Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 17.2 >
edited by Xiaoling
on 2022/06/06 16:37
To version < 10.1 >
edited by Xiaoling
on 2022/06/06 15:53
>
Change comment: Uploaded new attachment "1654502005655-729.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
... ... @@ -54,50 +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  
94 +1.
95 +11. ​Firmware Change log
69 69  
70 -(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %)
71 -​
97 +**LSE01 v1.0:**
72 72  
73 -(% class="wikigeneratedid" %)
74 -== 1.5 Firmware Change log ==
99 +* Release
75 75  
101 +1. Configure LSE01 to connect to LoRaWAN network
102 +11. How it works
76 76  
77 -**LSE01 v1.0 :**  Release
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
78 78  
79 79  
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.
80 80  
81 -= 2. Configure LSE01 to connect to LoRaWAN network =
82 82  
83 -== 2.1 How it works ==
84 84  
85 -(((
86 -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
87 -)))
88 88  
89 -(((
90 -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"]].
91 -)))
112 +1.
113 +11. ​Quick guide to connect to LoRaWAN server (OTAA)
92 92  
93 -
94 -
95 -== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
96 -
97 97  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.
98 98  
99 99  
100 -[[image:1654503992078-669.png]]
118 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
101 101  
102 102  
103 103  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.
... ... @@ -107,14 +107,16 @@
107 107  
108 108  Each LSE01 is shipped with a sticker with the default device EUI as below:
109 109  
110 -[[image:image-20220606163732-6.jpeg]]
111 111  
129 +
130 +
112 112  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
113 113  
133 +
114 114  **Add APP EUI in the application**
115 115  
116 116  
117 -[[image:1654504596150-405.png]]
137 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
118 118  
119 119  
120 120  
... ... @@ -127,6 +127,7 @@
127 127  
128 128  )))
129 129  
150 +
130 130  **Step 2**: Power on LSE01
131 131  
132 132  
... ... @@ -180,7 +180,7 @@
180 180  
181 181  
182 182  1.
183 -11.
204 +11.
184 184  111. MOD=1(Original value)
185 185  
186 186  This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation).
... ... @@ -203,7 +203,7 @@
203 203  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
204 204  
205 205  1.
206 -11.
227 +11.
207 207  111. Battery Info
208 208  
209 209  Check the battery voltage for LSE01.
... ... @@ -214,8 +214,8 @@
214 214  
215 215  
216 216  
217 -1.
218 -11.
238 +1.
239 +11.
219 219  111. Soil Moisture
220 220  
221 221  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.
... ... @@ -225,8 +225,8 @@
225 225  **05DC(H) = 1500(D) /100 = 15%.**
226 226  
227 227  
228 -1.
229 -11.
249 +1.
250 +11.
230 230  111. Soil Temperature
231 231  
232 232   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
... ... @@ -238,8 +238,8 @@
238 238  If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C
239 239  
240 240  
241 -1.
242 -11.
262 +1.
263 +11.
243 243  111. Soil Conductivity (EC)
244 244  
245 245  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).
... ... @@ -249,8 +249,8 @@
249 249  
250 250  Generally, the EC value of irrigation water is less than 800uS / cm.
251 251  
252 -1.
253 -11.
273 +1.
274 +11.
254 254  111. MOD
255 255  
256 256  Firmware version at least v2.1 supports changing mode.
... ... @@ -267,8 +267,8 @@
267 267  If** **payload =** **0x0A01, workmode=1
268 268  
269 269  
270 -1.
271 -11.
291 +1.
292 +11.
272 272  111. ​Decode payload in The Things Network
273 273  
274 274  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -281,7 +281,7 @@
281 281  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/]]
282 282  
283 283  
284 -1.
305 +1.
285 285  11. Uplink Interval
286 286  
287 287  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:
... ... @@ -288,7 +288,7 @@
288 288  
289 289  [[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]]
290 290  
291 -1.
312 +1.
292 292  11. ​Downlink Payload
293 293  
294 294  By default, LSE50 prints the downlink payload to console port.
... ... @@ -321,7 +321,7 @@
321 321  
322 322  Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
323 323  
324 -1.
