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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.25
edited by Xiaoling
on 2022/06/20 12:00
Change comment: There is no comment for this version
To version 90.2
edited by Xiaoling
on 2022/08/18 11:36
Change comment: There is no comment for this version

Summary

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... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -42,6 +42,8 @@
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44 +
45 +
45 45  )))
46 46  
47 47  (((
... ... @@ -173,6 +173,7 @@
173 173  
174 174  == 1.3 Features ==
175 175  
177 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 178  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -182,8 +182,12 @@
182 182  * Counting
183 183  
184 184  
187 +
188 +
189 +
185 185  == 1.4  Applications ==
186 186  
192 +
187 187  * Smart Buildings & Home Automation
188 188  * Logistics and Supply Chain Management
189 189  * Smart Metering
... ... @@ -192,8 +192,12 @@
192 192  * Smart Factory
193 193  
194 194  
201 +
202 +
203 +
195 195  == 1.5 Hardware Variants ==
196 196  
206 +
197 197  (% border="1" style="background-color:#f7faff; width:500px" %)
198 198  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
199 199  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -210,6 +210,7 @@
210 210  
211 211  = 2. Power ON Device =
212 212  
223 +
213 213  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.
214 214  
215 215  (((
... ... @@ -224,19 +224,24 @@
224 224  
225 225  == 3.1 How it works? ==
226 226  
238 +
227 227  (((
228 -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. 
240 +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 (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**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. 
229 229  )))
230 230  
231 231  (((
232 -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.
244 +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.
233 233  )))
234 234  
235 235  
248 +
236 236  == 3.2 Example to join LoRaWAN network ==
237 237  
251 +
238 238  (((
239 239  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
254 +
255 +
240 240  )))
241 241  
242 242  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -244,6 +244,8 @@
244 244  
245 245  (((
246 246  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
263 +
264 +
247 247  )))
248 248  
249 249  (((
... ... @@ -281,14 +281,13 @@
281 281  
282 282  There are five working modes + one interrupt mode on LT for different type application:
283 283  
284 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
285 -* **MOD2**: Double DI Counting + DO + RO
286 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
287 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
288 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
289 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
302 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
303 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
304 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
305 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
306 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
307 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290 290  
291 -
292 292  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
293 293  
294 294  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -342,7 +342,6 @@
342 342  ** DO1 is high in case there is load between DO1 and V+.
343 343  ** DO1 LED is off in both case
344 344  
345 -
346 346  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
347 347  
348 348  
... ... @@ -392,24 +392,20 @@
392 392  
393 393  (((
394 394  **For LT22222-L:**
395 -)))
396 396  
397 -(% class="box infomessage" %)
398 -(((
399 -(((
400 -**AT+TRIG1=0,100  (set DI1 port to trigger on low level, valid signal is 100ms) **
401 401  
402 -**AT+TRIG1=1,100  (set DI1 port to trigger on high level, valid signal is 100ms ) **
413 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
403 403  
404 -**AT+TRIG2=0,100  (set DI2 port to trigger on low level, valid signal is 100ms) **
415 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
405 405  
406 -**AT+TRIG2=1,100  (set DI2 port to trigger on high level, valid signal is 100ms ) **
417 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
407 407  
408 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
419 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
409 409  
410 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
421 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
422 +
423 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
411 411  )))
412 -)))
413 413  
414 414  
415 415  
... ... @@ -420,6 +420,8 @@
420 420  [[image:image-20220523181246-5.png]]
421 421  
422 422  (((
435 +
436 +
423 423  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
424 424  )))
425 425  
... ... @@ -433,6 +433,7 @@
433 433  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
434 434  )))
435 435  
450 +
436 436  (((
437 437  **To use counting mode, please run:**
438 438  )))
... ... @@ -565,8 +565,8 @@
565 565  
566 566  For example, if user has configured below commands:
567 567  
568 -* **AT+MOD=1 ** **~-~->** The normal working mode
569 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
583 +* **AT+MOD=1 ** **~-~->**  The normal working mode
584 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
570 570  
571 571  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
572 572  
... ... @@ -573,9 +573,9 @@
573 573  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
574 574  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.**
575 575  
576 -
577 577  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
578 578  
593 +
579 579  (% style="color:#4f81bd" %)**Trigger base on voltage**:
580 580  
581 581  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -715,7 +715,6 @@
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  
718 -
719 719  === 3.4.1 Common Commands ===
720 720  
721 721  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]]
... ... @@ -724,6 +724,7 @@
724 724  
725 725  === 3.4.2 Sensor related commands ===
726 726  
741 +
727 727  ==== 3.4.2.1 Set Transmit Interval ====
728 728  
729 729  Set device uplink interval.
