Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 75.10 >
edited by Xiaoling
on 2022/06/01 17:29
To version < 68.16 >
edited by Xiaoling
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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 (% 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.
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.
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 an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -41,8 +41,6 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 -
45 -
46 46  )))
47 47  
48 48  == 1.2  Specifications ==
... ... @@ -153,8 +153,6 @@
153 153  )))
154 154  * (((
155 155  Packet engine up to 256 bytes with CRC.
156 -
157 -
158 158  )))
159 159  
160 160  == 1.3 Features ==
... ... @@ -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.
... ... @@ -205,7 +205,6 @@
205 205  
206 206  [[image:1653297104069-180.png]]
207 207  
208 -
209 209  = 3. Operation Mode =
210 210  
211 211  == 3.1 How it works? ==
... ... @@ -216,8 +216,6 @@
216 216  
217 217  (((
218 218  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>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
219 -
220 -
221 221  )))
222 222  
223 223  == 3.2 Example to join LoRaWAN network ==
... ... @@ -248,12 +248,10 @@
248 248  
249 249  [[image:1653297955910-247.png||height="321" width="716"]]
250 250  
251 -
252 252  Add APP KEY and DEV EUI
253 253  
254 254  [[image:1653298023685-319.png]]
255 255  
256 -
257 257  (((
258 258  **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
259 259  )))
... ... @@ -260,7 +260,6 @@
260 260  
261 261  [[image:1653298044601-602.png||height="405" width="709"]]
262 262  
263 -
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.
... ... @@ -416,7 +416,6 @@
416 416  )))
417 417  )))
418 418  
419 -
420 420  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
421 421  
422 422  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -457,8 +457,6 @@
457 457  
458 458  (((
459 459  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
460 -
461 -
462 462  )))
463 463  
464 464  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -541,7 +541,6 @@
541 541  )))
542 542  )))
543 543  
544 -
545 545  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
546 546  
547 547  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -582,8 +582,6 @@
582 582  
583 583  (((
584 584  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
585 -
586 -
587 587  )))
588 588  
589 589  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -706,13 +706,10 @@
706 706  
707 707  When device got this command, it will send the MOD6 payload.
708 708  
709 -
710 710  === 3.3.7 Payload Decoder ===
711 711  
712 712  (((
713 713  **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/]]
714 -
715 -
716 716  )))
717 717  
718 718  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -731,7 +731,6 @@
731 731  
732 732  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]]
733 733  
734 -
735 735  === 3.4.2 Sensor related commands ===
736 736  
737 737  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -754,7 +754,6 @@
754 754  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
755 755  )))
756 756  
757 -
758 758  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
759 759  
760 760  Set work mode.
... ... @@ -775,7 +775,6 @@
775 775  **0x0A aa     ~/~/ Same as AT+MOD=aa**
776 776  )))
777 777  
778 -
779 779  ==== 3.4.2.3 Poll an uplink ====
780 780  
781 781  * AT Command:
... ... @@ -791,7 +791,6 @@
791 791  
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 -
795 795  ==== 3.4.2.4 Enable Trigger Mode ====
796 796  
797 797  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]]
... ... @@ -814,7 +814,6 @@
814 814  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
815 815  )))
816 816  
817 -
818 818  ==== 3.4.2.5 Poll trigger settings ====
819 819  
820 820  Poll trigger settings,
... ... @@ -830,7 +830,6 @@
830 830  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
831 831  )))
832 832  
833 -
834 834  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
835 835  
836 836  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -853,7 +853,6 @@
853 853  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
854 854  )))
855 855  
856 -
857 857  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
858 858  
859 859  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -880,7 +880,6 @@
880 880  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
881 881  )))
882 882  
883 -
884 884  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
885 885  
886 886  Set DI2 trigger.
