Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 15.5 >
edited by Xiaoling
on 2022/06/06 16:29
To version < 11.1 >
edited by Xiaoling
on 2022/06/06 15:54
>
Change comment: Uploaded new attachment "1654502050864-459.png", version {1}

Summary

Details

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Content
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1 1  (% style="text-align:center" %)
2 2  [[image:image-20220606151504-2.jpeg||height="848" width="848"]]
3 3  
4 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
4 4  
5 5  
6 6  
... ... @@ -8,40 +8,44 @@
8 8  
9 9  
10 10  
11 -= 1. Introduction =
12 12  
13 -== 1.1 ​What is LoRaWAN Soil Moisture & EC Sensor ==
14 14  
15 -(((
16 -The Dragino LSE01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil Moisture & EC Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil moisture of saline-alkali soil and loamy soil. The soil sensor uses FDR method to calculate the soil moisture with the compensation from soil temperature and conductivity. It also has been calibrated in factory for Mineral soil type.
17 -)))
18 18  
19 -(((
20 -It detects (% style="color:#4f81bd" %)**Soil Moisture**(%%), (% style="color:#4f81bd" %)**Soil Temperature**(%%) and (% style="color:#4f81bd" %)**Soil Conductivity**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
21 -)))
22 22  
23 -(((
16 +
17 +
18 +
19 +
20 +
21 +
22 +
23 +1. Introduction
24 +11. ​What is LoRaWAN Soil Moisture & EC Sensor
25 +
26 +The Dragino LSE01 is a **LoRaWAN Soil Moisture & EC Sensor** for IoT of Agriculture. It is designed to measure the soil moisture of saline-alkali soil and loamy soil. The soil sensor uses FDR method to calculate the soil moisture with the compensation from soil temperature and conductivity. It also has been calibrated in factory for Mineral soil type.
27 +
28 +
29 +It detects **Soil Moisture**, **Soil Temperature** and **Soil Conductivity**, and uploads the value via wireless to LoRaWAN IoT Server.
30 +
31 +
24 24  The LoRa wireless technology used in LES01 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
25 -)))
26 26  
27 -(((
28 -LES01 is powered by (% style="color:#4f81bd" %)**4000mA or 8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 10 years.
29 -)))
30 30  
31 -(((
32 -Each LES01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
33 -)))
35 +LES01 is powered by **4000mA or 8500mAh Li-SOCI2 battery**, It is designed for long term use up to 10 years.
34 34  
35 35  
36 -[[image:1654503236291-817.png]]
38 +Each LES01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37 37  
38 38  
39 -[[image:1654503265560-120.png]]
41 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
40 40  
41 41  
44 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
42 42  
43 -== 1.2 ​Features ==
44 44  
47 +
48 +*
49 +*1. ​Features
45 45  * LoRaWAN 1.0.3 Class A
46 46  * Ultra low power consumption
47 47  * Monitor Soil Moisture
... ... @@ -54,45 +54,63 @@
54 54  * IP66 Waterproof Enclosure
55 55  * 4000mAh or 8500mAh Battery for long term use
56 56  
57 -== 1.3 Specification ==
62 +1.
63 +11. Specification
58 58  
59 59  Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height.
60 60  
61 -[[image:image-20220606162220-5.png]]
67 +|**Parameter**|**Soil Moisture**|**Soil Conductivity**|**Soil Temperature**
68 +|**Range**|**0-100.00%**|(((
69 +**0-20000uS/cm**
62 62  
71 +**(25℃)(0-20.0EC)**
72 +)))|**-40.00℃～85.00℃**
73 +|**Unit**|**V/V %,**|**uS/cm,**|**℃**
74 +|**Resolution**|**0.01%**|**1 uS/cm**|**0.01℃**
75 +|**Accuracy**|(((
76 +**±3% (0-53%)**
63 63  
78 +**±5% (>53%)**
79 +)))|**2%FS,**|(((
80 +**-10℃～50℃:<0.3℃**
64 64  
65 -== ​1.4 Applications ==
82 +**All other: <0.6℃**
83 +)))
84 +|(((
85 +**Measure**
66 66  
87 +**Method**
88 +)))|**FDR , with temperature &EC compensate**|**Conductivity , with temperature compensate**|**RTD, and calibrate**
89 +
90 +*
91 +*1. ​Applications
67 67  * Smart Agriculture
68 68  
69 -== ​1.5 Firmware Change log ==
94 +1.
