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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 75.11
edited by Xiaoling
on 2022/06/01 17:29
Change comment: There is no comment for this version
To version 77.35
edited by Xiaoling
on 2022/06/10 08:53
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -11,6 +11,9 @@
11 11  
12 12  
13 13  
14 +
15 +
16 +
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -48,6 +48,8 @@
48 48  == 1.2  Specifications ==
49 49  
50 50  (((
54 +
55 +
51 51  **Hardware System:**
52 52  )))
53 53  
... ... @@ -157,6 +157,7 @@
157 157  
158 158  )))
159 159  
165 +
160 160  == 1.3 Features ==
161 161  
162 162  * LoRaWAN Class A & Class C protocol
... ... @@ -168,7 +168,6 @@
168 168  * Counting
169 169  
170 170  
171 -
172 172  == 1.4  Applications ==
173 173  
174 174  * Smart Buildings & Home Automation
... ... @@ -179,7 +179,6 @@
179 179  * Smart Factory
180 180  
181 181  
182 -
183 183  == 1.5 Hardware Variants ==
184 184  
185 185  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,7 +194,6 @@
194 194  )))
195 195  
196 196  
197 -
198 198  = 2. Power ON Device =
199 199  
200 200  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -206,6 +206,7 @@
206 206  [[image:1653297104069-180.png]]
207 207  
208 208  
212 +
209 209  = 3. Operation Mode =
210 210  
211 211  == 3.1 How it works? ==
... ... @@ -220,6 +220,8 @@
220 220  
221 221  )))
222 222  
227 +
228 +
223 223  == 3.2 Example to join LoRaWAN network ==
224 224  
225 225  (((
... ... @@ -261,6 +261,7 @@
261 261  [[image:1653298044601-602.png||height="405" width="709"]]
262 262  
263 263  
270 +
264 264  == 3.3 Uplink Payload ==
265 265  
266 266  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -273,7 +273,6 @@
273 273  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
274 274  
275 275  
276 -
277 277  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
278 278  
279 279  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -325,7 +325,6 @@
325 325  ** DO1 LED is off in both case
326 326  
327 327  
328 -
329 329  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
330 330  
331 331  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -419,6 +419,7 @@
419 419  )))
420 420  
421 421  
427 +
422 422  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
423 423  
424 424  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -463,6 +463,8 @@
463 463  
464 464  )))
465 465  
472 +
473 +
466 466  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
467 467  
468 468  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -544,6 +544,7 @@
544 544  )))
545 545  
546 546  
555 +
547 547  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
548 548  
549 549  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -588,6 +588,8 @@
588 588  
589 589  )))
590 590  
600 +
601 +
591 591  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
592 592  
593 593  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -614,6 +614,7 @@
614 614  
615 615  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
616 616  
628 +
617 617  (% style="color:#4f81bd" %)**Trigger base on current**:
618 618  
619 619  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -622,6 +622,7 @@
622 622  
623 623  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
624 624  
637 +
625 625  (% style="color:#4f81bd" %)**Trigger base on DI status**:
626 626  
627 627  DI status trigger Flag.
... ... @@ -709,6 +709,7 @@
709 709  When device got this command, it will send the MOD6 payload.
710 710  
711 711  
725 +
712 712  === 3.3.7 Payload Decoder ===
713 713  
714 714  (((
... ... @@ -717,6 +717,8 @@
717 717  
718 718  )))
719 719  
734 +
735 +
720 720  == 3.4 ​Configure LT via AT or Downlink ==
721 721  
722 722  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -725,15 +725,17 @@
725 725  There are two kinds of Commands:
726 726  )))
727 727  
728 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
744 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
729 729  
730 730  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
731 731  
748 +
732 732  === 3.4.1 Common Commands ===
733 733  
734 734  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]]
735 735  
736 736  
754 +
737 737  === 3.4.2 Sensor related commands ===
738 738  
739 739  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -757,6 +757,7 @@
757 757  )))
758 758  
759 759  
778 +
760 760  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
761 761  
762 762  Set work mode.
... ... @@ -778,6 +778,7 @@
778 778  )))
779 779  
780 780  
800 +
781 781  ==== 3.4.2.3 Poll an uplink ====
782 782  
783 783  * AT Command:
... ... @@ -794,9 +794,10 @@
794 794  **Example**: 0x08FF, ask device to send an Uplink
795 795  
796 796  
817 +
797 797  ==== 3.4.2.4 Enable Trigger Mode ====
798 798  
799 -Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
820 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
800 800  
801 801  * AT Command:
802 802  
... ... @@ -817,6 +817,7 @@
817 817  )))
818 818  
819 819  
841 +
820 820  ==== 3.4.2.5 Poll trigger settings ====
821 821  
822 822  Poll trigger settings,
... ... @@ -833,6 +833,7 @@
833 833  )))
834 834  
835 835  
858 +
836 836  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
837 837  
838 838  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -856,6 +856,7 @@
856 856  )))
857 857  
858 858  
882 +
859 859  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
860 860  
861 861  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -883,6 +883,7 @@
883 883  )))
884 884  
885 885  
910 +
886 886  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
887 887  
888 888  Set DI2 trigger.
