Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 75.8 >
edited by Xiaoling
on 2022/06/01 17:28
To version < 68.16 >
edited by Xiaoling
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Summary

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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" %)
... ... @@ -203,7 +203,6 @@
203 203  
204 204  [[image:1653297104069-180.png]]
205 205  
206 -
207 207  = 3. Operation Mode =
208 208  
209 209  == 3.1 How it works? ==
... ... @@ -214,8 +214,6 @@
214 214  
215 215  (((
216 216  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.
217 -
218 -
219 219  )))
220 220  
221 221  == 3.2 Example to join LoRaWAN network ==
... ... @@ -246,12 +246,10 @@
246 246  
247 247  [[image:1653297955910-247.png||height="321" width="716"]]
248 248  
249 -
250 250  Add APP KEY and DEV EUI
251 251  
252 252  [[image:1653298023685-319.png]]
253 253  
254 -
255 255  (((
256 256  **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.
257 257  )))
... ... @@ -258,7 +258,6 @@
258 258  
259 259  [[image:1653298044601-602.png||height="405" width="709"]]
260 260  
261 -
262 262  == 3.3 Uplink Payload ==
263 263  
264 264  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -412,7 +412,6 @@
412 412  )))
413 413  )))
414 414  
415 -
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.
... ... @@ -453,8 +453,6 @@
453 453  
454 454  (((
455 455  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
456 -
457 -
458 458  )))
459 459  
460 460  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -537,7 +537,6 @@
537 537  )))
538 538  )))
539 539  
540 -
541 541  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
542 542  
543 543  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -578,8 +578,6 @@
578 578  
579 579  (((
580 580  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
581 -
582 -
583 583  )))
584 584  
585 585  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -702,13 +702,10 @@
702 702  
703 703  When device got this command, it will send the MOD6 payload.
704 704  
705 -
706 706  === 3.3.7 Payload Decoder ===
707 707  
708 708  (((
709 709  **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/]]
710 -
711 -
712 712  )))
713 713  
714 714  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -727,7 +727,6 @@
727 727  
728 728  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]]
729 729  
730 -
731 731  === 3.4.2 Sensor related commands ===
732 732  
733 733  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -750,7 +750,6 @@
750 750  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 751  )))
752 752  
753 -
754 754  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
755 755  
756 756  Set work mode.
... ... @@ -771,7 +771,6 @@
771 771  **0x0A aa     ~/~/ Same as AT+MOD=aa**
772 772  )))
773 773  
774 -
775 775  ==== 3.4.2.3 Poll an uplink ====
776 776  
777 777  * AT Command:
... ... @@ -787,7 +787,6 @@
787 787  
788 788  **Example**: 0x08FF, ask device to send an Uplink
789 789  
790 -
791 791  ==== 3.4.2.4 Enable Trigger Mode ====
792 792  
793 793  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]]
... ... @@ -810,7 +810,6 @@
810 810  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
811 811  )))
812 812  
813 -
814 814  ==== 3.4.2.5 Poll trigger settings ====
815 815  
816 816  Poll trigger settings,
... ... @@ -826,7 +826,6 @@
826 826  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
827 827  )))
828 828  
829 -
830 830  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
831 831  
832 832  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -849,7 +849,6 @@
849 849  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
850 850  )))
851 851  
852 -
853 853  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
854 854  
855 855  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -876,7 +876,6 @@
876 876  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
877 877  )))
878 878  
879 -
880 880  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
881 881  
882 882  Set DI2 trigger.
