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...	...	@@ -643,6 +643,15 @@
643	643	1*. **AT+TDC=7200**  ~/~/ Uplink every 2 hours.
644	644	1*. this will mean each uplink will actually include the 6 uplink data (24 set data which cover 12 hours). So if device doesn;t lost 6 continue data. There will not data lost.
645	645
	646	+
	647	+== 4.2 Why the uplink JSON format is not standard? ==
	648	+
	649	+The json format in uplink packet is not standard Json format. Below is the example. This is to make the payload as short as possible, due to NB-IoT transmit limition, a standard Json is not able to include 32 sets of sensors data with timestamp.
	650	+
	651	+[[image:image-20240229233154-1.png]]
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	653	+
	654	+
646	646	= 5. Trouble Shooting: =
647	647
648	648	== 5.1 Checklist for debuging Network Connection issue. Signal Strenght:99 issue. ==