Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.15 >
edited by Xiaoling
on 2022/05/24 13:44
To version < 58.3 >
edited by Xiaoling
on 2022/05/24 10:32
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -131,7 +131,7 @@
131 131  
132 132  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. 
133 133  
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: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.
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.
135 135  
136 136  3.2 Example to join LoRaWAN network
137 137  
... ... @@ -327,7 +327,7 @@
327 327  **ATZ**
328 328  )))
329 329  
330 -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]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
331 331  
332 332  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
... ... @@ -362,7 +362,7 @@
362 362  )))
363 363  
364 364  
365 -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]].
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
366 366  
367 367  **Plus below command for AVI1 Counting:**
368 368  
... ... @@ -414,7 +414,7 @@
414 414  **ATZ**
415 415  )))
416 416  
417 -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]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
418 418  
419 419  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
... ... @@ -463,7 +463,7 @@
463 463  
464 464  **Downlink Command to set Trigger Condition**
465 465  
466 -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]]
467 467  
468 468  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
469 469  
... ... @@ -483,7 +483,7 @@
483 483  
484 484  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485 485  
486 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -1043,7 +1043,7 @@
1043 1043  
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1047 1047  
1048 1048  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1049 1049  
... ... @@ -1053,6 +1053,7 @@
1053 1053  
1054 1054  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055 1055  
1056 +
1056 1056  [[image:image-20220524094909-1.png||height="335" width="729"]]
1057 1057  
1058 1058  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1063,6 +1063,10 @@
1063 1063  
1064 1064  [[image:image-20220524094909-5.png||height="341" width="734"]]
1065 1065  
1067 +
1068 +
1069 +
1070 +
1066 1066  == 3.6 Interface Detail ==
1067 1067  
1068 1068  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1078,10 +1078,8 @@
1078 1078  )))
1079 1079  
1080 1080  (((
1081 -(((
1082 1082  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
1083 1083  )))
1084 -)))
1085 1085  
1086 1086  [[image:1653357170703-587.png]]
1087 1087  
... ... @@ -1113,9 +1113,9 @@
1113 1113  
1114 1114  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1115 1115  
1116 -[[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:/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:/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:/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:/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.**
1117 1117  
1118 -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:/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:/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:/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:/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.
1119 1119  
1120 1120  
1121 1121  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1127,7 +1127,7 @@
1127 1127  
1128 1128  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1129 1129  
1130 - [[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:/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:/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:/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:/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.**
1131 1131  
1132 1132  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.
1133 1133  
... ... @@ -1497,16 +1497,14 @@
1497 1497  ATZ
1498 1498  
1499 1499  = 5. FAQ =
1500 -
1501 1501  == 5.1 How to upgrade the image? ==
1502 -
1503 1503  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1504 1504  
1506 +
1505 1505  * Support new features
1506 1506  * For bug fix
1507 1507  * Change LoRaWAN bands.
1508 1508  Below shows the hardware connection for how to upload an image to the LT:
1509 -* [[image:1653359603330-121.png]]
1510 1510  
1511 1511  **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]].
1512 1512  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
... ... @@ -1514,93 +1514,160 @@
1514 1514  **For LT-22222-L**:
1515 1515  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.
1516 1516  
1517 - [[image:image-20220524103407-12.png]]
1518 +[[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]]
1518 1518  
1519 -[[image:image-20220524103429-13.png]]
1520 +(% 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:
1520 1520  
1521 -[[image:image-20220524104033-15.png]]
1522 1522  
1523 -(% 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:
1523 +1. (((
1524 +(((
1525 +
1526 +)))
1524 1524  
1525 -[[image:1653360054704-518.png||height="186" width="745"]]
1528 +1. (((
1529 +How to change the LoRa Frequency Bands/Region?
1530 +)))
1531 +)))
1526 1526  
1527 1527  (((
1534 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1535 +)))
1536 +
1528 1528  (((
1529 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1538 +
1530 1530  )))
1540 +
1541 +1.
1542 +11. (((
1543 +How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1531 1531  )))
1532 1532  
1533 1533  (((
1534 -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.
1547 +In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1535 1535  )))
1536 1536  
1537 1537  (((
1538 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1551 +Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1539 1539  )))
1540 1540  
1541 1541  (((
1555 +
1556 +)))
1557 +
1542 1542  (((
1543 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1559 +**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.
1544 1544  )))
1561 +
1562 +(((
1563 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1545 1545  )))
1546 1546  
1547 1547  (((
1567 +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.
1568 +)))
1569 +
1548 1548  (((
1549 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1571 +
1550 1550  )))
1573 +
1574 +(((
1575 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1551 1551  )))
1552 1552  
1553 1553  (((
1554 -
1579 +123456   Enter Password to have AT access.
1555 1555  )))
1556 1556  
1557 1557  (((
1558 -(% 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.
1583 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1559 1559  )))
1560 1560  
1561 1561  (((
1562 -[[image:1653360231087-571.png||height="401" width="727"]]
1587 +123456   Enter Password to have AT access.
1563 1563  )))
1564 1564  
1565 -(% 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.