... ... @@ -907,7 +907,6 @@
907 907  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
908 908  )))
909 909  
910 -
911 911  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
912 912  
913 913  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]]
... ... @@ -926,7 +926,6 @@
926 926  **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]]**
927 927  )))
928 928  
929 -
930 930  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
931 931  
932 932  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]]
... ... @@ -945,7 +945,6 @@
945 945  **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]] **
946 946  )))
947 947  
948 -
949 949  ==== 3.4.2.11 Trigger – Set minimum interval ====
950 950  
951 951  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -964,7 +964,6 @@
964 964  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
965 965  )))
966 966  
967 -
968 968  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
969 969  
970 970  * AT Command:
... ... @@ -1155,7 +1155,6 @@
1155 1155  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1156 1156  )))
1157 1157  
1158 -
1159 1159  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1160 1160  
1161 1161  * AT Command:
... ... @@ -1180,7 +1180,6 @@
1180 1180  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1181 1181  )))
1182 1182  
1183 -
1184 1184  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1185 1185  
1186 1186  Clear counting for counting mode
... ... @@ -1199,7 +1199,6 @@
1199 1199  **0x A6 01     ~/~/ clear all counting,**
1200 1200  )))
1201 1201  
1202 -
1203 1203  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1204 1204  
1205 1205  * AT Command:
... ... @@ -1218,8 +1218,6 @@
1218 1218  
1219 1219  (((
1220 1220  range: aa bb cc:0 to 16777215,  (unit:second)
1221 -
1222 -
1223 1223  )))
1224 1224  
1225 1225  == 3.5 Integrate with Mydevice ==
... ... @@ -1248,7 +1248,6 @@
1248 1248  
1249 1249  [[image:1653356838789-523.png||height="337" width="740"]]
1250 1250  
1251 -
1252 1252  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1253 1253  
1254 1254  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1261,7 +1261,6 @@
1261 1261  
1262 1262  [[image:image-20220524094909-5.png||height="341" width="734"]]
1263 1263  
1264 -
1265 1265  == 3.6 Interface Detail ==
1266 1266  
1267 1267  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1270,7 +1270,6 @@
1270 1270  
1271 1271  [[image:1653356991268-289.png]]
1272 1272  
1273 -
1274 1274  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1275 1275  
1276 1276  (((
... ... @@ -1286,105 +1286,51 @@
1286 1286  [[image:1653357170703-587.png]]
1287 1287  
1288 1288  (((
1289 -(((
1290 1290  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1291 1291  )))
1292 -)))
1293 1293  
1294 -(((
1295 -
1296 -)))
1297 1297  
1298 -(((
1299 1299  **Example1**: Connect to a Low active sensor.
1300 -)))
1301 1301  
1302 -(((
1303 1303  This type of sensor will output a low signal GND when active.
1304 -)))
1305 1305  
1306 -* (((
1307 -Connect sensor’s output to DI1-
1308 -)))
1309 -* (((
1310 -Connect sensor’s VCC to DI1+.
1311 -)))
1250 +* Connect sensor’s output to DI1-
1251 +* Connect sensor’s VCC to DI1+.
1312 1312  
1313 -(((
1314 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1315 -)))
1253 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1316 1316  
1317 -(((
1318 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1319 -)))
1255 +[[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.**
1320 1320  
1321 -(((
1322 -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.
1323 -)))
1257 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1324 1324  
1325 -(((
1326 -
1327 -)))
1328 1328  
1329 -(((
1330 1330  **Example2**: Connect to a High active sensor.
1331 -)))
1332 1332  
1333 -(((
1334 1334  This type of sensor will output a high signal (example 24v) when active.
1335 -)))
1336 1336  
1337 -* (((
1338 -Connect sensor’s output to DI1+
1339 -)))
1340 -* (((
1341 -Connect sensor’s GND DI1-.
1342 -)))
1264 +* Connect sensor’s output to DI1+
1265 +* Connect sensor’s GND DI1-.
1343 1343  
1344 -(((
1345 1345  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1346 -)))
1347 1347  
1348 -(((
1349 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1350 -)))
1269 +[[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.**
1351 1351  
1352 -(((
1353 -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.
1354 -)))
1271 +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.
1355 1355  
1356 -(((
1357 -
1358 -)))
1359 1359  
1360 -(((
1361 1361  **Example3**: Connect to a 220v high active sensor.
1362 -)))
1363 1363  
1364 -(((
1365 1365  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1366 -)))
1367 1367  
1368 -* (((
1369 -Connect sensor’s output to DI1+ with a serial 50K resistor
1370 -)))
1371 -* (((
1372 -Connect sensor’s GND DI1-.
1373 -)))
1278 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1279 +* Connect sensor’s GND DI1-.
