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33	33
34	34	)))
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	36	+[[image:1654503236291-817.png]]
	37	+
	38	+
36	36	[[image:1657327959271-447.png]]
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38	38
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53	53	* Micro SIM card slot for NB-IoT SIM
54	54	* 8500mAh Battery for long term use
55	55
56		-
57		-
58	58	== 1.3  Specification ==
59	59
60	60
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86	86	* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]
87	87
88	88
89		-
90	90	== ​1.4  Applications ==
91	91
92	92	* Smart Buildings & Home Automation
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100	100	​
101	101
102	102
	103	+
103	103	== 1.5  Pin Definitions ==
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105	105
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232	232	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
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234	234
235		-* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
	236	+* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
236	236	* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
237		-* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
	238	+* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/If the server does not respond, this command is unnecessary
238	238
239	239	[[image:1657330501006-241.png]]
240	240
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304	304	|=(% style="width: 80px;" %)(((
305	305	**Size(bytes)**
306	306	)))|=(% style="width: 80px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 110px;" %)**1**|=(% style="width: 110px;" %)**2**|=(% style="width: 70px;" %)**1**
307		-|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
	308	+|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.8A0DigitalInterrupt"]]
308	308
309	309	(((
310	310	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.