95 +11. ​Firmware Change log
70 70  
97 +**LSE01 v1.0:**
71 71  
72 -**LSE01 v1.0 :**  Release
99 +* Release
73 73  
101 +1. Configure LSE01 to connect to LoRaWAN network
102 +11. How it works
74 74  
104 +The LSE01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSE0150. It will automatically join the network via OTAA and start to send the sensor value
75 75  
76 -= 2. Configure LSE01 to connect to LoRaWAN network =
77 77  
78 -== 2.1 How it works ==
107 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#_​Using_the_AT]]to set the keys in the LSE01.
79 79  
80 -(((
81 -The LSE01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSE0150. It will automatically join the network via OTAA and start to send the sensor value
82 -)))
83 83  
84 -(((
85 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.​UsingtheATCommands"]].
86 -)))
87 87  
88 88  
112 +1.
113 +11. ​Quick guide to connect to LoRaWAN server (OTAA)
89 89  
90 -== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
91 -
92 92  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
93 93  
94 94  
95 -[[image:1654503992078-669.png]]
118 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
96 96  
97 97  
98 98  The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
... ... @@ -124,6 +124,7 @@
124 124  
125 125  )))
126 126  
150 +
127 127  **Step 2**: Power on LSE01
128 128  
129 129  
... ... @@ -177,7 +177,7 @@
177 177  
178 178  
179 179  1.
180 -11.
204 +11.
181 181  111. MOD=1(Original value)
182 182  
183 183  This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation).
... ... @@ -200,7 +200,7 @@
200 200  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
201 201  
202 202  1.
203 -11.
227 +11.
204 204  111. Battery Info
205 205  
206 206  Check the battery voltage for LSE01.
... ... @@ -211,8 +211,8 @@
211 211  
212 212  
213 213  
214 -1.
215 -11.
238 +1.
239 +11.
216 216  111. Soil Moisture
217 217  
218 218  Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil.
... ... @@ -222,8 +222,8 @@
222 222  **05DC(H) = 1500(D) /100 = 15%.**
223 223  
224 224  
225 -1.
226 -11.
249 +1.
250 +11.
227 227  111. Soil Temperature
228 228  
229 229   Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is 0x09 0xEC, the temperature content in the soil is
... ... @@ -235,8 +235,8 @@
235 235  If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C
236 236  
237 237  
238 -1.
239 -11.
262 +1.
263 +11.
240 240  111. Soil Conductivity (EC)
241 241  
242 242  Obtain soluble salt concentration in soil or soluble ion concentration in liquid fertilizer or planting medium,. The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000).
... ... @@ -246,8 +246,8 @@
246 246  
247 247  Generally, the EC value of irrigation water is less than 800uS / cm.
248 248  
249 -1.
250 -11.
273 +1.
274 +11.
251 251  111. MOD
252 252  
253 253  Firmware version at least v2.1 supports changing mode.
... ... @@ -264,8 +264,8 @@
264 264  If** **payload =** **0x0A01, workmode=1
265 265  
266 266  
267 -1.
268 -11.
291 +1.
292 +11.
269 269  111. ​Decode payload in The Things Network
270 270  
271 271  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -278,7 +278,7 @@
278 278  LSE01 TTN Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
279 279  
280 280  
281 -1.
305 +1.
282 282  11. Uplink Interval
283 283  
284 284  The LSE01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
... ... @@ -285,7 +285,7 @@
285 285  
286 286  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]]
287 287  
288 -1.
312 +1.
289 289  11. ​Downlink Payload
290 290  
291 291  By default, LSE50 prints the downlink payload to console port.
... ... @@ -318,7 +318,7 @@
318 318  
319 319  Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
320 320  
321 -1.
345 +1.
322 322  11. ​Show Data in DataCake IoT Server
323 323  
324 324  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
... ... @@ -359,8 +359,8 @@
359 359  
360 360  The LSE01 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
361 361  
362 -1.
363 -11.
386 +1.
387 +11.
364 364  111. EU863-870 (EU868)
365 365  
366 366  Uplink:
... ... @@ -391,8 +391,8 @@
391 391  869.525 - SF9BW125 (RX2 downlink only)
392 392  
393 393  
394 -1.
395 -11.