... ... @@ -910,9 +910,10 @@
910 910  )))
911 911  
912 912  
938 +
913 913  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
914 914  
915 -Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
941 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
916 916  
917 917  * AT Command:
918 918  
... ... @@ -925,19 +925,20 @@
925 925  
926 926  (% class="box infomessage" %)
927 927  (((
928 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
954 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
929 929  )))
930 930  
931 931  
958 +
932 932  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
933 933  
934 -Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
961 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
935 935  
936 936  * AT Command:
937 937  
938 938  (% class="box infomessage" %)
939 939  (((
940 -**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
967 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
941 941  )))
942 942  
943 943  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -944,10 +944,11 @@
944 944  
945 945  (% class="box infomessage" %)
946 946  (((
947 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
974 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
948 948  )))
949 949  
950 950  
978 +
951 951  ==== 3.4.2.11 Trigger – Set minimum interval ====
952 952  
953 953  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -967,6 +967,7 @@
967 967  )))
968 968  
969 969  
998 +
970 970  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
971 971  
972 972  * AT Command:
... ... @@ -999,6 +999,7 @@
999 999  )))
1000 1000  
1001 1001  
1031 +
1002 1002  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1003 1003  
1004 1004  * AT Command:
... ... @@ -1061,6 +1061,7 @@
1061 1061  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1062 1062  
1063 1063  
1094 +
1064 1064  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1065 1065  
1066 1066  * AT Command:
... ... @@ -1089,6 +1089,7 @@
1089 1089  Device will upload a packet if downlink code executes successfully.
1090 1090  
1091 1091  
1123 +
1092 1092  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1093 1093  
1094 1094  * AT Command:
... ... @@ -1139,15 +1139,16 @@
1139 1139  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1140 1140  
1141 1141  
1174 +
1142 1142  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1143 1143  
1144 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1177 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1145 1145  
1146 1146  * AT Command:
1147 1147  
1148 1148  (% class="box infomessage" %)
1149 1149  (((
1150 -**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1183 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1151 1151  )))
1152 1152  
1153 1153  * Downlink Payload (prefix 0xA5):
... ... @@ -1158,6 +1158,7 @@
1158 1158  )))
1159 1159  
1160 1160  
1194 +
1161 1161  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1162 1162  
1163 1163  * AT Command:
... ... @@ -1183,6 +1183,7 @@
1183 1183  )))
1184 1184  
1185 1185  
1220 +
1186 1186  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1187 1187  
1188 1188  Clear counting for counting mode
... ... @@ -1202,6 +1202,7 @@
1202 1202  )))
1203 1203  
1204 1204  
1240 +
1205 1205  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1206 1206  
1207 1207  * AT Command:
... ... @@ -1224,6 +1224,8 @@
1224 1224  
1225 1225  )))
1226 1226  
1263 +
1264 +
1227 1227  == 3.5 Integrate with Mydevice ==
1228 1228  
1229 1229  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
... ... @@ -1242,6 +1242,7 @@
1242 1242  
1243 1243  [[image:image-20220524094641-12.png||height="402" width="718"]]
1244 1244  
1283 +
1245 1245  **Step 3**: Create an account or log in Mydevices.
1246 1246  
1247 1247  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1264,6 +1264,7 @@
1264 1264  [[image:image-20220524094909-5.png||height="341" width="734"]]
1265 1265  
1266 1266  
1306 +
1267 1267  == 3.6 Interface Detail ==
1268 1268  
1269 1269  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1273,6 +1273,7 @@
1273 1273  [[image:1653356991268-289.png]]
1274 1274  
1275 1275  
1316 +
1276 1276  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1277 1277  
1278 1278  (((
... ... @@ -1387,6 +1387,7 @@
1387 1387  )))
1388 1388  
1389 1389  
1431 +
1390 1390  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1391 1391  
1392 1392  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1394,6 +1394,7 @@
1394 1394  [[image:1653357531600-905.png]]
1395 1395  
1396 1396  
1439 +
1397 1397  === 3.6.4 Analog Input Interface ===
1398 1398  
1399 1399  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1422,6 +1422,7 @@
1422 1422  [[image:1653357648330-671.png||height="155" width="733"]]
1423 1423  
1424 1424  
1468 +
1425 1425  === 3.6.5 Relay Output ===
1426 1426  
1427 1427  (((
... ... @@ -1433,6 +1433,7 @@
1433 1433  [[image:image-20220524100215-10.png||height="382" width="723"]]
1434 1434  
1435 1435  
1480 +
1436 1436  == 3.7 LEDs Indicators ==
1437 1437  
1438 1438  [[image:image-20220524100748-11.png]]
... ... @@ -1642,6 +1642,8 @@
1642 1642  
1643 1643  )))
1644 1644  
1690 +
1691 +
1645 1645  == 4.2 Common AT Command Sequence ==
1646 1646  
1647 1647  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1685,6 +1685,8 @@
1685 1685  
1686 1686  )))
1687 1687  
1735 +
1736 +
1688 1688  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1689 1689  
1690 1690  (((
... ... @@ -1758,6 +1758,8 @@
1758 1758  
1759 1759  )))
1760 1760  
1810 +
1811 +
1761 1761  === 4.2.3 Change to Class A ===
1762 1762  
1763 1763  If sensor JOINED
... ... @@ -1798,6 +1798,8 @@
1798 1798  
1799 1799  (((
1800 1800  (((
1852 +
1853 +
1801 1801  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1802 1802  )))
1803 1803  )))
... ... @@ -1809,6 +1809,9 @@
1809 1809  )))
1810 1810  
1811 1811  (((
1865 +
1866 +
1867 +
1812 1812  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1813 1813  )))
1814 1814  
... ... @@ -1865,10 +1865,17 @@
1865 1865  (((
1866 1866  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.
