Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.42 >
edited by Xiaoling
on 2022/06/25 15:24
To version < 82.14 >
edited by Xiaoling
on 2022/06/20 11:47
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -183,7 +183,6 @@
183 183  
184 184  
185 185  
186 -
187 187  == 1.4  Applications ==
188 188  
189 189  * Smart Buildings & Home Automation
... ... @@ -195,7 +195,6 @@
195 195  
196 196  
197 197  
198 -
199 199  == 1.5 Hardware Variants ==
200 200  
201 201  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -292,8 +292,6 @@
292 292  
293 293  
294 294  
295 -
296 -
297 297  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
298 298  
299 299  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -349,8 +349,6 @@
349 349  
350 350  
351 351  
352 -
353 -
354 354  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
355 355  
356 356  
... ... @@ -400,20 +400,24 @@
400 400  
401 401  (((
402 402  **For LT22222-L:**
397 +)))
403 403  
399 +(% class="box infomessage" %)
400 +(((
401 +(((
402 +**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
404 404  
405 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
404 +**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
406 406  
407 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
406 +**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
408 408  
409 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
408 +**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
410 410  
411 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
410 +**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
412 412  
413 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
414 -
415 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
412 +**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
416 416  )))
414 +)))
417 417  
418 418  
419 419  
... ... @@ -505,19 +505,22 @@
505 505  
506 506  
507 507  **Plus below command for AVI1 Counting:**
506 +)))
508 508  
508 +(% class="box infomessage" %)
509 +(((
510 +(((
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
509 509  
510 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
511 511  
512 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
513 513  
514 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
515 -
516 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
517 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
517 517  )))
519 +)))
518 518  
519 519  
520 -
521 521  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
522 522  
523 523  
... ... @@ -720,8 +720,6 @@
720 720  
721 721  
722 722  
723 -
724 -
725 725  === 3.4.1 Common Commands ===
726 726  
727 727  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
... ... @@ -736,19 +736,23 @@
736 736  
737 737  * (% style="color:#037691" %)**AT Command:**
738 738  
738 +(% class="box infomessage" %)
739 +(((
739 739  **AT+TDC=N **
741 +)))
740 740  
741 -
742 742  **Example: **AT+TDC=30000. Means set interval to 30 seconds
743 743  
744 744  
745 745  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
746 746  
748 +(% class="box infomessage" %)
749 +(((
747 747  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 +)))
748 748  
749 749  
750 750  
751 -
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
754 754  Set work mode.
... ... @@ -755,29 +755,36 @@
755 755  
756 756  * (% style="color:#037691" %)**AT Command:**
757 757  
761 +(% class="box infomessage" %)
762 +(((
758 758  **AT+MOD=N  **
764 +)))
759 759  
760 -
761 761  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
762 762  
763 763  
764 764  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
765 765  
766 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
771 +(% class="box infomessage" %)
772 +(((
773 +**0x0A aa     ~/~/ Same as AT+MOD=aa**
774 +)))
767 767  
768 768  
769 769  
770 -
771 771  ==== 3.4.2.3 Poll an uplink ====
772 772  
773 -* (% style="color:#037691" %)**AT Command:**
780 +* (% style="color:#037691" %)AT Command:
774 774  
775 775  There is no AT Command to poll uplink
776 776  
777 777  
778 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
779 779  
780 -**0x08 FF     **~/~/ Poll an uplink
787 +(% class="box infomessage" %)
788 +(((
789 +**0x08 FF     ~/~/ Poll an uplink,**
790 +)))
781 781  
782 782  **Example**: 0x08FF, ask device to send an Uplink
783 783  
... ... @@ -787,9 +787,12 @@
787 787  
788 788  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
789 789  
790 -* (% style="color:#037691" %)**AT Command:**
800 +* (% style="color:#037691" %)AT Command:
791 791  
802 +(% class="box infomessage" %)
803 +(((
792 792  **AT+ADDMOD6=1 or 0**
805 +)))
793 793  
794 794  1: Enable Trigger Mode
795 795  
... ... @@ -796,36 +796,43 @@
796 796  0: Disable Trigger Mode
797 797  
798 798  
799 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
800 800  
801 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
814 +(% class="box infomessage" %)
815 +(((
816 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
817 +)))
802 802  
803 803  
804 804  
805 -
806 806  ==== 3.4.2.5 Poll trigger settings ====
807 807  
808 808  Poll trigger settings,
809 809  
810 -* (% style="color:#037691" %)**AT Command:**
825 +* (% style="color:#037691" %)AT Command:
811 811  
812 812  There is no AT Command for this feature.