... ... @@ -730,23 +730,19 @@
730 730  
731 731  * (% style="color:#037691" %)**AT Command:**
732 732  
733 -(% class="box infomessage" %)
734 -(((
735 735  **AT+TDC=N **
736 -)))
737 737  
750 +
738 738  **Example: **AT+TDC=30000. Means set interval to 30 seconds
739 739  
740 740  
741 741  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
742 742  
743 -(% class="box infomessage" %)
744 -(((
745 745  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
746 -)))
747 747  
748 748  
749 749  
760 +
750 750  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
751 751  
752 752  Set work mode.
... ... @@ -753,51 +753,42 @@
753 753  
754 754  * (% style="color:#037691" %)**AT Command:**
755 755  
756 -(% class="box infomessage" %)
757 -(((
758 758  **AT+MOD=N  **
759 -)))
760 760  
769 +
761 761  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
762 762  
763 763  
764 764  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
765 765  
766 -(% class="box infomessage" %)
767 -(((
768 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
769 -)))
775 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
770 770  
771 771  
772 772  
779 +
773 773  ==== 3.4.2.3 Poll an uplink ====
774 774  
775 -* (% style="color:#037691" %)AT Command:
782 +* (% style="color:#037691" %)**AT Command:**
776 776  
777 777  There is no AT Command to poll uplink
778 778  
779 779  
780 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
787 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
781 781  
782 -(% class="box infomessage" %)
783 -(((
784 -**0x08 FF     ~/~/ Poll an uplink,**
785 -)))
789 +**0x08 FF     **~/~/ Poll an uplink
786 786  
787 787  **Example**: 0x08FF, ask device to send an Uplink
788 788  
789 789  
790 790  
795 +
791 791  ==== 3.4.2.4 Enable Trigger Mode ====
792 792  
793 793  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
794 794  
795 -* (% style="color:#037691" %)AT Command:
800 +* (% style="color:#037691" %)**AT Command:**
796 796  
797 -(% class="box infomessage" %)
798 -(((
799 799  **AT+ADDMOD6=1 or 0**
800 -)))
801 801  
802 802  1: Enable Trigger Mode
803 803  
... ... @@ -804,38 +804,34 @@
804 804  0: Disable Trigger Mode
805 805  
806 806  
807 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
809 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
808 808  
809 -(% class="box infomessage" %)
810 -(((
811 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
812 -)))
811 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
813 813  
814 814  
815 815  
815 +
816 816  ==== 3.4.2.5 Poll trigger settings ====
817 817  
818 818  Poll trigger settings,
819 819  
820 -* (% style="color:#037691" %)AT Command:
820 +* (% style="color:#037691" %)**AT Command:**
821 821  
822 822  There is no AT Command for this feature.
823 823  
824 824  
825 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
825 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
826 826  
827 -(% class="box infomessage" %)
828 -(((
829 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
830 -)))
827 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
831 831  
832 832  
833 833  
831 +
834 834  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
835 835  
836 836  Enable Disable DI1/DI2/DI2 as trigger,
837 837  
838 -* (% style="color:#037691" %)AT Command:
836 +* (% style="color:#037691" %)**AT Command:**
839 839  
840 840  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
841 841  
... ... @@ -844,7 +844,7 @@
844 844  
845 845  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
846 846  
847 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
845 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
848 848  
849 849  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
850 850  
... ... @@ -855,7 +855,7 @@
855 855  
856 856  Set DI1 or DI3(for LT-33222-L) trigger.
857 857  
858 -* (% style="color:#037691" %)AT Command:
856 +* (% style="color:#037691" %)**AT Command:**
859 859  
860 860  **AT+TRIG1=a,b**
861 861  
... ... @@ -872,8 +872,6 @@
872 872  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
873 873  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
874 874  
875 -
876 -
877 877  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
878 878  
879 879  Set DI2 trigger.
