Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -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 ... ... @@ -167,8 +167,6 @@ 167 167 * Firmware upgradable via program port 168 168 * Counting 169 169 170 - 171 - 172 172 == 1.4 Applications == 173 173 174 174 * Smart Buildings & Home Automation ... ... @@ -178,8 +178,6 @@ 178 178 * Smart Cities 179 179 * Smart Factory 180 180 181 - 182 - 183 183 == 1.5 Hardware Variants == 184 184 185 185 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -193,8 +193,6 @@ 193 193 * 1 x Counting Port 194 194 ))) 195 195 196 - 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]] 207 207 208 208 208 + 209 209 = 3. Operation Mode = 210 210 211 211 == 3.1 How it works? == ... ... @@ -220,6 +220,8 @@ 220 220 221 221 ))) 222 222 223 + 224 + 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"]] 262 262 263 263 266 + 264 264 == 3.3 Uplink Payload == 265 265 266 266 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -272,8 +272,6 @@ 272 272 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 273 273 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 274 274 275 - 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. ... ... @@ -324,8 +324,6 @@ 324 324 ** DO1 is high in case there is load between DO1 and V+. 325 325 ** DO1 LED is off in both case 326 326 327 - 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 ))) 420 420 421 421 421 + 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 ))) 465 465 466 + 467 + 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 ))) 545 545 546 546 549 + 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 ))) 590 590 594 + 595 + 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.** ... ... @@ -711,6 +711,7 @@ 711 711 When device got this command, it will send the MOD6 payload. 712 712 713 713 719 + 714 714 === 3.3.7 Payload Decoder === 715 715 716 716 ((( ... ... @@ -719,6 +719,8 @@ 719 719 720 720 ))) 721 721 728 + 729 + 722 722 == 3.4 Configure LT via AT or Downlink == 723 723 724 724 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -736,6 +736,7 @@ 736 736 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]] 737 737 738 738 747 + 739 739 === 3.4.2 Sensor related commands === 740 740 741 741 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -759,6 +759,7 @@ 759 759 ))) 760 760 761 761 771 + 762 762 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 763 763 764 764 Set work mode. ... ... @@ -780,6 +780,7 @@ 780 780 ))) 781 781 782 782 793 + 783 783 ==== 3.4.2.3 Poll an uplink ==== 784 784 785 785 * AT Command: ... ... @@ -796,6 +796,7 @@ 796 796 **Example**: 0x08FF, ask device to send an Uplink 797 797 798 798 810 + 799 799 ==== 3.4.2.4 Enable Trigger Mode ==== 800 800 801 801 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -819,6 +819,7 @@ 819 819 ))) 820 820 821 821 834 + 822 822 ==== 3.4.2.5 Poll trigger settings ==== 823 823 824 824 Poll trigger settings, ... ... @@ -835,6 +835,7 @@ 835 835 ))) 836 836 837 837 851 + 838 838 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 839 839 840 840 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -858,6 +858,7 @@ 858 858 ))) 859 859 860 860 875 + 861 861 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 862 862 863 863 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -885,6 +885,7 @@ 885 885 ))) 886 886 887 887 903 + 888 888 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 889 889 890 890 Set DI2 trigger. ... ... @@ -912,6 +912,7 @@ 912 912 ))) 913 913 914 914 931 + 915 915 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 916 916 917 917 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -931,6 +931,7 @@ 931 931 ))) 932 932 933 933 951 + 934 934 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 935 935 936 936 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -950,6 +950,7 @@ 950 950 ))) 951 951 952 952 971 + 953 953 ==== 3.4.2.11 Trigger – Set minimum interval ==== 954 954 955 955 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -969,6 +969,7 @@ 969 969 ))) 970 970 971 971 991 + 972 972 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 973 973 974 974 * AT Command: ... ... @@ -1001,6 +1001,7 @@ 1001 1001 ))) 1002 1002 1003 1003 1024 + 1004 1004 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1005 1005 1006 1006 * AT Command: ... ... @@ -1063,6 +1063,7 @@ 1063 1063 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 1064 1064 1065 1065 1087 + 1066 1066 === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1067 1067 1068 1068 * AT Command: ... ... @@ -1091,6 +1091,7 @@ 1091 1091 Device will upload a packet if downlink code executes successfully. 