418 +1.
419 +11.
396 396  111. US902-928(US915)
397 397  
398 398  Used in USA, Canada and South America. Default use CHE=2
... ... @@ -437,8 +437,8 @@
437 437  923.3 - SF12BW500(RX2 downlink only)
438 438  
439 439  
440 -1.
441 -11.
464 +1.
465 +11.
442 442  111. CN470-510 (CN470)
443 443  
444 444  Used in China, Default use CHE=1
... ... @@ -483,8 +483,8 @@
483 483  505.3 - SF12BW125 (RX2 downlink only)
484 484  
485 485  
486 -1.
487 -11.
510 +1.
511 +11.
488 488  111. AU915-928(AU915)
489 489  
490 490  Default use CHE=2
... ... @@ -528,8 +528,8 @@
528 528  
529 529  923.3 - SF12BW500(RX2 downlink only)
530 530  
531 -1.
532 -11.
555 +1.
556 +11.
533 533  111. AS920-923 & AS923-925 (AS923)
534 534  
535 535  **Default Uplink channel:**
... ... @@ -581,8 +581,8 @@
581 581  923.2 - SF10BW125 (RX2)
582 582  
583 583  
584 -1.
585 -11.
608 +1.
609 +11.
586 586  111. KR920-923 (KR920)
587 587  
588 588  Default channel:
... ... @@ -618,8 +618,8 @@
618 618  921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
619 619  
620 620  
621 -1.
622 -11.
645 +1.
646 +11.
623 623  111. IN865-867 (IN865)
624 624  
625 625  Uplink:
... ... @@ -638,7 +638,7 @@
638 638  866.550 - SF10BW125 (RX2)
639 639  
640 640  
641 -1.
665 +1.
642 642  11. LED Indicator
643 643  
644 644  The LSE01 has an internal LED which is to show the status of different state.
... ... @@ -648,7 +648,7 @@
648 648  * Solid ON for 5 seconds once device successful Join the network.
649 649  * Blink once when device transmit a packet.
650 650  
651 -1.
675 +1.
652 652  11. Installation in Soil
653 653  
654 654  **Measurement the soil surface**
... ... @@ -675,7 +675,7 @@
675 675  
676 676  
677 677  
678 -1.
702 +1.
679 679  11. ​Firmware Change Log
680 680  
681 681  **Firmware download link:**
... ... @@ -694,7 +694,7 @@
694 694  
695 695  
696 696  
697 -1.
721 +1.
698 698  11. ​Battery Analysis
699 699  111. ​Battery Type
700 700  
... ... @@ -718,15 +718,15 @@
718 718  
719 719  
720 720  
721 -1.
722 -11.
745 +1.
746 +11.
723 723  111. ​Battery Note
724 724  
725 725  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
726 726  
727 727  
728 -1.
729 -11.
752 +1.
753 +11.
730 730  111. ​Replace the battery
731 731  
732 732  If Battery is lower than 2.7v, user should replace the battery of LSE01.
... ... @@ -746,7 +746,6 @@
746 746  
747 747  == 3.1 Access AT Commands ==
748 748  
749 -
750 750  LSE01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSE01 for using AT command, as below.
