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...	...	@@ -1,9 +1,5 @@
1	1	**~ Contents:**
2	2
3		-(((
4		-
5		-)))
6		-
7	7	{{toc/}}
8	8
9	9
...	...	@@ -266,7 +266,22 @@
266	266	)))
267	267	)))
268	268
	265	+(% class="box infomessage" %)
269	269	(((
	267	+AT+RX2DR=3 ~-~--> The RX2 DataRate
	268	+)))
	269	+
	270	+(% class="box infomessage" %)
	271	+(((
	272	+ AT+RX1DL=1000 ~-~--> Receive Delay 1
	273	+)))
	274	+
	275	+(% class="box infomessage" %)
	276	+(((
	277	+ AT+RX2DL=2000 ~-~--> Receive Delay 2
	278	+)))
	279	+
	280	+(((
270	270	**when the device running, we can see below info:**
271	271	)))
272	272
...	...	@@ -273,10 +273,10 @@
273	273	{{{ [12502]***** UpLinkCounter= 0 *****
274	274	[12503]TX on freq 868500000 Hz at DR 0
275	275	[13992]txDone
276		- [15022]RX on freq 868500000 Hz at DR 0 --> RX1 window open at frequency: 868500000, DR0, after 15022-13992= 1030ms of txdone
277		- [15222]rxTimeOut --> no packet arrive in RX1 window. (duration: 200ms)
278		- [15987]RX on freq 869525000 Hz at DR 3 --> RX2 window open at frequency: 869525000, DR3, after 15987-13992= 1995ms of txdone
279		- [16027]rxTimeOut --> no packet arrive in RX2 window. (duration: 40 ms)}}}
	287	+ [15022]RX on freq 868500000 Hz at DR 0 --> RX1 window open at frequency: 868500000, DR0, after 15022-13992= 1030ms of txdone
	288	+ [15222]rxTimeOut --> no packet arrive in RX1 window. (duration: 200ms)
	289	+ [15987]RX on freq 869525000 Hz at DR 3 --> RX2 window open at frequency: 869525000, DR3, after 15987-13992= 1995ms of txdone
	290	+ [16027]rxTimeOut --> no packet arrive in RX2 window. (duration: 40 ms)}}}
280	280
281	281	(((
282	282
...	...	@@ -292,7 +292,7 @@
292	292	[15022]RX on freq 868100000 Hz at DR 0
293	293	[15222]rxTimeOut
294	294	[15987]RX on freq 869525000 Hz at DR 3
295		- [16185]rxDone --> We have got the downstream packet.
	306	+ [16185]rxDone --> We have got the downstream packet.
296	296	Rssi= -64
297	297	Receive data
298	298	1:0012345678}}}
...	...	@@ -372,13 +372,13 @@
372	372
373	373	AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 11 (End Node App Session Key)
374	374
	386	+(((
375	375	[[https:~~/~~/lorawan-packet-decoder-0ta6puiniaut.runkit.sh/?data=40c1190126800100024926272bf18bbb6341584e27e23245&nwkskey=00000000000000000000000000000111&appskey=00000000000000000000000000000111>>url:https://lorawan-packet-decoder-0ta6puiniaut.runkit.sh/?data=40c1190126800100024926272bf18bbb6341584e27e23245&nwkskey=00000000000000000000000000000111&appskey=00000000000000000000000000000111]]
	388	+)))
376	376
377	377	[[image:https://wiki.dragino.com/images/7/77/Decrypt_a_LoRaWAN_Packet4.png||alt="Decrypt a LoRaWAN Packet4.png" height="390" width="558"]]
378	378
379		-(((
380		- The FRMPayload is the device payload.
381		-)))
	392	+The FRMPayload is the device payload.
382	382
383	383
384	384	= 8. Why i see uplink 0x00 periodcally on the LHT65 v1.8 firmware =
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413	413
414	414	= 10. Why i got the payload only with "0x00" or "AA~=~="? =
415	415
416		-* If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
	427	+* (((
	428	+If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
	429	+)))
417	417
418	418	(((
419	419	When using the frequency mentioned above, the server sometimes adjusts the rate of the node, because the node defaults to the adaptive rate.
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420	420	)))
421	421
422	422	(((
423		-When the server adjusts your node rate to 0, the maximum payload length is 11 bytes. The server sometimes sends an ADR packet to the node,and the node will reply to the server after receiving the ADR packet, but the number of payload bytes exceeds the limit,so it will send a normal uplink packet, and an additional 00 data packet.
	436	+When the server adjusts your node rate to 0, the maximum payload length is 11 bytes. The server sometimes sends an ADR packet to the node,
424	424	)))
425	425
	439	+(((
	440	+and the node will reply to the server after receiving the ADR packet, but the number of payload bytes exceeds the limit,
	441	+)))
	442	+
	443	+(((
	444	+so it will send a normal uplink packet, and an additional 00 data packet.
	445	+)))
	446	+
426	426	* (((
427	427	Solution: Use the decoder to filter out this 00 packet.
428	428	)))