813 813  
814 814  
815 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
816 816  
817 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
832 +(% class="box infomessage" %)
833 +(((
834 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
835 +)))
818 818  
819 819  
820 820  
821 -
822 822  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
823 823  
824 824  Enable Disable DI1/DI2/DI2 as trigger,
825 825  
826 -* (% style="color:#037691" %)**AT Command:**
843 +* (% style="color:#037691" %)AT Command:
827 827  
845 +(% class="box infomessage" %)
846 +(((
828 828  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
848 +)))
829 829  
830 830  
831 831  **Example:**
... ... @@ -832,20 +832,25 @@
832 832  
833 833  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
834 834  
835 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
836 836  
837 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
857 +(% class="box infomessage" %)
858 +(((
859 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
860 +)))
838 838  
839 839  
840 840  
841 -
842 842  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
843 843  
844 844  Set DI1 or DI3(for LT-33222-L) trigger.
845 845  
846 -* (% style="color:#037691" %)**AT Command:**
868 +* (% style="color:#037691" %)AT Command:
847 847  
870 +(% class="box infomessage" %)
871 +(((
848 848  **AT+TRIG1=a,b**
873 +)))
849 849  
850 850  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
851 851  
... ... @@ -857,19 +857,26 @@
857 857  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
858 858  
859 859  
860 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
861 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
862 862  
887 +(% class="box infomessage" %)
888 +(((
889 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
890 +)))
863 863  
892 +
893 +
864 864  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
865 865  
866 866  Set DI2 trigger.
867 867  
868 -* (% style="color:#037691" %)**AT Command:**
898 +* (% style="color:#037691" %)AT Command:
869 869  
900 +(% class="box infomessage" %)
901 +(((
870 870  **AT+TRIG2=a,b**
903 +)))
871 871  
872 -
873 873  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
874 874  
875 875  b : delay timing.
... ... @@ -880,72 +880,93 @@
880 880  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
881 881  
882 882  
883 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
884 884  
885 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
917 +(% class="box infomessage" %)
918 +(((
919 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
920 +)))
886 886  
887 887  
888 888  
889 -
890 890  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
891 891  
892 892  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893 893  
894 -* (% style="color:#037691" %)**AT Command**
928 +* (% style="color:#037691" %)AT Command:
895 895  
896 -**AT+ACLIM**
930 +(% class="box infomessage" %)
931 +(((
932 +**AT+ACLIM. **
933 +)))
897 897  
898 898  
899 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
900 900  
901 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
938 +(% class="box infomessage" %)
939 +(((
940 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
941 +)))
902 902  
903 903  
904 904  
905 -
906 906  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
907 907  
908 908  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
909 909  
910 -* (% style="color:#037691" %)**AT Command**
949 +* (% style="color:#037691" %)AT Command:
911 911  
912 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 +)))
913 913  
914 914  
915 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
916 916  
917 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
959 +(% class="box infomessage" %)
960 +(((
961 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
962 +)))
918 918  
919 919  
920 920  
921 -
922 922  ==== 3.4.2.11 Trigger – Set minimum interval ====
923 923  
924 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
968 +Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
925 925  
926 -* (% style="color:#037691" %)**AT Command**
970 +* (% style="color:#037691" %)AT Command:
927 927  
928 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
972 +(% class="box infomessage" %)
973 +(((
974 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
975 +)))
929 929  
930 930  
931 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
932 932  
933 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
980 +(% class="box infomessage" %)
981 +(((
982 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
983 +)))
934 934  
935 935  
936 936  
937 -
938 938  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
939 939  
940 -* (% style="color:#037691" %)**AT Command**
989 +* (% style="color:#037691" %)AT Command:
941 941  
942 942  There is no AT Command to control Digital Output
