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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 68.18
edited by Xiaoling
on 2022/05/25 15:23
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To version 75.13
edited by Xiaoling
on 2022/06/01 17:35
Change comment: There is no comment for this version

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... ... @@ -16,7 +16,7 @@
16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
19 -The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
27 +The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -168,6 +168,7 @@
168 168  * Counting
169 169  
170 170  
171 +
171 171  == 1.4  Applications ==
172 172  
173 173  * Smart Buildings & Home Automation
... ... @@ -178,6 +178,7 @@
178 178  * Smart Factory
179 179  
180 180  
182 +
181 181  == 1.5 Hardware Variants ==
182 182  
183 183  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -271,6 +271,7 @@
271 271  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
272 272  
273 273  
276 +
274 274  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
275 275  
276 276  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -321,6 +321,8 @@
321 321  ** DO1 is high in case there is load between DO1 and V+.
322 322  ** DO1 LED is off in both case
323 323  
327 +
328 +
324 324  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
325 325  
326 326  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -413,6 +413,7 @@
413 413  )))
414 414  )))
415 415  
421 +
416 416  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417 417  
418 418  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -453,6 +453,8 @@
453 453  
454 454  (((
455 455  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
462 +
463 +
456 456  )))
457 457  
458 458  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -535,6 +535,7 @@
535 535  )))
536 536  )))
537 537  
546 +
538 538  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
539 539  
540 540  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -575,6 +575,8 @@
575 575  
576 576  (((
577 577  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
587 +
588 +
578 578  )))
579 579  
580 580  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -603,6 +603,7 @@
603 603  
604 604  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
605 605  
617 +
606 606  (% style="color:#4f81bd" %)**Trigger base on current**:
607 607  
608 608  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -611,6 +611,7 @@
611 611  
612 612  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
613 613  
626 +
614 614  (% style="color:#4f81bd" %)**Trigger base on DI status**:
615 615  
616 616  DI status trigger Flag.
... ... @@ -697,10 +697,13 @@
697 697  
698 698  When device got this command, it will send the MOD6 payload.
699 699  
713 +
700 700  === 3.3.7 Payload Decoder ===
701 701  
702 702  (((
703 703  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
718 +
719 +
704 704  )))
705 705  
706 706  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -711,7 +711,7 @@
711 711  There are two kinds of Commands:
712 712  )))
713 713  
714 -* (% 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
730 +* (% 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]]
715 715  
716 716  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
717 717  
... ... @@ -719,6 +719,7 @@
719 719  
720 720  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]]
721 721  
738 +
722 722  === 3.4.2 Sensor related commands ===
723 723  
724 724  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -741,6 +741,7 @@
741 741  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
742 742  )))
743 743  
761 +
744 744  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
745 745  
746 746  Set work mode.
... ... @@ -761,6 +761,7 @@
761 761  **0x0A aa     ~/~/ Same as AT+MOD=aa**
762 762  )))
763 763  
782 +
764 764  ==== 3.4.2.3 Poll an uplink ====
765 765  
766 766  * AT Command:
... ... @@ -776,6 +776,7 @@
776 776  
777 777  **Example**: 0x08FF, ask device to send an Uplink
778 778  
798 +
779 779  ==== 3.4.2.4 Enable Trigger Mode ====
780 780  
781 781  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]]
... ... @@ -798,6 +798,7 @@
798 798  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
799 799  )))
800 800  
821 +
801 801  ==== 3.4.2.5 Poll trigger settings ====
802 802  
803 803  Poll trigger settings,
... ... @@ -813,6 +813,7 @@
813 813  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
814 814  )))
815 815  
837 +
816 816  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
817 817  
818 818  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -835,6 +835,7 @@
835 835  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
836 836  )))
837 837  
860 +
838 838  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
839 839  
840 840  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -861,6 +861,7 @@
861 861  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
862 862  )))
863 863  
887 +
864 864  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
865 865  
866 866  Set DI2 trigger.
