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908	908	When downloading the images, choose the required image file for download. ​
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911		-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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	912	+How to set up LSE01 to work in 8 channel mode
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	914	+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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914	914	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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917	917	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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919	919	[[image:image-20220606154726-3.png]]
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930	930	* 905.3 - SF7BW125 to SF10BW125
931	931	* 904.6 - SF8BW500
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933		-
934	934	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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936		-(% class="box infomessage" %)
937		-(((
938	938	**AT+CHE=2**
939		-)))
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941		-(% class="box infomessage" %)
942		-(((
943	943	**ATZ**
944		-)))
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946	946	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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