751 751  
752 752  [[image:1654501986557-872.png]]
... ... @@ -755,124 +755,129 @@
755 755  Or if you have below board, use below connection:
756 756  
757 757  
758 -[[image:1654502005655-729.png]]
781 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
759 759  
760 760  
761 761  
762 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSE01. LSE01 will output system info once power on as below:
785 +In the PC, you need to set the serial baud rate to **9600** to access the serial console for LSE01. LSE01 will output system info once power on as below:
763 763  
764 764  
765 - [[image:1654502050864-459.png]]
788 + [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
766 766  
767 767  
768 768  Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]
769 769  
770 770  
771 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>? **(%%) : Help on <CMD>
794 +AT+<CMD>?        : Help on <CMD>
772 772  
773 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD> **(%%) : Run <CMD>
796 +AT+<CMD>         : Run <CMD>
774 774  
775 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=<value>**(%%) : Set the value
798 +AT+<CMD>=<value> : Set the value
776 776  
777 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=?**(%%)  : Get the value
800 +AT+<CMD>=?       : Get the value
778 778  
779 779  
780 -(% style="color:#037691" %)**General Commands**(%%)      
803 +**General Commands**      
781 781  
782 -(% style="background-color:#dcdcdc" %)**AT**(%%)  : Attention       
805 +AT                    : Attention       
783 783  
784 -(% style="background-color:#dcdcdc" %)**AT?**(%%)  : Short Help     
807 +AT?                            : Short Help     
785 785  
786 -(% style="background-color:#dcdcdc" %)**ATZ**(%%)  : MCU Reset    
809 +ATZ                            : MCU Reset    
787 787  
788 -(% style="background-color:#dcdcdc" %)**AT+TDC**(%%)  : Application Data Transmission Interval 
811 +AT+TDC           : Application Data Transmission Interval 
789 789  
790 790  
791 -(% style="color:#037691" %)**Keys, IDs and EUIs management**
814 +**Keys, IDs and EUIs management**
792 792  
793 -(% style="background-color:#dcdcdc" %)**AT+APPEUI**(%%)              : Application EUI      
816 +AT+APPEUI              : Application EUI      
794 794  
795 -(% style="background-color:#dcdcdc" %)**AT+APPKEY**(%%)              : Application Key     
818 +AT+APPKEY              : Application Key     
796 796  
797 -(% style="background-color:#dcdcdc" %)**AT+APPSKEY**(%%)            : Application Session Key
820 +AT+APPSKEY            : Application Session Key
798 798  
799 -(% style="background-color:#dcdcdc" %)**AT+DADDR**(%%)              : Device Address     
822 +AT+DADDR              : Device Address     
800 800  
801 -(% style="background-color:#dcdcdc" %)**AT+DEUI**(%%)                   : Device EUI     
824 +AT+DEUI                   : Device EUI     
802 802  
803 -(% style="background-color:#dcdcdc" %)**AT+NWKID**(%%)               : Network ID (You can enter this command change only after successful network connection) 
826 +AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
804 804  
805 -(% style="background-color:#dcdcdc" %)**AT+NWKSKEY**(%%)          : Network Session Key Joining and sending date on LoRa network  
828 +AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
806 806  
807 -(% style="background-color:#dcdcdc" %)**AT+CFM**(%%)  : Confirm Mode       
830 +AT+CFM          : Confirm Mode       
808 808  
809 -(% style="background-color:#dcdcdc" %)**AT+CFS**(%%)                     : Confirm Status       
832 +AT+CFS                     : Confirm Status       
810 810  
811 -(% style="background-color:#dcdcdc" %)**AT+JOIN**(%%)  : Join LoRa? Network       
834 +AT+JOIN          : Join LoRa? Network       
812 812  
813 -(% style="background-color:#dcdcdc" %)**AT+NJM**(%%)  : LoRa? Network Join Mode    
836 +AT+NJM          : LoRa? Network Join Mode    
814 814  
815 -(% style="background-color:#dcdcdc" %)**AT+NJS**(%%)                     : LoRa? Network Join Status    
838 +AT+NJS                     : LoRa? Network Join Status    
816 816  
817 -(% style="background-color:#dcdcdc" %)**AT+RECV**(%%)                  : Print Last Received Data in Raw Format
840 +AT+RECV                  : Print Last Received Data in Raw Format
818 818  
819 -(% style="background-color:#dcdcdc" %)**AT+RECVB**(%%)                : Print Last Received Data in Binary Format      
842 +AT+RECVB                : Print Last Received Data in Binary Format      
820 820  
821 -(% style="background-color:#dcdcdc" %)**AT+SEND**(%%)                  : Send Text Data      