345 +1.
325 325  11. ​Show Data in DataCake IoT Server
326 326  
327 327  [[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:
... ... @@ -362,8 +362,8 @@
362 362  
363 363  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.
364 364  
365 -1.
366 -11.
386 +1.
387 +11.
367 367  111. EU863-870 (EU868)
368 368  
369 369  Uplink:
... ... @@ -394,8 +394,8 @@
394 394  869.525 - SF9BW125 (RX2 downlink only)
395 395  
396 396  
397 -1.
398 -11.
418 +1.
419 +11.
399 399  111. US902-928(US915)
400 400  
401 401  Used in USA, Canada and South America. Default use CHE=2
... ... @@ -440,8 +440,8 @@
440 440  923.3 - SF12BW500(RX2 downlink only)
441 441  
442 442  
443 -1.
444 -11.
464 +1.
465 +11.
445 445  111. CN470-510 (CN470)
446 446  
447 447  Used in China, Default use CHE=1
... ... @@ -486,8 +486,8 @@
486 486  505.3 - SF12BW125 (RX2 downlink only)
487 487  
488 488  
489 -1.
490 -11.
510 +1.
511 +11.
491 491  111. AU915-928(AU915)
492 492  
493 493  Default use CHE=2
... ... @@ -531,8 +531,8 @@
531 531  
532 532  923.3 - SF12BW500(RX2 downlink only)
533 533  
534 -1.
535 -11.
555 +1.
556 +11.
536 536  111. AS920-923 & AS923-925 (AS923)
537 537  
538 538  **Default Uplink channel:**
... ... @@ -584,8 +584,8 @@
584 584  923.2 - SF10BW125 (RX2)
585 585  
586 586  
587 -1.
588 -11.
608 +1.
609 +11.
589 589  111. KR920-923 (KR920)
590 590  
591 591  Default channel:
... ... @@ -621,8 +621,8 @@
621 621  921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
622 622  
623 623  
624 -1.
625 -11.
645 +1.
646 +11.
626 626  111. IN865-867 (IN865)
627 627  
628 628  Uplink:
... ... @@ -641,7 +641,7 @@
641 641  866.550 - SF10BW125 (RX2)
642 642  
643 643  
644 -1.
665 +1.
645 645  11. LED Indicator
646 646  
647 647  The LSE01 has an internal LED which is to show the status of different state.
... ... @@ -651,7 +651,7 @@
651 651  * Solid ON for 5 seconds once device successful Join the network.
652 652  * Blink once when device transmit a packet.
653 653  
654 -1.
675 +1.
655 655  11. Installation in Soil
656 656  
657 657  **Measurement the soil surface**
... ... @@ -678,7 +678,7 @@
678 678  
679 679  
680 680  
681 -1.
702 +1.
682 682  11. ​Firmware Change Log
683 683  
684 684  **Firmware download link:**
... ... @@ -697,7 +697,7 @@
697 697  
698 698  
699 699  
700 -1.
721 +1.
701 701  11. ​Battery Analysis
702 702  111. ​Battery Type
703 703  
... ... @@ -721,15 +721,15 @@
721 721  
722 722  
723 723  
724 -1.
725 -11.
745 +1.
746 +11.
726 726  111. ​Battery Note
727 727  
728 728  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.
729 729  
730 730  
731 -1.
732 -11.
752 +1.
753 +11.
733 733  111. ​Replace the battery
734 734  
735 735  If Battery is lower than 2.7v, user should replace the battery of LSE01.
... ... @@ -749,7 +749,6 @@
749 749  
750 750  == 3.1 Access AT Commands ==
751 751  
752 -
753 753  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.