... ... @@ -887,6 +887,7 @@
887 887  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
888 888  )))
889 889  
914 +
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>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
... ... @@ -905,6 +905,7 @@
905 905  **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]]**
906 906  )))
907 907  
933 +
908 908  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
909 909  
910 910  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]]
... ... @@ -923,6 +923,7 @@
923 923  **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]] **
924 924  )))
925 925  
952 +
926 926  ==== 3.4.2.11 Trigger – Set minimum interval ====
927 927  
928 928  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -941,6 +941,7 @@
941 941  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
942 942  )))
943 943  
971 +
944 944  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
945 945  
946 946  * AT Command:
... ... @@ -1131,6 +1131,7 @@
1131 1131  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1132 1132  )))
1133 1133  
1162 +
1134 1134  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1135 1135  
1136 1136  * AT Command:
... ... @@ -1155,6 +1155,7 @@
1155 1155  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1156 1156  )))
1157 1157  
1187 +
1158 1158  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1159 1159  
1160 1160  Clear counting for counting mode
... ... @@ -1173,6 +1173,7 @@
1173 1173  **0x A6 01     ~/~/ clear all counting,**
1174 1174  )))
1175 1175  
1206 +
1176 1176  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1177 1177  
1178 1178  * AT Command:
... ... @@ -1191,6 +1191,8 @@
1191 1191  
1192 1192  (((
1193 1193  range: aa bb cc:0 to 16777215,  (unit:second)
1225 +
1226 +
1194 1194  )))
1195 1195  
1196 1196  == 3.5 Integrate with Mydevice ==
... ... @@ -1219,6 +1219,7 @@
1219 1219  
1220 1220  [[image:1653356838789-523.png||height="337" width="740"]]
1221 1221  
1255 +
1222 1222  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1223 1223  
1224 1224  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1231,6 +1231,7 @@
1231 1231  
1232 1232  [[image:image-20220524094909-5.png||height="341" width="734"]]
1233 1233  
1268 +
1234 1234  == 3.6 Interface Detail ==
1235 1235  
1236 1236  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1239,6 +1239,7 @@
1239 1239  
1240 1240  [[image:1653356991268-289.png]]
1241 1241  
1277 +
1242 1242  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1243 1243  
1244 1244  (((
... ... @@ -1254,51 +1254,105 @@
1254 1254  [[image:1653357170703-587.png]]
1255 1255  
1256 1256  (((
1293 +(((
1257 1257  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1258 1258  )))
1296 +)))
1259 1259  
1298 +(((
1299 +
1300 +)))
1260 1260  
1302 +(((
1261 1261  **Example1**: Connect to a Low active sensor.
1304 +)))
1262 1262  
1306 +(((
1263 1263  This type of sensor will output a low signal GND when active.
1308 +)))
1264 1264  
1265 -* Connect sensor’s output to DI1-
1266 -* Connect sensor’s VCC to DI1+.
1310 +* (((
1311 +Connect sensor’s output to DI1-
1312 +)))
1313 +* (((
1314 +Connect sensor’s VCC to DI1+.
1315 +)))
1267 1267  
1268 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1317 +(((
1318 +So when sensor active, the current between NEC2501 pin1 and pin2 is：
1319 +)))
1269 1269  
1270 -[[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.**
1321 +(((
1322 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1323 +)))
1271 1271  
1272 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1325 +(((
1326 +If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1327 +)))
1273 1273  
1329 +(((
1330 +
1331 +)))
1274 1274  
1333 +(((
1275 1275  **Example2**: Connect to a High active sensor.
1335 +)))
1276 1276  
1337 +(((
1277 1277  This type of sensor will output a high signal (example 24v) when active.
1339 +)))
1278 1278  
1279 -* Connect sensor’s output to DI1+
1280 -* Connect sensor’s GND DI1-.
1341 +* (((
1342 +Connect sensor’s output to DI1+
1343 +)))
1344 +* (((
1345 +Connect sensor’s GND DI1-.
1346 +)))
1281 1281  
1348 +(((
1282 1282  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1350 +)))
1283 1283  
1284 -[[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.**
1352 +(((
1353 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1354 +)))
1285 1285  
1286 -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.
1356 +(((
1357 +If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1358 +)))
1287 1287  
1360 +(((
1361 +
1362 +)))
1288 1288  
1364 +(((
1289 1289  **Example3**: Connect to a 220v high active sensor.
1366 +)))
1290 1290  
1368 +(((
1291 1291  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1370 +)))
1292 1292  
1293 -* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 -* Connect sensor’s GND DI1-.
1372 +* (((
1373 +Connect sensor’s output to DI1+ with a serial 50K resistor
1374 +)))
1375 +* (((
1376 +Connect sensor’s GND DI1-.
