 1272  
1273 1273  (% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
... ... @@ -1316,6 +1316,8 @@
1316 1316  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1317 1317  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1318 1318  
1155 +
1156 +
1319 1319  == 3.10 Switch Jumper ==
1320 1320  
1321 1321  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1355,7 +1355,7 @@
1355 1355  [[image:1654136105500-922.png]]
1356 1356  
1357 1357  
1358 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1196 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1359 1359  
1360 1360  
1361 1361  == 5.2 Common AT Command Sequence ==
... ... @@ -1459,17 +1459,13 @@
1459 1459  
1460 1460  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1461 1461  
1462 -(((
1463 1463  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1464 -)))
1465 1465  
1466 1466  
1467 1467  
1468 1468  == 6.3 How many RS485-Slave can RS485-BL connects? ==
1469 1469  
1470 -(((
1471 1471  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1472 -)))
1473 1473  
1474 1474  
1475 1475  
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1503 1503  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1504 1504  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1505 1505  
1340 +
1506 1506  = 9. Packing Info =
1507 1507  
1508 1508  (((
... ... @@ -1540,9 +1540,5 @@
1540 1540  
1541 1541  = 10. Support =
1542 1542  
1543 -* (((
1544 -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.
1545 -)))
1546 -* (((
1547 -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 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1548 -)))
1378 +* 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.
1379 +* 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 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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