1092 1092 1093 1093 1116 + 1094 1094 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1095 1095 1096 1096 * AT Command: ... ... @@ -1141,6 +1141,7 @@ 1141 1141 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1142 1142 1143 1143 1167 + 1144 1144 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1145 1145 1146 1146 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1160,6 +1160,7 @@ 1160 1160 ))) 1161 1161 1162 1162 1187 + 1163 1163 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1164 1164 1165 1165 * AT Command: ... ... @@ -1185,6 +1185,7 @@ 1185 1185 ))) 1186 1186 1187 1187 1213 + 1188 1188 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1189 1189 1190 1190 Clear counting for counting mode ... ... @@ -1204,6 +1204,7 @@ 1204 1204 ))) 1205 1205 1206 1206 1233 + 1207 1207 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1208 1208 1209 1209 * AT Command: ... ... @@ -1226,6 +1226,8 @@ 1226 1226 1227 1227 ))) 1228 1228 1256 + 1257 + 1229 1229 == 3.5 Integrate with Mydevice == 1230 1230 1231 1231 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: ... ... @@ -1244,6 +1244,7 @@ 1244 1244 1245 1245 [[image:image-20220524094641-12.png||height="402" width="718"]] 1246 1246 1276 + 1247 1247 **Step 3**: Create an account or log in Mydevices. 1248 1248 1249 1249 **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) ... ... @@ -1266,6 +1266,7 @@ 1266 1266 [[image:image-20220524094909-5.png||height="341" width="734"]] 1267 1267 1268 1268 1299 + 1269 1269 == 3.6 Interface Detail == 1270 1270 1271 1271 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1275,6 +1275,7 @@ 1275 1275 [[image:1653356991268-289.png]] 1276 1276 1277 1277 1309 + 1278 1278 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1279 1279 1280 1280 ((( ... ... @@ -1389,6 +1389,7 @@ 1389 1389 ))) 1390 1390 1391 1391 1424 + 1392 1392 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1393 1393 1394 1394 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1396,6 +1396,7 @@ 1396 1396 [[image:1653357531600-905.png]] 1397 1397 1398 1398 1432 + 1399 1399 === 3.6.4 Analog Input Interface === 1400 1400 1401 1401 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: ... ... @@ -1424,6 +1424,7 @@ 1424 1424 [[image:1653357648330-671.png||height="155" width="733"]] 1425 1425 1426 1426 1461 + 1427 1427 === 3.6.5 Relay Output === 1428 1428 1429 1429 ((( ... ... @@ -1435,6 +1435,7 @@ 1435 1435 [[image:image-20220524100215-10.png||height="382" width="723"]] 1436 1436 1437 1437 1473 + 1438 1438 == 3.7 LEDs Indicators == 1439 1439 1440 1440 [[image:image-20220524100748-11.png]] ... ... @@ -1644,6 +1644,8 @@ 1644 1644 1645 1645 ))) 1646 1646 1683 + 1684 + 1647 1647 == 4.2 Common AT Command Sequence == 1648 1648 1649 1649 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1687,6 +1687,8 @@ 1687 1687 1688 1688 ))) 1689 1689 1728 + 1729 + 1690 1690 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1691 1691 1692 1692 ((( ... ... @@ -1760,6 +1760,8 @@ 1760 1760 1761 1761 ))) 1762 1762 1803 + 1804 + 1763 1763 === 4.2.3 Change to Class A === 1764 1764 1765 1765 If sensor JOINED ... ... @@ -1776,14 +1776,19 @@ 1776 1776 * Support new features 1777 1777 * For bug fix 1778 1778 * Change LoRaWAN bands. 1821 + 1779 1779 Below shows the hardware connection for how to upload an image to the LT: 1780 -* [[image:1653359603330-121.png]] 1781 1781 1824 +[[image:1653359603330-121.png]] 1825 + 1826 + 1782 1782 ((( 1783 -**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]]. 1784 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1785 -**Step3: **Open flashloader; choose the correct COM port to update. 1786 -**For LT-22222-L**: 1828 +(% style="color:blue" %)**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]]. 1829 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1830 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1831 + 1832 + 1833 +(% style="color:blue" %)**For LT-22222-L**(%%): 1787 1787 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. 1788 1788 ))) 1789 1789 ... ... @@ -1800,6 +1800,8 @@ 1800 1800 1801 1801 ((( 1802 1802 ((( 1850 + 1851 + 1803 1803 == 5.2 How to change the LoRa Frequency Bands/Region? == 1804 1804 ))) 1805 1805 ))) ... ... @@ -1806,11 +1806,11 @@ 1806 1806 1807 1807 ((( 1808 1808 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1809 - 1810 - 1811 1811 ))) 1812 1812 1813 1813 ((( 1861 + 1862 + 1814 1814 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1815 1815 ))) 1816 1816 ... ... @@ -1823,6 +1823,8 @@ 1823 1823 ((( 1824 1824 ((( 1825 1825 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1875 + 1876 + 1826 1826 ))) 1827 1827 ))) 1828 1828 ... ... @@ -1838,23 +1838,25 @@ 1838 1838 (% 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. 