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218	218	This feature is supported since firmware version v110
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220		-* **(% style="color:blue" %)AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
221		-* **(% style="color:blue" %)AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
222		-* **(% style="color:blue" %)AT+CLIENT=CLIENT       ** (%%) ~/~/Set up the CLIENT of MQTT
223		-* **(% style="color:blue" %)AT+UNAME=UNAME                               ** (%%)~/~/Set the username of MQTT
224		-* **(% style="color:blue" %)AT+PWD=PWD                                        ** (%%)~/~/Set the password of MQTT
225		-* **(% style="color:blue" %)AT+PUBTOPIC=NSE01_PUB                    **(%%) ~/~/Set the sending topic of MQTT
226		-* **(% style="color:blue" %)AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/Set the subscription topic of MQTT
	220	+* **AT+PRO=3   ** ~/~/Set to use MQTT protocol to uplink
	221	+* **AT+SERVADDR=120.24.4.116,1883   ** ~/~/Set MQTT server address and port
	222	+* **AT+CLIENT=CLIENT       ** ~/~/Set up the CLIENT of MQTT
	223	+* **AT+UNAME=UNAME                               **~/~/Set the username of MQTT
	224	+* **AT+PWD=PWD                                        **~/~/Set the password of MQTT
	225	+* **AT+PUBTOPIC=NSE01_PUB                    **~/~/Set the sending topic of MQTT
	226	+* **AT+SUBTOPIC=NSE01_SUB          ** ~/~/Set the subscription topic of MQTT
227	227
228		-
	228	+(% style="text-align:center" %)
229	229	[[image:image-20220907153739-11.png||height="491" width="764"]]
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231		-
	231	+(% style="text-align:center" %)
232	232	[[image:image-20220907153751-12.png||height="555" width="769"]]
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234	234	MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
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236		-
237		-
238		-
239	239	=== 2.2.7 Use TCP protocol to uplink data ===
240	240
241	241	This feature is supported since firmware version v110
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243		-* **(% style="color:blue" %)AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
244		-* **(% style="color:blue" %)AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/ to set TCP server address and port
	240	+* **AT+PRO=4   ** ~/~/ Set to use TCP protocol to uplink
	241	+* **AT+SERVADDR=120.24.4.116,5600   ** ~/~/ to set TCP server address and port
245	245
246		-
	243	+(% style="text-align:center" %)
247	247	[[image:image-20220907153818-13.png||height="486" width="668"]]
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249		-
	246	+(% style="text-align:center" %)
250	250	[[image:image-20220907153827-14.png||height="236" width="684"]]
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252		-
253		-
254		-
255	255	=== 2.2.8 Change Update Interval ===
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257	257	Users can use the below command to change the **uplink interval**.
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259		-* **(% style="color:blue" %)AT+TDC=7200      ** (%%) ~/~/ Set Update Interval to 7200s (2 hour)
	253	+* **AT+TDC=7200      ** ~/~/ Set Update Interval to 7200s (2 hour)
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261		-**(% style="color:red" %)NOTE: By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
	255	+**NOTE: By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
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263	263
264	264	== 2.3  Uplink Payload ==
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298	298
299	299	By default, the Device ID equal to the last 15 bits of IMEI.
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301		-User can use **(% style="color:blue" %)AT+DEUI** (%%)to set Device ID
	295	+User can use **AT+DEUI** to set Device ID
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303	303	**Example:**
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