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...	...	@@ -653,13 +653,11 @@
653	653	1*. **AT+TDC=7200**  ~/~/ Uplink every 2 hours.
654	654	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.
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656		-
657	657	== 4.2 Why the uplink JSON format is not standard? ==
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	658	+
659	659	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.
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661		-The firmware version released after 2024, Mar will use change back to use Json format. Detail please check changelog.
662		-
663	663	[[image:image-20240229233154-1.png]]
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742	742	[[image:image-20240226111928-1.png]]
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