... ... @@ -934,11 +934,11 @@
934 934  
935 935  ==== 3.4.2.11 Trigger – Set minimum interval ====
936 936  
937 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
933 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
938 938  
939 939  * (% style="color:#037691" %)**AT Command**
940 940  
941 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
937 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
942 942  
943 943  
944 944  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -945,9 +945,15 @@
945 945  
946 946  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
947 947  
944 +(((
945 +
948 948  
947 +(% style="color:red" %)Note: ATDC setting must be more than 5min
948 +)))
949 949  
950 950  
951 +
952 +
951 951  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
952 952  
953 953  * (% style="color:#037691" %)**AT Command**
... ... @@ -1099,7 +1099,7 @@
1099 1099  
1100 1100  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1101 1101  
1102 -[[image:image-20220524093831-10.png]]
1104 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1103 1103  
1104 1104  
1105 1105  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1109,21 +1109,21 @@
1109 1109  
1110 1110  **Example payload:**
1111 1111  
1112 -**~1. 05 01 11 07 D0**
1114 +**~1. 05 01 11 07 D**
1113 1113  
1114 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1116 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1115 1115  
1116 1116  **2. 05 01 10 07 D0**
1117 1117  
1118 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1120 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1119 1119  
1120 1120  **3. 05 00 01 07 D0**
1121 1121  
1122 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1124 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1123 1123  
1124 1124  **4. 05 00 00 07 D0**
1125 1125  
1126 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1128 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1127 1127  
1128 1128  
1129 1129  
... ... @@ -1148,7 +1148,7 @@
1148 1148  
1149 1149  * (% style="color:#037691" %)**AT Command:**
1150 1150  
1151 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1153 +**AT+SETCNT=aa,(bb cc dd ee) **
1152 1152  
1153 1153  aa: 1: Set count1,
1154 1154  
... ... @@ -1172,7 +1172,7 @@
1172 1172  
1173 1173  * (% style="color:#037691" %)**AT Command:**
1174 1174  
1175 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1177 +**AT+CLRCOUNT ** ~/~/ clear all counting
1176 1176  
1177 1177  
1178 1178  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1213,12 +1213,11 @@
1213 1213  (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1214 1214  )))
1215 1215  
1216 -[[image:1653356737703-362.png||height="232" width="732"]]
1218 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1217 1217  
1218 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1219 1219  
1220 1220  
1221 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1222 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1222 1222  
1223 1223  
1224 1224  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1430,6 +1430,7 @@
1430 1430  [[image:image-20220524100748-11.png]]
1431 1431  
1432 1432  
1434 +
1433 1433  = 4. Use AT Command =
1434 1434  
1435 1435  == 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  
... ... @@ -1679,8 +1679,6 @@
1679 1679  
1680 1680  (((
1681 1681  (% style="background-color:#dcdcdc" %)ATZ
1682 -
1683 -
1684 1684  )))
1685 1685  
1686 1686  
... ... @@ -1793,7 +1793,7 @@
1793 1793  
1794 1794  
1795 1795  (% style="color:blue" %)**For LT-22222-L**(%%):
1796 -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.
1794 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1797 1797  )))
1798 1798  
1799 1799   [[image:image-20220524103407-12.png]]
... ... @@ -1887,6 +1887,8 @@
1887 1887  == 5.5 Can i use point to point communication for LT-22222-L? ==
1888 1888  
1889 1889  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1888 +
1889 +
1890 1890  )))
1891 1891  
1892 1892  (((
... ... @@ -1900,12 +1900,13 @@
1900 1900  
1901 1901  After restart, the status before power failure will be read from flash.
1902 1902  
1903 +
1903 1903  = 6. Trouble Shooting =
1904 1904  )))
1905 1905  
1906 1906  (((
1907 1907  (((
1908 -== 6.1 Downlink doesn’t work, how to solve it? ==
1909 +== 6.1 Downlink doesn't work, how to solve it? ==
1909 1909  )))
1910 1910  )))
1911 1911  
... ... @@ -1926,7 +1926,7 @@
1926 1926  (((
1927 1927  
1928 1928  
1929 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1930 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1930 1930  )))
1931 1931  
1932 1932  (((
... ... @@ -1934,24 +1934,22 @@
1934 1934  )))
1935 1935  
1936 1936  
1937 -
1938 1938  = 7. Order Info =
1939 1939  
1940 1940  
1941 1941  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1942 1942  
1943 -
1944 1944  (% style="color:#4f81bd" %)**XXX:**
1945 1945  
1946 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1947 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1948 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1949 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1950 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1951 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1952 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1953 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1954 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1945 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
1946 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
1947 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
1948 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
1949 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
1950 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
1951 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
1952 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
1953 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1955 1955  
1956 1956  = 8. Packing Info =
1957 1957  
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