1839 1839 ))) 1840 1840 1892 + 1841 1841 ((( 1842 1842 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1843 1843 ))) 1844 1844 1845 1845 ((( 1846 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1847 -(% style="background-color:#dcdcdc" %)AT+FDR 1848 -(% style="background-color:#dcdcdc" %)123456 1849 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1850 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1851 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1852 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 1853 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 1854 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1855 -(% style="background-color:#dcdcdc" %)ATZ 1898 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1899 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1900 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1901 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 1902 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 1903 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1904 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1905 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1906 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1907 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1856 1856 ))) 1857 1857 1910 + 1858 1858 ((( 1859 1859 As shown in below: 1860 1860 ))) ... ... @@ -1867,10 +1867,15 @@ 1867 1867 ((( 1868 1868 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. 1869 1869 1870 - 1923 + 1924 +== 5.5 Can i use point to point communication for LT-22222-L? == 1925 + 1926 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1871 1871 ))) 1872 1872 1873 1873 ((( 1930 + 1931 + 1874 1874 = 6. Trouble Shooting = 1875 1875 ))) 1876 1876 ... ... @@ -1882,11 +1882,11 @@ 1882 1882 1883 1883 ((( 1884 1884 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1885 - 1886 - 1887 1887 ))) 1888 1888 1889 1889 ((( 1946 + 1947 + 1890 1890 == 6.2 Have trouble to upload image. == 1891 1891 ))) 1892 1892 ... ... @@ -1896,9 +1896,7 @@ 1896 1896 1897 1897 ((( 1898 1898 1899 -))) 1900 1900 1901 -((( 1902 1902 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1903 1903 ))) 1904 1904 ... ... @@ -1906,147 +1906,58 @@ 1906 1906 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1907 1907 ))) 1908 1908 1909 -((( 1910 - 1911 -))) 1912 1912 1913 - (((1966 + 1914 1914 = 7. Order Info = 1915 -))) 1916 1916 1917 -((( 1918 -((( 1969 + 1919 1919 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1920 -))) 1921 -))) 1922 1922 1923 -((( 1924 -((( 1972 + 1925 1925 (% style="color:#4f81bd" %)**XXX:** 1926 -))) 1927 -))) 1928 1928 1929 -((( 1930 -* ((( 1931 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1932 -))) 1933 -))) 1975 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1976 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1977 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1978 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1979 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1980 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1981 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1982 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1983 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1934 1934 1935 -((( 1936 -* ((( 1937 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1938 -))) 1939 -))) 1940 1940 1941 -((( 1942 -* ((( 1943 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1944 -))) 1945 -))) 1946 - 1947 -((( 1948 -* ((( 1949 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1950 -))) 1951 -))) 1952 - 1953 -((( 1954 -* ((( 1955 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1956 -))) 1957 -))) 1958 - 1959 -((( 1960 -* ((( 1961 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1962 -))) 1963 -))) 1964 - 1965 -((( 1966 -* ((( 1967 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1968 -))) 1969 -))) 1970 - 1971 -((( 1972 -* ((( 1973 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1974 -))) 1975 -))) 1976 - 1977 -((( 1978 -* ((( 1979 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1980 - 1981 - 1982 -))) 1983 - 1984 1984 = 8. Packing Info = 1985 -))) 1986 1986 1987 -((( 1988 -((( 1988 + 1989 1989 **Package Includes**: 1990 -))) 1991 -))) 1992 1992 1993 -((( 1994 -((( 1995 1995 * LT-22222-L I/O Controller x 1 1996 1996 * Stick Antenna for LoRa RF part x 1 1997 1997 * Bracket for controller x1 1998 1998 * Program cable x 1 1999 -))) 2000 -))) 2001 2001 2002 -((( 2003 -((( 2004 2004 **Dimension and weight**: 2005 -))) 2006 -))) 2007 2007 2008 -((( 2009 -((( 2010 2010 * Device Size: 13.5 x 7 x 3 cm 2011 2011 * Device Weight: 105g 2012 2012 * Package Size / pcs : 14.5 x 8 x 5 cm 2013 2013 * Weight / pcs : 170g 2014 2014 2015 - 2016 -))) 2017 -))) 2018 2018 2019 -((( 2020 2020 = 9. Support = 2021 -))) 2022 2022 2023 2023 * ((( 2024 -((( 2025 2025 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. 2026 2026 ))) 2027 -))) 2028 2028 * ((( 2029 -((( 2030 -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 2010 +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]] 2031 2031 ))) 2032 -))) 2033 2033 2034 -((( 2035 -((( 2036 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2037 2037 2038 - 2039 -))) 2040 - 2041 -((( 2042 2042 = 10. Reference = 2043 2043 2044 -* Product Page: 2045 - 2046 -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]] 2047 - 2016 +* 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]] 2048 2048 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2049 2049 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2050 2050 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2051 -))) 2052 -)))