844 +AT+SEND                  : Send Text Data      
822 822  
823 -(% style="background-color:#dcdcdc" %)**AT+SENB**(%%)                  : Send Hexadecimal Data
846 +AT+SENB                  : Send Hexadecimal Data
824 824  
825 825  
826 -(% style="color:#037691" %)**LoRa Network Management**
849 +**LoRa Network Management**
827 827  
828 -(% style="background-color:#dcdcdc" %)**AT+ADR**(%%)          : Adaptive Rate
851 +AT+ADR          : Adaptive Rate
829 829  
830 -(% style="background-color:#dcdcdc" %)**AT+CLASS**(%%)  : LoRa Class(Currently only support class A
853 +AT+CLASS                : LoRa Class(Currently only support class A
831 831  
832 -(% style="background-color:#dcdcdc" %)**AT+DCS**(%%)  : Duty Cycle Setting 
855 +AT+DCS           : Duty Cycle Setting 
833 833  
834 -(% style="background-color:#dcdcdc" %)**AT+DR**(%%)  : Data Rate (Can Only be Modified after ADR=0)     
857 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
835 835  
836 -(% style="background-color:#dcdcdc" %)**AT+FCD**(%%)  : Frame Counter Downlink       
859 +AT+FCD           : Frame Counter Downlink       
837 837  
838 -(% style="background-color:#dcdcdc" %)**AT+FCU**(%%)  : Frame Counter Uplink   
861 +AT+FCU           : Frame Counter Uplink   
839 839  
840 -(% style="background-color:#dcdcdc" %)**AT+JN1DL**(%%)  : Join Accept Delay1
863 +AT+JN1DL                : Join Accept Delay1
841 841  
842 -(% style="background-color:#dcdcdc" %)**AT+JN2DL**(%%)  : Join Accept Delay2
865 +AT+JN2DL                : Join Accept Delay2
843 843  
844 -(% style="background-color:#dcdcdc" %)**AT+PNM**(%%)  : Public Network Mode   
867 +AT+PNM                   : Public Network Mode   
845 845  
846 -(% style="background-color:#dcdcdc" %)**AT+RX1DL**(%%)  : Receive Delay1      
869 +AT+RX1DL                : Receive Delay1      
847 847  
848 -(% style="background-color:#dcdcdc" %)**AT+RX2DL**(%%)  : Receive Delay2      
871 +AT+RX2DL                : Receive Delay2      
849 849  
850 -(% style="background-color:#dcdcdc" %)**AT+RX2DR**(%%)  : Rx2 Window Data Rate 
873 +AT+RX2DR               : Rx2 Window Data Rate 
851 851  
852 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ**(%%)  : Rx2 Window Frequency
875 +AT+RX2FQ               : Rx2 Window Frequency
853 853  
854 -(% style="background-color:#dcdcdc" %)**AT+TXP**(%%)  : Transmit Power
877 +AT+TXP           : Transmit Power
855 855  
856 -(% style="background-color:#dcdcdc" %)**AT+ MOD**(%%)  : Set work mode
879 +AT+ MOD                 : Set work mode
857 857  
858 858  
859 -(% style="color:#037691" %)**Information** 
882 +**Information** 
860 860  
861 -(% style="background-color:#dcdcdc" %)**AT+RSSI**(%%)           : RSSI of the Last Received Packet   
884 +AT+RSSI           : RSSI of the Last Received Packet   
862 862  
863 -(% style="background-color:#dcdcdc" %)**AT+SNR**(%%)           : SNR of the Last Received Packet   
886 +AT+SNR           : SNR of the Last Received Packet   
864 864  
865 -(% style="background-color:#dcdcdc" %)**AT+VER**(%%)           : Image Version and Frequency Band       
888 +AT+VER           : Image Version and Frequency Band       
866 866  
867 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)           : Factory Data Reset
890 +AT+FDR           : Factory Data Reset
868 868  
869 -(% style="background-color:#dcdcdc" %)**AT+PORT**(%%)  : Application Port    
892 +AT+PORT                  : Application Port    
870 870  
871 -(% style="background-color:#dcdcdc" %)**AT+CHS**(%%)  : Get or Set Frequency (Unit: Hz) for Single Channel Mode
894 +AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
872 872  
873 - (% style="background-color:#dcdcdc" %)**AT+CHE**(%%)  : Get or Set eight channels mode, Only for US915, AU915, CN470
896 + AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
874 874  
875 875  
899 +
900 +
901 +
902 +
903 +
876 876  = ​4. FAQ =
877 877  
878 878  == 4.1 ​How to change the LoRa Frequency Bands/Region? ==
... ... @@ -903,6 +903,7 @@
903 903  * 905.3 - SF7BW125 to SF10BW125
904 904  * 904.6 - SF8BW500
905 905  
934 +
906 906  Because the end node is now hopping in 72 frequency, it makes it difficult for the devices to Join the TTN network and uplink data. To solve this issue, you can access the device via the AT commands and run:
907 907  
908 908  (% class="box infomessage" %)
... ... @@ -1013,4 +1013,3 @@
1013 1013  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1014 1014  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
1015 1015  
1016 -
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