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58	58	* IP66 Waterproof Enclosure
59	59	* 4000mAh or 8500mAh Battery for long term use
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61	61	== 1.3 Specification ==
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63	63	Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height.
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92		-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"]].
	93	+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="H3.200BUsingtheATCommands"]].
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630	630	* Solid ON for 5 seconds once device successful Join the network.
631	631	* Blink once when device transmit a packet.
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633	633	== 2.9 Installation in Soil ==
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635	635	**Measurement the soil surface**
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878	878	== 4.1 ​How to change the LoRa Frequency Bands/Region? ==
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880	880	You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
881	881	When downloading the images, choose the required image file for download. ​
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884	884	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.
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887	887	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	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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892	892	[[image:image-20220606154726-3.png]]
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894	894	When you use the TTN network, the US915 frequency bands use are:
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896	896	* 903.9 - SF7BW125 to SF10BW125
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903	903	* 905.3 - SF7BW125 to SF10BW125
904	904	* 904.6 - SF8BW500
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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:
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908	908	(% class="box infomessage" %)
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915	915	**ATZ**
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918	918	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	The **AU915** band is similar. Below are the AU915 Uplink Channels.
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923	923	[[image:image-20220606154825-4.png]]
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