754 754  
755 755  [[image:1654501986557-872.png]]
... ... @@ -758,124 +758,129 @@
758 758  Or if you have below board, use below connection:
759 759  
760 760  
761 -[[image:1654502005655-729.png]]
781 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
762 762  
763 763  
764 764  
765 -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:
766 766  
767 767  
768 - [[image:1654502050864-459.png]]
788 + [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
769 769  
770 770  
771 771  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/]]
772 772  
773 773  
774 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>? **(%%) : Help on <CMD>
794 +AT+<CMD>?        : Help on <CMD>
775 775  
776 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD> **(%%) : Run <CMD>
796 +AT+<CMD>         : Run <CMD>
777 777  
778 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=<value>**(%%) : Set the value
798 +AT+<CMD>=<value> : Set the value
779 779  
780 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=?**(%%)  : Get the value
800 +AT+<CMD>=?       : Get the value
781 781  
782 782  
783 -(% style="color:#037691" %)**General Commands**(%%)      
803 +**General Commands**      
784 784  
785 -(% style="background-color:#dcdcdc" %)**AT**(%%)  : Attention       
805 +AT                    : Attention       
786 786  
787 -(% style="background-color:#dcdcdc" %)**AT?**(%%)  : Short Help     
807 +AT?                            : Short Help     
788 788  
789 -(% style="background-color:#dcdcdc" %)**ATZ**(%%)  : MCU Reset    
809 +ATZ                            : MCU Reset    
790 790  
791 -(% style="background-color:#dcdcdc" %)**AT+TDC**(%%)  : Application Data Transmission Interval 
811 +AT+TDC           : Application Data Transmission Interval 
792 792  
793 793  
794 -(% style="color:#037691" %)**Keys, IDs and EUIs management**
814 +**Keys, IDs and EUIs management**
795 795  
796 -(% style="background-color:#dcdcdc" %)**AT+APPEUI**(%%)              : Application EUI      
816 +AT+APPEUI              : Application EUI      
797 797  
798 -(% style="background-color:#dcdcdc" %)**AT+APPKEY**(%%)              : Application Key     
818 +AT+APPKEY              : Application Key     
799 799  
800 -(% style="background-color:#dcdcdc" %)**AT+APPSKEY**(%%)            : Application Session Key
820 +AT+APPSKEY            : Application Session Key
801 801  
802 -(% style="background-color:#dcdcdc" %)**AT+DADDR**(%%)              : Device Address     
822 +AT+DADDR              : Device Address     
803 803  
804 -(% style="background-color:#dcdcdc" %)**AT+DEUI**(%%)                   : Device EUI     
824 +AT+DEUI                   : Device EUI     
805 805  
806 -(% 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) 
807 807  
808 -(% 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  
809 809  
810 -(% style="background-color:#dcdcdc" %)**AT+CFM**(%%)  : Confirm Mode       
830 +AT+CFM          : Confirm Mode       
811 811  
812 -(% style="background-color:#dcdcdc" %)**AT+CFS**(%%)                     : Confirm Status       
832 +AT+CFS                     : Confirm Status       
813 813  
814 -(% style="background-color:#dcdcdc" %)**AT+JOIN**(%%)  : Join LoRa? Network       
834 +AT+JOIN          : Join LoRa? Network       
815 815  
816 -(% style="background-color:#dcdcdc" %)**AT+NJM**(%%)  : LoRa? Network Join Mode    
836 +AT+NJM          : LoRa? Network Join Mode    
817 817  
818 -(% style="background-color:#dcdcdc" %)**AT+NJS**(%%)                     : LoRa? Network Join Status    
838 +AT+NJS                     : LoRa? Network Join Status    
819 819  
820 -(% style="background-color:#dcdcdc" %)**AT+RECV**(%%)                  : Print Last Received Data in Raw Format
840 +AT+RECV                  : Print Last Received Data in Raw Format
821 821  
822 -(% style="background-color:#dcdcdc" %)**AT+RECVB**(%%)                : Print Last Received Data in Binary Format      
842 +AT+RECVB                : Print Last Received Data in Binary Format      
