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...	...	@@ -1816,36 +1816,12 @@
1816	1816	Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1817	1817
1818	1818
1819		-== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
	1819	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1820	1820
1821	1821
1822	1822	It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1823	1823
1824	1824
1825		-== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1826		-
1827		-This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1828		-
1829		-Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1830		-
1831		-[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
1832		-
1833		-Example:
1834		-
1835		-[[image:image-20240620145456-1.png]]
1836		-
1837		-Please refer to the following command to fix DR
1838		-
1839		-AT+ADR=0
1840		-
1841		-AT+DR=3
1842		-
1843		-Downlink command:
1844		-
1845		-[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
1846		-
1847		-
1848		-
1849	1849	= 8. Order Info =
1850	1850
1851	1851