1377 +)))
1295 1295  
1379 +(((
1296 1296  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1381 +)))
1297 1297  
1298 - [[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.**
1383 +(((
1384 + [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1385 +)))
1299 1299  
1300 -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.
1387 +(((
1388 +If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% 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.
1389 +)))
1301 1301  
1391 +
1302 1302  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1303 1303  
1304 1304  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1305,6 +1305,7 @@
1305 1305  
1306 1306  [[image:1653357531600-905.png]]
1307 1307  
1398 +
1308 1308  === 3.6.4 Analog Input Interface ===
1309 1309  
1310 1310  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:
... ... @@ -1332,6 +1332,7 @@
1332 1332  
1333 1333  [[image:1653357648330-671.png||height="155" width="733"]]
1334 1334  
1426 +
1335 1335  === 3.6.5 Relay Output ===
1336 1336  
1337 1337  (((
... ... @@ -1342,10 +1342,12 @@
1342 1342  
1343 1343  [[image:image-20220524100215-10.png||height="382" width="723"]]
1344 1344  
1437 +
1345 1345  == 3.7 LEDs Indicators ==
1346 1346  
1347 1347  [[image:image-20220524100748-11.png]]
1348 1348  
1442 +
1349 1349  = 4. Use AT Command =
1350 1350  
1351 1351  == 4.1 Access AT Command ==
... ... @@ -1546,6 +1546,8 @@
1546 1546  
1547 1547  (((
1548 1548  AT+CFG: Print all settings
1643 +
1644 +
1549 1549  )))
1550 1550  
1551 1551  == 4.2 Common AT Command Sequence ==
... ... @@ -1587,6 +1587,8 @@
1587 1587  
1588 1588  (((
1589 1589  (% style="background-color:#dcdcdc" %)ATZ
1686 +
1687 +
1590 1590  )))
1591 1591  
1592 1592  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1668,6 +1668,7 @@
1668 1668  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1669 1669  ATZ
1670 1670  
1769 +
1671 1671  = 5. FAQ =
1672 1672  
1673 1673  == 5.1 How to upgrade the image? ==
... ... @@ -1698,6 +1698,7 @@
1698 1698  
1699 1699  [[image:1653360054704-518.png||height="186" width="745"]]
1700 1700  
1800 +
1701 1701  (((
1702 1702  (((
1703 1703  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1706,6 +1706,8 @@
1706 1706  
1707 1707  (((
1708 1708  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 +
1709 1709  )))
1710 1710  
1711 1711  (((
... ... @@ -1759,10 +1759,13 @@
1759 1759  
1760 1760  [[image:1653360498588-932.png||height="485" width="726"]]
1761 1761  
1864 +
1762 1762  == 5.4 Can I see counting event in Serial? ==
1763 1763  
1764 1764  (((
1765 1765  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 +
1870 +
1766 1766  )))
1767 1767  
1768 1768  (((
... ... @@ -1776,10 +1776,8 @@
1776 1776  )))
1777 1777  
1778 1778  (((
1779 -Please see this link for how to debug:
1884 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1780 1780  
1781 -[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1782 -
1783 1783  
1784 1784  )))
1785 1785  
... ... @@ -1788,9 +1788,7 @@
1788 1788  )))
1789 1789  
1790 1790  (((
1791 -See this link for trouble shooting:
1792 -
1793 -[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1894 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1794 1794  )))
1795 1795  
1796 1796  (((
... ... @@ -1802,9 +1802,7 @@
1802 1802  )))
1803 1803  
1804 1804  (((
1805 -It might be about the channels mapping. Please see this link for detail:
1806 -
1807 -[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1906 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1808 1808  )))
1809 1809  
1810 1810  (((
... ... @@ -1878,6 +1878,8 @@
1878 1878  (((
1879 1879  * (((
1880 1880  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1980 +
1981 +
1881 1881  )))
1882 1882  
1883 1883  = 8. Packing Info =
... ... @@ -1910,6 +1910,8 @@
1910 1910  * Device Weight: 105g
1911 1911  * Package Size / pcs : 14.5 x 8 x 5 cm
1912 1912  * Weight / pcs : 170g
2014 +
2015 +
1913 1913  )))
1914 1914  )))
1915 1915  
... ... @@ -1931,6 +1931,8 @@
1931 1931  (((
1932 1932  (((
1933 1933   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2037 +
2038 +
1934 1934  )))
1935 1935  
1936 1936  (((
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