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...	...	@@ -422,20 +422,28 @@
422	422	downlink
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424	424	(((
	425	+(((
425	425	If you want to get a successful reply to send downlink in TTN v3. You need to set the response level.
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	428	+)))
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	431	+(((
429	429	If the equipment uses CLASS A. You can set AT+RPL=2 or send the downlink command: 2102
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	434	+)))
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432	432	(((
	437	+(((
433	433	If the equipment uses CLASS C. You can set AT+RPL=4 or send the downlink command: 2104
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	440	+)))
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436	436	(((
	443	+(((
437	437	When the device successfully receives the downlink, the server will receive a confirmation packet of 00.
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	446	+)))
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440	440	[[image:https://wiki.dragino.com/images/thumb/d/d9/Downlink_54.png/600px-Downlink_54.png||height="127" width="600"]]
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