1590 +(((
1591 +AT+NJM=0 Set to ABP mode
1592 +)))
1566 1566  
1567 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1594 +(((
1595 +AT+ADR=0 Set the Adaptive Data Rate Off
1596 +)))
1568 1568  
1569 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1570 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1571 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1572 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1573 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1574 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1575 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1576 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1577 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1578 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1598 +(((
1599 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1600 +)))
1579 1579  
1602 +(((
1603 +AT+TDC=60000  Set transmit interval to 60 seconds
1604 +)))
1605 +
1606 +(((
1607 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1608 +)))
1609 +
1610 +(((
1611 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1612 +)))
1613 +
1614 +(((
1615 +ATZ                Reset MCU
1616 +)))
1617 +
1618 +(((
1580 1580  As shown in below:
1620 +)))
1581 1581  
1582 -[[image:1653360498588-932.png||height="485" width="726"]]
1622 +(((
1623 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1624 +)))
1583 1583  
1584 -== 5.4 Can I see counting event in Serial? ==
1626 +(((
1627 +
1628 +)))
1585 1585  
1586 1586  (((
1631 +
1632 +)))
1633 +
1634 +1. (((
1635 +(((
1636 +
1637 +)))
1638 +
1639 +1. (((
1640 +Can I see counting event in Serial?
1641 +)))
1642 +)))
1643 +
1644 +(((
1587 1587  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.
1588 1588  )))
1589 1589  
1590 1590  (((
1591 -= 6. Trouble Shooting   =
1649 +
1592 1592  )))
1593 1593  
1594 1594  (((
1653 +
1654 +)))
1655 +
1595 1595  (((
1596 -== 6.1 Downlink doesn’t work, how to solve it? ==
1657 +
1597 1597  )))
1659 +
1660 +1. (((
1661 +(((
1662 +Trouble Shooting    
1598 1598  )))
1599 1599  
1665 +1. (((
1666 +Downlink doesn’t work, how to solve it?
1667 +)))
1668 +)))
1669 +
1600 1600  (((
1601 1601  Please see this link for how to debug:
1602 -
1603 -[[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/]]
1604 1604  )))
1605 1605  
1606 1606  (((
... ... @@ -1608,9 +1608,14 @@
1608 1608  )))
1609 1609  
1610 1610  (((
1611 -== 6.2 Have trouble to upload image. ==
1679 +
1612 1612  )))
1613 1613  
1682 +1.
1683 +11. (((
1684 +Have trouble to upload image.
1685 +)))
1686 +
1614 1614  (((
1615 1615  See this link for trouble shooting:
1616 1616  )))
... ... @@ -1620,9 +1620,14 @@
1620 1620  )))
1621 1621  
1622 1622  (((
1623 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1696 +
1624 1624  )))
1625 1625  
1699 +1.
1700 +11. (((
1701 +Why I can’t join TTN in US915 /AU915 bands?
1702 +)))
1703 +
1626 1626  (((
1627 1627  It might be about the channels mapping. Please see this link for detail:
1628 1628  )))
... ... @@ -1632,20 +1632,28 @@
1632 1632  )))
1633 1633  
1634 1634  (((
1635 -= 7. Order Info =
1713 +
1636 1636  )))
1637 1637  
1638 1638  (((
1717 +
1718 +)))
1719 +
1639 1639  (((
1640 -**LT-22222-L-XXX:**
1721 +
1641 1641  )))
1723 +
1724 +1. (((
1725 +Order Info
1642 1642  )))
1643 1643  
1644 1644  (((
1729 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1730 +)))
1731 +
1645 1645  (((
1646 1646  **XXX:**
1647 1647  )))
1648 -)))
1649 1649  
1650 1650  * (((
1651 1651  **EU433**: LT with frequency bands EU433
... ... @@ -1671,84 +1671,59 @@
1671 1671  * (((
1672 1672  **IN865**: LT with frequency bands IN865
1673 1673  )))
1760 +* (((
1761 +**CN779**: LT with frequency bands CN779
1762 +)))
1674 1674  
1675 -(((
1676 -* **CN779**: LT with frequency bands CN779
1677 -
1678 -= 8. Packing Info =
1764 +1. (((
1765 +Packing Info
1679 1679  )))
1680 1680  
1681 1681  (((
1682 -(((
1683 1683  **Package Includes**:
1684 1684  )))
1685 -)))
1686 1686  
1687 1687  * (((
1688 -(((
1689 1689  LT I/O Controller x 1
1690 1690  )))
1691 -)))
1692 1692  * (((
1693 -(((
1694 1694  Stick Antenna for LoRa RF part x 1
1695 1695  )))
1696 -)))
1697 1697  * (((
1698 -(((
1699 1699  Bracket for controller x1
1700 1700  )))
1701 -)))
1702 1702  * (((
1703 -(((
1704 1704  Program cable x 1
1705 1705  )))
1706 -)))
1707 1707  
1708 1708  (((
1709 -(((
1710 1710  **Dimension and weight**:
1711 1711  )))
1712 -)))
1713 1713  
1714 -(((
1715 -(((
1716 -* Device Size: 13.5 x 7 x 3 cm
1717 -* Device Weight: 105g
1718 -* Package Size / pcs : 14.5 x 8 x 5 cm
1719 -* Weight / pcs : 170g
1789 +* (((
1790 +Device Size: 13.5 x 7 x 3 cm
1720 1720  )))
1792 +* (((
1793 +Device Weight: 105g
1721 1721  )))
1795 +* (((
1796 +Package Size / pcs : 14.5 x 8 x 5 cm
1797 +)))
1798 +* (((
1799 +Weight / pcs : 170g
1800 +)))
1722 1722  
1723 -(((
1724 -= 9. Support =
1802 +1. (((
1803 +Support
1725 1725  )))
1726 1726  
1727 1727  * (((
1728 -(((
1729 1729  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.
1730 1730  )))
1731 -)))
1732 1732  * (((
1733 -(((
1734 1734  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
1735 1735  )))
1736 -)))
1737 1737  
1738 1738  (((
1739 -(((
1740 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1814 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1741 1741  )))
1742 -
1743 -(((
1744 -= 10. Reference​​​​​ =
1745 -
1746 -* Product Page:
1747 -
1748 -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]]
1749 -
1750 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1751 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1752 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1753 -)))
1754 -)))
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