943 943  
944 944  
945 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
946 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
947 947  
996 +(% class="box infomessage" %)
948 948  (((
998 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
999 +)))
1000 +
1001 +(((
949 949  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
950 950  )))
951 951  
... ... @@ -965,19 +965,22 @@
965 965  
966 966  
967 967  
968 -
969 969  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
970 970  
971 -* (% style="color:#037691" %)**AT Command**
1023 +* (% style="color:#037691" %)AT Command:
972 972  
973 973  There is no AT Command to control Digital Output
974 974  
975 975  
976 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
977 977  
978 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1030 +(% class="box infomessage" %)
1031 +(((
1032 +(((
1033 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1034 +)))
1035 +)))
979 979  
980 -
981 981  This is to control the digital output time of DO pin. Include four bytes:
982 982  
983 983  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1031,19 +1031,20 @@
1031 1031  
1032 1032  
1033 1033  
1034 -
1035 1035  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1036 1036  
1037 -* (% style="color:#037691" %)**AT Command:**
1092 +* (% style="color:#037691" %)AT Command:
1038 1038  
1039 1039  There is no AT Command to control Relay Output
1040 1040  
1041 1041  
1042 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1043 1043  
1044 -**0x03 aa bb     **~/~/ Set RO1/RO2 output
1099 +(% class="box infomessage" %)
1100 +(((
1101 +**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1102 +)))
1045 1045  
1046 -
1047 1047  (((
1048 1048  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1049 1049  )))
... ... @@ -1060,10 +1060,9 @@
1060 1060  
1061 1061  
1062 1062  
1063 -
1064 1064  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1065 1065  
1066 -* (% style="color:#037691" %)**AT Command:**
1122 +* (% style="color:#037691" %)AT Command:
1067 1067  
1068 1068  There is no AT Command to control Relay Output
1069 1069  
... ... @@ -1121,7 +1121,7 @@
1121 1121  
1122 1122  * (% style="color:#037691" %)**AT Command:**
1123 1123  
1124 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1180 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1125 1125  
1126 1126  
1127 1127  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1135,7 +1135,7 @@
1135 1135  
1136 1136  * (% style="color:#037691" %)**AT Command:**
1137 1137  
1138 -**AT+SETCNT=aa,(bb cc dd ee) **
1194 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1139 1139  
1140 1140  aa: 1: Set count1,
1141 1141  
... ... @@ -1159,7 +1159,7 @@
1159 1159  
1160 1160  * (% style="color:#037691" %)**AT Command:**
1161 1161  
1162 -**AT+CLRCOUNT ** ~/~/ clear all counting
1218 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1163 1163  
1164 1164  
1165 1165  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1417,7 +1417,6 @@
1417 1417  [[image:image-20220524100748-11.png]]
1418 1418  
1419 1419  
1420 -
1421 1421  = 4. Use AT Command =
1422 1422  
1423 1423  == 4.1 Access AT Command ==
... ... @@ -1620,6 +1620,8 @@
1620 1620  
1621 1621  (((
1622 1622  AT+CFG: Print all settings
1678 +
1679 +
1623 1623  )))
1624 1624  
1625 1625  
... ... @@ -1665,6 +1665,8 @@
1665 1665  
1666 1666  (((
1667 1667  (% style="background-color:#dcdcdc" %)ATZ
1725 +
1726 +
1668 1668  )))
1669 1669  
1670 1670  
... ... @@ -1871,8 +1871,6 @@
1871 1871  == 5.5 Can i use point to point communication for LT-22222-L? ==
1872 1872  
1873 1873  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1874 -
1875 -
1876 1876  )))
1877 1877  
1878 1878  (((
... ... @@ -1886,7 +1886,6 @@
1886 1886  
1887 1887  After restart, the status before power failure will be read from flash.
1888 1888  
1889 -
1890 1890  = 6. Trouble Shooting =
1891 1891  )))
1892 1892  
... ... @@ -1921,8 +1921,10 @@
1921 1921  )))
1922 1922  
1923 1923  
1980 +
1924 1924  = 7. Order Info =
1925 1925  
1983 +
1926 1926  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1927 1927  
1928 1928  
... ... @@ -1938,7 +1938,6 @@
1938 1938  * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1939 1939  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1940 1940  
1941 -
1942 1942  = 8. Packing Info =
1943 1943  
1944 1944  
... ... @@ -1956,7 +1956,6 @@
1956 1956  * Package Size / pcs : 14.5 x 8 x 5 cm
1957 1957  * Weight / pcs : 170g
1958 1958  
1959 -
1960 1960  = 9. Support =
1961 1961  
1962 1962  * (((
... ... @@ -1964,10 +1964,6 @@
1964 1964  )))
1965 1965  * (((
1966 1966  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]]
1967 -
1968 -
1969 -
1970 -
1971 1971  )))
1972 1972  
1973 1973  = 10. Reference​​​​​ =

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