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321	321	=== 2.3.3  Historical Door Open/Close Event, FPORT~=3 ===
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324		-DS03A-LB stores sensor values and users can retrieve these history values via the [[downlink command>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS03A%20-%20Outdoor%20LoRaWAN%20OpenClose%20Door%20Sensor%20Manual/#H2.4A0DatalogFeature]].
	324	+DS03A-LB stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.4A0DatalogFeature"]].
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326	326	The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time open/close status.
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328	328	* (((
329		-Each data entry is 11 bytes and has the same structure as [[Real-Time open/close status>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS03A%20-%20Outdoor%20LoRaWAN%20OpenClose%20Door%20Sensor%20Manual/#H2.3.3A0Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2]], to save airtime and battery, DS03A-LB will send max bytes according to the current DR and Frequency bands.
	329	+Each data entry is 11 bytes and has the same structure as [[Real-Time open/close status>>||anchor="H2.3.2A0Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2"]], to save airtime and battery, DS03A-LB will send max bytes according to the current DR and Frequency bands.
330	330	)))
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332	332	For example, in the US915 band, the max payload for different DR is: