Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 90.5 >
edited by Xiaoling
on 2022/08/18 11:57
To version < 100.1 >
edited by Bei Jinggeng
on 2022/10/08 09:59
>
Change comment: Uploaded new attachment "image-20221008095908-1.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -36,7 +36,7 @@
36 36  )))
37 37  
38 38  (((
39 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 40  )))
41 41  
42 42  (((
... ... @@ -57,7 +57,7 @@
57 57  (((
58 58  
59 59  
60 -**Hardware System:**
61 +(% style="color:#037691" %)**Hardware System:**
61 61  )))
62 62  
63 63  * (((
... ... @@ -82,7 +82,7 @@
82 82  (((
83 83  
84 84  
85 -**Interface for Model: LT22222-L:**
86 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
86 86  )))
87 87  
88 88  * (((
... ... @@ -107,7 +107,7 @@
107 107  (((
108 108  
109 109  
110 -**LoRa Spec:**
111 +(% style="color:#037691" %)**LoRa Spec:**
111 111  )))
112 112  
113 113  * (((
... ... @@ -177,7 +177,7 @@
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 179  * Optional Customized LoRa Protocol
180 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
181 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
181 181  * AT Commands to change parameters
182 182  * Remote configure parameters via LoRa Downlink
183 183  * Firmware upgradable via program port
... ... @@ -212,6 +212,7 @@
212 212  )))
213 213  
214 214  
216 +
215 215  = 2. Power ON Device =
216 216  
217 217  
... ... @@ -219,6 +219,8 @@
219 219  
220 220  (((
221 221  PWR will on when device is properly powered.
224 +
225 +
222 222  )))
223 223  
224 224  [[image:1653297104069-180.png]]
... ... @@ -227,6 +227,7 @@
227 227  
228 228  = 3. Operation Mode =
229 229  
234 +
230 230  == 3.1 How it works? ==
231 231  
232 232  
... ... @@ -323,8 +323,9 @@
323 323  * DI is for digital input. DIx=1: high or float, DIx=0: low.
324 324  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
325 325  
326 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
327 327  
332 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
333 +
328 328  For example if payload is: [[image:image-20220523175847-2.png]]
329 329  
330 330  
... ... @@ -343,6 +343,7 @@
343 343  * [1] RO1 relay channel is close and the RO1 LED is ON.
344 344  * [0] RO2 relay channel is open and RO2 LED is OFF;
345 345  
352 +
346 346  **LT22222-L:**
347 347  
348 348  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -360,6 +360,7 @@
360 360  
361 361  
362 362  
370 +
363 363  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
364 364  
365 365  
... ... @@ -383,7 +383,7 @@
383 383  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
384 384  
385 385  (((
386 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
394 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
387 387  )))
388 388  
389 389  (((
... ... @@ -405,6 +405,8 @@
405 405  
406 406  
407 407  (% style="color:#4f81bd" %)**AT Commands for counting:**
416 +
417 +
408 408  )))
409 409  
410 410  (((
... ... @@ -446,7 +446,7 @@
446 446  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
447 447  
448 448  (((
449 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
459 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
450 450  )))
451 451  
452 452  
... ... @@ -490,7 +490,7 @@
490 490  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491 491  
492 492  (((
493 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
503 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
494 494  )))
495 495  
496 496  (((
... ... @@ -551,7 +551,7 @@
551 551  )))
552 552  
553 553  (((
554 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
564 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
555 555  )))
556 556  
557 557  (((
... ... @@ -585,11 +585,14 @@
585 585  * **AT+MOD=1 ** **~-~->**  The normal working mode
586 586  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
587 587  
598 +
588 588  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
589 589  
590 590  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
591 591  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
592 592  
604 +
605 +
593 593  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
594 594  
595 595  
... ... @@ -597,6 +597,7 @@
597 597  
598 598  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
599 599  
613 +
600 600  **Example:**
601 601  
602 602  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -609,6 +609,7 @@
609 609  
610 610  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
611 611  
626 +
612 612  **Example:**
613 613  
614 614  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -627,6 +627,7 @@
627 627  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
628 628  
629 629  
645 +
630 630  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
631 631  
632 632  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -670,11 +670,13 @@
670 670  
671 671  * Each bits shows if the corresponding trigger has been configured.
672 672  
689 +
673 673  **Example:**
674 674  
675 675  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
676 676  
677 677  
695 +
678 678  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
679 679  
680 680  [[image:image-20220524090249-3.png]]
... ... @@ -681,11 +681,13 @@
681 681  
682 682  * Each bits shows which status has been trigger on this uplink.
683 683  
702 +
684 684  **Example:**
685 685  
686 686  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
687 687  
688 688  
708 +
689 689  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
690 690  
691 691  [[image:image-20220524090456-4.png]]
... ... @@ -692,6 +692,7 @@
692 692  
693 693  * Each bits shows which status has been trigger on this uplink.
694 694  
715 +
695 695  **Example:**
696 696  
697 697  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -699,6 +699,7 @@
699 699  00000101: Means both DI1 and DI2 trigger are enabled.
700 700  
701 701  
723 +
702 702  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
703 703  
704 704  Downlink command to poll MOD6 status:
... ... @@ -709,6 +709,7 @@
709 709  
710 710  
711 711  
734 +
712 712  === 3.3.7 Payload Decoder ===
713 713  
714 714  (((
... ... @@ -796,6 +796,7 @@
796 796  
797 797  **0x08 FF     **~/~/ Poll an uplink
798 798  
822 +
799 799  **Example**: 0x08FF, ask device to send an Uplink
800 800  
801 801  
... ... @@ -962,7 +962,7 @@
962 962  (((
963 963  
964 964  
965 -(% style="color:red" %)Note: ATDC setting must be more than 5min
989 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
966 966  )))
967 967  
968 968  
... ... @@ -990,11 +990,11 @@
990 990  [[image:image-20220524092754-5.png]]
991 991  
992 992  (((
993 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1017 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
994 994  )))
995 995  
996 996  (((
997 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1021 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
998 998  )))
999 999  
1000 1000  
... ... @@ -1039,11 +1039,11 @@
1039 1039  [[image:image-20220524093351-8.png]]
1040 1040  
1041 1041  
1042 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1066 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1043 1043  
1044 1044   Latching time. Unit: ms
1045 1045  
1046 -Device will upload a packet if downlink code executes successfully.
1070 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1047 1047  
1048 1048  
1049 1049  **Example payload:**
... ... @@ -1092,7 +1092,7 @@
1092 1092  [[image:image-20220524093724-9.png]]
1093 1093  )))
1094 1094  
1095 -Device will upload a packet if downlink code executes successfully.
1119 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1096 1096  
1097 1097  
1098 1098  
... ... @@ -1126,9 +1126,9 @@
1126 1126  [[image:image-20220714135731-1.png||height="406" width="627"]]
1127 1127  
1128 1128  
1129 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1153 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1130 1130  
1131 -Device will upload a packet if downlink code executes successfully.
1155 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1132 1132  
1133 1133  
1134 1134  **Example payload:**
... ... @@ -1151,7 +1151,6 @@
1151 1151  
1152 1152  
1153 1153  
1154 -
1155 1155  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1156 1156  
1157 1157  
... ... @@ -1224,11 +1224,121 @@
1224 1224  (((
1225 1225  range: aa bb cc:0 to 16777215,  (unit:second)
1226 1226  
1250 +
1251 +
1227 1227  
1228 1228  )))
1229 1229  
1255 +==== 3.4.2.20 Reset save DR DO state ====
1230 1230  
1231 1231  
1258 +* (% style="color:#037691" %)**AT Command:**
1259 +
1260 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1261 +
1262 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1263 +
1264 +
1265 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1266 +
1267 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1268 +
1269 +(((
1270 +
1271 +
1272 +
1273 +
1274 +==== 3.4.2.21 Encrypted payload ====
1275 +
1276 +
1277 +* (% style="color:#037691" %)**AT Command:**
1278 +
1279 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1280 +
1281 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1282 +
1283 +
1284 +
1285 +
1286 +==== 3.4.2.22 Get sensor value ====
1287 +
1288 +
1289 +* (% style="color:#037691" %)**AT Command:**
1290 +
1291 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1292 +
1293 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1294 +
1295 +
1296 +
1297 +
1298 +==== 3.4.2.23 Resets the downlink packet count ====
1299 +
1300 +
1301 +* (% style="color:#037691" %)**AT Command:**
1302 +
1303 +**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1304 +
1305 +**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1306 +
1307 +
1308 +
1309 +
1310 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1311 +
1312 +
1313 +* (% style="color:#037691" %)**AT Command:**
1314 +
1315 + **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1316 +
1317 + **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1318 +
1319 +
1320 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1321 +
1322 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1323 +
1324 +
1325 +
1326 +
1327 +==== 3.4.2.25 Copy downlink to uplink ====
1328 +
1329 +
1330 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1331 +
1332 + **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1333 +
1334 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1335 +
1336 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1337 +
1338 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1339 +
1340 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1341 +
1342 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1343 +
1344 +
1345 +
1346 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1347 +
1348 +
1349 +* (((
1350 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1351 +
1352 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1353 +
1354 +
1355 +)))
1356 +
1357 +**Example：**
1358 +
1359 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1360 +
1361 +
1362 +
1363 +)))
1364 +
1232 1232  == 3.5 Integrate with Mydevice ==
1233 1233  
1234 1234  
... ... @@ -1327,10 +1327,10 @@
1327 1327  )))
1328 1328  
1329 1329  * (((
1330 -Connect sensor’s output to DI1-
1463 +Connect sensor's output to DI1-
1331 1331  )))
1332 1332  * (((
1333 -Connect sensor’s VCC to DI1+.
1466 +Connect sensor's VCC to DI1+.
1334 1334  )))
1335 1335  
1336 1336  (((
... ... @@ -1338,11 +1338,11 @@
1338 1338  )))
1339 1339  
1340 1340  (((
1341 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1474 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1342 1342  )))
1343 1343  
1344 1344  (((
1345 -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.
1478 +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.
1346 1346  )))
1347 1347  
1348 1348  (((
... ... @@ -1360,10 +1360,10 @@
1360 1360  )))
1361 1361  
1362 1362  * (((
1363 -Connect sensor’s output to DI1+
1496 +Connect sensor's output to DI1+
1364 1364  )))
1365 1365  * (((
1366 -Connect sensor’s GND DI1-.
1499 +Connect sensor's GND DI1-.
1367 1367  )))
1368 1368  
1369 1369  (((
... ... @@ -1393,10 +1393,10 @@
1393 1393  )))
1394 1394  
1395 1395  * (((
1396 -Connect sensor’s output to DI1+ with a serial 50K resistor
1529 +Connect sensor's output to DI1+ with a serial 50K resistor
1397 1397  )))
1398 1398  * (((
1399 -Connect sensor’s GND DI1-.
1532 +Connect sensor's GND DI1-.
1400 1400  )))
1401 1401  
1402 1402  (((
... ... @@ -1463,6 +1463,7 @@
1463 1463  
1464 1464  [[image:image-20220524100215-9.png]]
1465 1465  
1599 +
1466 1466  [[image:image-20220524100215-10.png||height="382" width="723"]]
1467 1467  
1468 1468  
... ... @@ -1795,6 +1795,8 @@
1795 1795  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1796 1796  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1797 1797  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1932 +
1933 +
1798 1798  )))
1799 1799  
1800 1800  (((
... ... @@ -1834,7 +1834,7 @@
1834 1834  
1835 1835  (((
1836 1836  (% 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]].
1837 -(% 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/]].
1973 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1838 1838  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1839 1839  
1840 1840  
... ... @@ -1890,6 +1890,7 @@
1890 1890  (((
1891 1891  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1892 1892  
2029 +
1893 1893  
1894 1894  )))
1895 1895  )))
... ... @@ -1896,10 +1896,14 @@
1896 1896  
1897 1897  (((
1898 1898  (% style="color:blue" %)**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.
2036 +
2037 +
1899 1899  )))
1900 1900  
1901 1901  (((
1902 1902  [[image:1653360231087-571.png||height="401" width="727"]]
2042 +
2043 +
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1907,8 +1907,11 @@
1907 1907  )))
1908 1908  
1909 1909  
2051 +
1910 1910  (((
1911 1911  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2054 +
2055 +
1912 1912  )))
1913 1913  
1914 1914  (((
... ... @@ -1963,8 +1963,18 @@
1963 1963  After restart, the status before power failure will be read from flash.
1964 1964  
1965 1965  
2110 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
1966 1966  
2112 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2113 +
2114 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2115 +
2116 +
2117 +
2118 +
1967 1967  = 6. Trouble Shooting =
2120 +
2121 +
1968 1968  )))
1969 1969  
1970 1970  (((
... ... @@ -2026,7 +2026,6 @@
2026 2026  
2027 2027  
2028 2028  
2029 -
2030 2030  = 8. Packing Info =
2031 2031  
2032 2032  
... ... @@ -2046,7 +2046,6 @@
2046 2046  
2047 2047  
2048 2048  
2049 -
2050 2050  = 9. Support =
2051 2051  
2052 2052  
... ... @@ -2058,7 +2058,6 @@
2058 2058  
2059 2059  
2060 2060  
2061 -
2062 2062  
2063 2063  )))
2064 2064  
... ... @@ -2069,4 +2069,3 @@
2069 2069  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2070 2070  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2071 2071  
2072 -
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