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248	248
249	249	=== 2.2.6 Use MQTT protocol to uplink data ===
250	250
	251	+This feature is supported since firmware version v110
251	251
	253	+
252	252	* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
253	253	* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
254	254	* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
255	255	* (% style="color:blue" %)**AT+UNAME=UNAME                               **(%%)~/~/Set the username of MQTT
256	256	* (% style="color:blue" %)**AT+PWD=PWD                                        **(%%)~/~/Set the password of MQTT
257		-* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
258		-* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
	259	+* (% style="color:blue" %)**AT+PUBTOPIC=NSE01_PUB                    **(%%)~/~/Set the sending topic of MQTT
	260	+* (% style="color:blue" %)**AT+SUBTOPIC=NSE01_SUB          **(%%) ~/~/Set the subscription topic of MQTT
259	259
260	260	[[image:1657249978444-674.png]]
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262	262
263		-[[image:1657330723006-866.png]]
	265	+[[image:1657249990869-686.png]]
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265	265
266	266	(((
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271	271
272	272	=== 2.2.7 Use TCP protocol to uplink data ===
273	273
	276	+This feature is supported since firmware version v110
274	274
	278	+
275	275	* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
276	276	* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
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	282	+[[image:1657250217799-140.png]]
278	278
279		-[[image:image-20220709093918-1.png]]
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	285	+[[image:1657250255956-604.png]]
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282		-[[image:image-20220709093918-2.png]]
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284	284
285		-
286		-
287		-
288		-
289	289	=== 2.2.8 Change Update Interval ===
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291	291	User can use below command to change the (% style="color:green" %)**uplink interval**.

1657331036973-987.png

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1		-XWiki.Xiaoling

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