823 823  
824 -(% style="background-color:#dcdcdc" %)**AT+SEND**(%%)                  : Send Text Data      
844 +AT+SEND                  : Send Text Data      
825 825  
826 -(% style="background-color:#dcdcdc" %)**AT+SENB**(%%)                  : Send Hexadecimal Data
846 +AT+SENB                  : Send Hexadecimal Data
827 827  
828 828  
829 -(% style="color:#037691" %)**LoRa Network Management**
849 +**LoRa Network Management**
830 830  
831 -(% style="background-color:#dcdcdc" %)**AT+ADR**(%%)          : Adaptive Rate
851 +AT+ADR          : Adaptive Rate
832 832  
833 -(% style="background-color:#dcdcdc" %)**AT+CLASS**(%%)  : LoRa Class(Currently only support class A
853 +AT+CLASS                : LoRa Class(Currently only support class A
834 834  
835 -(% style="background-color:#dcdcdc" %)**AT+DCS**(%%)  : Duty Cycle Setting 
855 +AT+DCS           : Duty Cycle Setting 
836 836  
837 -(% 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)     
838 838  
839 -(% style="background-color:#dcdcdc" %)**AT+FCD**(%%)  : Frame Counter Downlink       
859 +AT+FCD           : Frame Counter Downlink       
840 840  
841 -(% style="background-color:#dcdcdc" %)**AT+FCU**(%%)  : Frame Counter Uplink   
861 +AT+FCU           : Frame Counter Uplink   
842 842  
843 -(% style="background-color:#dcdcdc" %)**AT+JN1DL**(%%)  : Join Accept Delay1
863 +AT+JN1DL                : Join Accept Delay1
844 844  
845 -(% style="background-color:#dcdcdc" %)**AT+JN2DL**(%%)  : Join Accept Delay2
865 +AT+JN2DL                : Join Accept Delay2
846 846  
847 -(% style="background-color:#dcdcdc" %)**AT+PNM**(%%)  : Public Network Mode   
867 +AT+PNM                   : Public Network Mode   
848 848  
849 -(% style="background-color:#dcdcdc" %)**AT+RX1DL**(%%)  : Receive Delay1      
869 +AT+RX1DL                : Receive Delay1      
850 850  
851 -(% style="background-color:#dcdcdc" %)**AT+RX2DL**(%%)  : Receive Delay2      
871 +AT+RX2DL                : Receive Delay2      
852 852  
853 -(% style="background-color:#dcdcdc" %)**AT+RX2DR**(%%)  : Rx2 Window Data Rate 
873 +AT+RX2DR               : Rx2 Window Data Rate 
854 854  
855 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ**(%%)  : Rx2 Window Frequency
875 +AT+RX2FQ               : Rx2 Window Frequency
856 856  
857 -(% style="background-color:#dcdcdc" %)**AT+TXP**(%%)  : Transmit Power
877 +AT+TXP           : Transmit Power
858 858  
859 -(% style="background-color:#dcdcdc" %)**AT+ MOD**(%%)  : Set work mode
879 +AT+ MOD                 : Set work mode
860 860  
861 861  
862 -(% style="color:#037691" %)**Information** 
882 +**Information** 
863 863  
864 -(% style="background-color:#dcdcdc" %)**AT+RSSI**(%%)           : RSSI of the Last Received Packet   
884 +AT+RSSI           : RSSI of the Last Received Packet   
865 865  
866 -(% style="background-color:#dcdcdc" %)**AT+SNR**(%%)           : SNR of the Last Received Packet   
886 +AT+SNR           : SNR of the Last Received Packet   
867 867  
868 -(% style="background-color:#dcdcdc" %)**AT+VER**(%%)           : Image Version and Frequency Band       
888 +AT+VER           : Image Version and Frequency Band       
869 869  
870 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)           : Factory Data Reset
890 +AT+FDR           : Factory Data Reset
871 871  
872 -(% style="background-color:#dcdcdc" %)**AT+PORT**(%%)  : Application Port    
892 +AT+PORT                  : Application Port    
873 873  
874 -(% 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
875 875  
876 - (% 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
877 877  
878 878  
899 +
900 +
901 +
902 +
903 +
879 879  = ​4. FAQ =
880 880  
881 881  == 4.1 ​How to change the LoRa Frequency Bands/Region? ==
... ... @@ -906,6 +906,7 @@
906 906  * 905.3 - SF7BW125 to SF10BW125
907 907  * 904.6 - SF8BW500
908 908  
934 +
909 909  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:
910 910  
911 911  (% class="box infomessage" %)
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