1867 1867  
1924 +
1925 +== 5.5 Can i use point to point communication for LT-22222-L? ==
1926 +
1927 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1928 +
1868 1868  
1869 1869  )))
1870 1870  
1871 1871  (((
1933 +
1934 +
1872 1872  = 6. Trouble Shooting =
1873 1873  )))
1874 1874  
... ... @@ -1885,6 +1885,8 @@
1885 1885  )))
1886 1886  
1887 1887  (((
1951 +
1952 +
1888 1888  == 6.2 Have trouble to upload image. ==
1889 1889  )))
1890 1890  
... ... @@ -1897,6 +1897,8 @@
1897 1897  )))
1898 1898  
1899 1899  (((
1965 +
1966 +
1900 1900  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1901 1901  )))
1902 1902  
... ... @@ -1904,147 +1904,61 @@
1904 1904  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1905 1905  )))
1906 1906  
1907 -(((
1908 -
1909 -)))
1910 1910  
1911 -(((
1975 +
1912 1912  = 7. Order Info =
1913 -)))
1914 1914  
1915 -(((
1916 -(((
1978 +
1917 1917  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1918 -)))
1919 -)))
1920 1920  
1921 -(((
1922 -(((
1981 +
1923 1923  (% style="color:#4f81bd" %)**XXX:**
1924 -)))
1925 -)))
1926 1926  
1927 -(((
1928 -* (((
1929 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1930 -)))
1931 -)))
1984 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1985 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1986 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1987 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1988 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1989 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1990 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1991 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1992 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1932 1932  
1933 -(((
1934 -* (((
1935 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1936 -)))
1937 -)))
1938 1938  
1939 -(((
1940 -* (((
1941 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1942 -)))
1943 -)))
1944 1944  
1945 -(((
1946 -* (((
1947 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1948 -)))
1949 -)))
1950 -
1951 -(((
1952 -* (((
1953 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1954 -)))
1955 -)))
1956 -
1957 -(((
1958 -* (((
1959 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1960 -)))
1961 -)))
1962 -
1963 -(((
1964 -* (((
1965 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1966 -)))
1967 -)))
1968 -
1969 -(((
1970 -* (((
1971 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1972 -)))
1973 -)))
1974 -
1975 -(((
1976 -* (((
1977 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1978 -
1979 -
1980 -)))
1981 -
1982 1982  = 8. Packing Info =
1983 -)))
1984 1984  
1985 -(((
1986 -(((
1998 +
1987 1987  **Package Includes**:
1988 -)))
1989 -)))
1990 1990  
1991 -(((
1992 -(((
1993 1993  * LT-22222-L I/O Controller x 1
1994 1994  * Stick Antenna for LoRa RF part x 1
1995 1995  * Bracket for controller x1
1996 1996  * Program cable x 1
1997 -)))
1998 -)))
1999 1999  
2000 -(((
2001 -(((
2006 +
2002 2002  **Dimension and weight**:
2003 -)))
2004 -)))
2005 2005  
2006 -(((
2007 -(((
2008 2008  * Device Size: 13.5 x 7 x 3 cm
2009 2009  * Device Weight: 105g
2010 2010  * Package Size / pcs : 14.5 x 8 x 5 cm
2011 2011  * Weight / pcs : 170g
2012 2012  
2013 -
2014 -)))
2015 -)))
2016 2016  
2017 -(((
2018 2018  = 9. Support =
2019 -)))
2020 2020  
2021 2021  * (((
2022 -(((
2023 2023  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.
2024 2024  )))
2025 -)))
2026 2026  * (((
2027 -(((
2028 -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
2021 +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]]
2029 2029  )))
2030 -)))
2031 2031  
2032 -(((
2033 -(((
2034 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2035 2035  
2036 -
2037 -)))
2038 2038  
2039 -(((
2040 2040  = 10. Reference​​​​​ =
2041 2041  
2042 -* Product Page:
2043 -
2044 -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]]
2045 -
2028 +* 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]]
2046 2046  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2047 2047  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2048 2048  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2049 -)))
2050 -)))