<
From version < 31.33 >
edited by Xiaoling
on 2022/06/07 10:31
To version < 31.38 >
edited by Xiaoling
on 2022/06/07 10:35
>
Change comment: There is no comment for this version

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59 59  * 4000mAh or 8500mAh Battery for long term use
60 60  
61 61  
62 -
63 63  == 1.3 Specification ==
64 64  
65 65  Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height.
... ... @@ -632,6 +632,8 @@
632 632  * Solid ON for 5 seconds once device successful Join the network.
633 633  * Blink once when device transmit a packet.
634 634  
634 +
635 +
635 635  == 2.9 Installation in Soil ==
636 636  
637 637  **Measurement the soil surface**
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879 879  
880 880  == 4.1 ​How to change the LoRa Frequency Bands/Region? ==
881 881  
883 +(((
882 882  You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
883 883  When downloading the images, choose the required image file for download. ​
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884 884  
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885 885  
892 +(((
886 886  How to set up LSE01 to work in 8 channel mode By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies.
894 +)))
887 887  
896 +(((
897 +
898 +)))
888 888  
900 +(((
889 889  You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA.
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890 890  
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906 +)))
891 891  
908 +(((
892 892  For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets.
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893 893  
894 894  [[image:image-20220606154726-3.png]]
895 895  
914 +
896 896  When you use the TTN network, the US915 frequency bands use are:
897 897  
898 898  * 903.9 - SF7BW125 to SF10BW125
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905 905  * 905.3 - SF7BW125 to SF10BW125
906 906  * 904.6 - SF8BW500
907 907  
927 +(((
908 908  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:
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909 909  
910 910  (% class="box infomessage" %)
911 911  (((
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917 917  **ATZ**
918 918  )))
919 919  
941 +(((
920 920  to set the end node to work in 8 channel mode. The device will work in Channel 8-15 & 64-71 for OTAA, and channel 8-15 for Uplink.
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921 921  
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922 922  
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923 923  The **AU915** band is similar. Below are the AU915 Uplink Channels.
951 +)))
924 924  
925 925  [[image:image-20220606154825-4.png]]
926 926  
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