... ... @@ -903,7 +903,6 @@
903 903  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
904 904  )))
905 905  
906 -
907 907  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
908 908  
909 909  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]]
... ... @@ -922,7 +922,6 @@
922 922  **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]]**
923 923  )))
924 924  
925 -
926 926  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
927 927  
928 928  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]]
... ... @@ -941,7 +941,6 @@
941 941  **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]] **
942 942  )))
943 943  
944 -
945 945  ==== 3.4.2.11 Trigger – Set minimum interval ====
946 946  
947 947  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -960,7 +960,6 @@
960 960  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
961 961  )))
962 962  
963 -
964 964  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
965 965  
966 966  * AT Command:
... ... @@ -1151,7 +1151,6 @@
1151 1151  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1152 1152  )))
1153 1153  
1154 -
1155 1155  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1156 1156  
1157 1157  * AT Command:
... ... @@ -1176,7 +1176,6 @@
1176 1176  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1177 1177  )))
1178 1178  
1179 -
1180 1180  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1181 1181  
1182 1182  Clear counting for counting mode
... ... @@ -1195,7 +1195,6 @@
1195 1195  **0x A6 01     ~/~/ clear all counting,**
1196 1196  )))
1197 1197  
1198 -
1199 1199  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1200 1200  
1201 1201  * AT Command:
... ... @@ -1214,8 +1214,6 @@
1214 1214  
1215 1215  (((
1216 1216  range: aa bb cc:0 to 16777215,  (unit:second)
1217 -
1218 -
1219 1219  )))
1220 1220  
1221 1221  == 3.5 Integrate with Mydevice ==
... ... @@ -1244,7 +1244,6 @@
1244 1244  
1245 1245  [[image:1653356838789-523.png||height="337" width="740"]]
1246 1246  
1247 -
1248 1248  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1249 1249  
1250 1250  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1257,7 +1257,6 @@
1257 1257  
1258 1258  [[image:image-20220524094909-5.png||height="341" width="734"]]
1259 1259  
1260 -
1261 1261  == 3.6 Interface Detail ==
1262 1262  
1263 1263  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1266,7 +1266,6 @@
1266 1266  
1267 1267  [[image:1653356991268-289.png]]
1268 1268  
1269 -
1270 1270  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1271 1271  
1272 1272  (((
... ... @@ -1282,105 +1282,51 @@
1282 1282  [[image:1653357170703-587.png]]
1283 1283  
1284 1284  (((
1285 -(((
1286 1286  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1287 1287  )))
1288 -)))
1289 1289  
1290 -(((
1291 -
1292 -)))
1293 1293  
1294 -(((
1295 1295  **Example1**: Connect to a Low active sensor.
1296 -)))
1297 1297  
1298 -(((
1299 1299  This type of sensor will output a low signal GND when active.
1300 -)))
1301 1301  
1302 -* (((
1303 -Connect sensor’s output to DI1-
1304 -)))
1305 -* (((
1306 -Connect sensor’s VCC to DI1+.
1307 -)))
1250 +* Connect sensor’s output to DI1-
1251 +* Connect sensor’s VCC to DI1+.
1308 1308  
1309 -(((
1310 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1311 -)))
1253 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1312 1312  
1313 -(((
1314 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1315 -)))
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.**
1316 1316  
1317 -(((
1318 -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.
1319 -)))
1257 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1320 1320  
1321 -(((
1322 -
1323 -)))
1324 1324  
1325 -(((
1326 1326  **Example2**: Connect to a High active sensor.
1327 -)))
1328 1328  
1329 -(((
1330 1330  This type of sensor will output a high signal (example 24v) when active.
1331 -)))
1332 1332  
1333 -* (((
1334 -Connect sensor’s output to DI1+
1335 -)))
1336 -* (((
1337 -Connect sensor’s GND DI1-.
1338 -)))
1264 +* Connect sensor’s output to DI1+
1265 +* Connect sensor’s GND DI1-.
1339 1339  
1340 -(((
1341 1341  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1342 -)))
1343 1343  
1344 -(((
1345 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1346 -)))
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.**
1347 1347  
1348 -(((
1349 -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.
1350 -)))
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.
1351 1351  
1352 -(((
1353 -
1354 -)))
1355 1355  
1356 -(((
1357 1357  **Example3**: Connect to a 220v high active sensor.
1358 -)))
1359 1359  
1360 -(((
1361 1361  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1362 -)))
1363 1363  
1364 -* (((
1365 -Connect sensor’s output to DI1+ with a serial 50K resistor
1366 -)))
1367 -* (((
1368 -Connect sensor’s GND DI1-.
1369 -)))
1278 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1279 +* Connect sensor’s GND DI1-.