1374 1374  
1375 -(((
1376 1376  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1377 -)))
1378 1378  
1379 -(((
1380 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1381 -)))
1283 + [[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.**
1382 1382  
1383 -(((
1384 -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.
1385 -)))
1285 +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.
1386 1386  
1387 -
1388 1388  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1389 1389  
1390 1390  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1391,7 +1391,6 @@
1391 1391  
1392 1392  [[image:1653357531600-905.png]]
1393 1393  
1394 -
1395 1395  === 3.6.4 Analog Input Interface ===
1396 1396  
1397 1397  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:
... ... @@ -1419,7 +1419,6 @@
1419 1419  
1420 1420  [[image:1653357648330-671.png||height="155" width="733"]]
1421 1421  
1422 -
1423 1423  === 3.6.5 Relay Output ===
1424 1424  
1425 1425  (((
... ... @@ -1430,12 +1430,10 @@
1430 1430  
1431 1431  [[image:image-20220524100215-10.png||height="382" width="723"]]
1432 1432  
1433 -
1434 1434  == 3.7 LEDs Indicators ==
1435 1435  
1436 1436  [[image:image-20220524100748-11.png]]
1437 1437  
1438 -
1439 1439  = 4. Use AT Command =
1440 1440  
1441 1441  == 4.1 Access AT Command ==
... ... @@ -1636,8 +1636,6 @@
1636 1636  
1637 1637  (((
1638 1638  AT+CFG: Print all settings
1639 -
1640 -
1641 1641  )))
1642 1642  
1643 1643  == 4.2 Common AT Command Sequence ==
... ... @@ -1679,8 +1679,6 @@
1679 1679  
1680 1680  (((
1681 1681  (% style="background-color:#dcdcdc" %)ATZ
1682 -
1683 -
1684 1684  )))
1685 1685  
1686 1686  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1762,7 +1762,6 @@
1762 1762  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1763 1763  ATZ
1764 1764  
1765 -
1766 1766  = 5. FAQ =
1767 1767  
1768 1768  == 5.1 How to upgrade the image? ==
... ... @@ -1793,7 +1793,6 @@
1793 1793  
1794 1794  [[image:1653360054704-518.png||height="186" width="745"]]
1795 1795  
1796 -
1797 1797  (((
1798 1798  (((
1799 1799  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1802,8 +1802,6 @@
1802 1802  
1803 1803  (((
1804 1804  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1805 -
1806 -
1807 1807  )))
1808 1808  
1809 1809  (((
... ... @@ -1857,13 +1857,10 @@
1857 1857  
1858 1858  [[image:1653360498588-932.png||height="485" width="726"]]
1859 1859  
1860 -
1861 1861  == 5.4 Can I see counting event in Serial? ==
1862 1862  
1863 1863  (((
1864 1864  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.
1865 -
1866 -
1867 1867  )))
1868 1868  
1869 1869  (((
... ... @@ -1877,8 +1877,10 @@
1877 1877  )))
1878 1878  
1879 1879  (((
1880 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1764 +Please see this link for how to debug:
1881 1881  
1766 +[[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]]
1767 +
1882 1882  
1883 1883  )))
1884 1884  
... ... @@ -1887,7 +1887,9 @@
1887 1887  )))
1888 1888  
1889 1889  (((
1890 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1776 +See this link for trouble shooting:
1777 +
1778 +[[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/]]
1891 1891  )))
1892 1892  
1893 1893  (((
... ... @@ -1899,7 +1899,9 @@
1899 1899  )))
1900 1900  
1901 1901  (((
1902 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1790 +It might be about the channels mapping. Please see this link for detail:
1791 +
1792 +[[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]]
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1973,8 +1973,6 @@
1973 1973  (((
1974 1974  * (((
1975 1975  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1976 -
1977 -
1978 1978  )))
1979 1979  
1980 1980  = 8. Packing Info =
... ... @@ -2007,8 +2007,6 @@
2007 2007  * Device Weight: 105g
2008 2008  * Package Size / pcs : 14.5 x 8 x 5 cm
2009 2009  * Weight / pcs : 170g
2010 -
2011 -
2012 2012  )))
2013 2013  )))
2014 2014  
... ... @@ -2030,8 +2030,6 @@
2030 2030  (((
2031 2031  (((
2032 2032   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2033 -
2034 -
2035 2035  )))
2036 2036  
2037 2037  (((
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