1370 1370  
1371 -(((
1372 1372  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1373 -)))
1374 1374  
1375 -(((
1376 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1377 -)))
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.**
1378 1378  
1379 -(((
1380 -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.
1381 -)))
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.
1382 1382  
1383 -
1384 1384  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1385 1385  
1386 1386  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1387,7 +1387,6 @@
1387 1387  
1388 1388  [[image:1653357531600-905.png]]
1389 1389  
1390 -
1391 1391  === 3.6.4 Analog Input Interface ===
1392 1392  
1393 1393  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:
... ... @@ -1415,7 +1415,6 @@
1415 1415  
1416 1416  [[image:1653357648330-671.png||height="155" width="733"]]
1417 1417  
1418 -
1419 1419  === 3.6.5 Relay Output ===
1420 1420  
1421 1421  (((
... ... @@ -1426,12 +1426,10 @@
1426 1426  
1427 1427  [[image:image-20220524100215-10.png||height="382" width="723"]]
1428 1428  
1429 -
1430 1430  == 3.7 LEDs Indicators ==
1431 1431  
1432 1432  [[image:image-20220524100748-11.png]]
1433 1433  
1434 -
1435 1435  = 4. Use AT Command =
1436 1436  
1437 1437  == 4.1 Access AT Command ==
... ... @@ -1632,8 +1632,6 @@
1632 1632  
1633 1633  (((
1634 1634  AT+CFG: Print all settings
1635 -
1636 -
1637 1637  )))
1638 1638  
1639 1639  == 4.2 Common AT Command Sequence ==
... ... @@ -1675,8 +1675,6 @@
1675 1675  
1676 1676  (((
1677 1677  (% style="background-color:#dcdcdc" %)ATZ
1678 -
1679 -
1680 1680  )))
1681 1681  
1682 1682  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1758,7 +1758,6 @@
1758 1758  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1759 1759  ATZ
1760 1760  
1761 -
1762 1762  = 5. FAQ =
1763 1763  
1764 1764  == 5.1 How to upgrade the image? ==
... ... @@ -1789,7 +1789,6 @@
1789 1789  
1790 1790  [[image:1653360054704-518.png||height="186" width="745"]]
1791 1791  
1792 -
1793 1793  (((
1794 1794  (((
1795 1795  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1798,8 +1798,6 @@
1798 1798  
1799 1799  (((
1800 1800  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1801 -
1802 -
1803 1803  )))
1804 1804  
1805 1805  (((
... ... @@ -1853,13 +1853,10 @@
1853 1853  
1854 1854  [[image:1653360498588-932.png||height="485" width="726"]]
1855 1855  
1856 -
1857 1857  == 5.4 Can I see counting event in Serial? ==
1858 1858  
1859 1859  (((
1860 1860  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.
1861 -
1862 -
1863 1863  )))
1864 1864  
1865 1865  (((
... ... @@ -1873,8 +1873,10 @@
1873 1873  )))
1874 1874  
1875 1875  (((
1876 -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:
1877 1877  
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 +
1878 1878  
1879 1879  )))
1880 1880  
... ... @@ -1883,7 +1883,9 @@
1883 1883  )))
1884 1884  
1885 1885  (((
1886 -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/]]
1887 1887  )))
1888 1888  
1889 1889  (((
... ... @@ -1895,7 +1895,9 @@
1895 1895  )))
1896 1896  
1897 1897  (((
1898 -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]]
1899 1899  )))
1900 1900  
1901 1901  (((
... ... @@ -1969,8 +1969,6 @@
1969 1969  (((
1970 1970  * (((
1971 1971  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1972 -
1973 -
1974 1974  )))
1975 1975  
1976 1976  = 8. Packing Info =
... ... @@ -2003,8 +2003,6 @@
2003 2003  * Device Weight: 105g
2004 2004  * Package Size / pcs : 14.5 x 8 x 5 cm
2005 2005  * Weight / pcs : 170g
2006 -
2007 -
2008 2008  )))
2009 2009  )))
2010 2010  
... ... @@ -2026,8 +2026,6 @@
2026 2026  (((
2027 2027  (((
2028 2028   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2029 -
2030 -
2031 2031  )))
2032 2032  
2033 2033  (((
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