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...	...	@@ -314,7 +314,6 @@
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316	316
317		-
318	318	= 6. Downlink Issue ~-~- Packet REJECTED, unsupported frequency =
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...	...	@@ -375,7 +375,6 @@
375	375
376	376	AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 11 (End Node App Session Key)
377	377
378		-
379	379	[[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]]
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381	381	[[image:image-20220526171029-20.png]]
...	...	@@ -387,15 +387,13 @@
387	387
388	388	= 8. Why i see uplink 0x00 periodcally on the LHT65 v1.8 firmware =
389	389
390		-
391	391	Since firmware v1.8, LHT65 will send MAC command to request time, in the case if DR only support max 11 bytes, this MAC command will be bundled to a separate uplink payload with 0x00.
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393	393
394	394	= 9. Why do I see a "MIC Mismatch" error message from the server? =
395	395
396		-
397	397	(((
398		-1)  If the user receives a "MIC Mismatch" message after registering the node on the server.
	394	+1)If the user receives a "MIC Mismatch" message after registering the node on the server.
399	399	)))
400	400
401	401	(((
...	...	@@ -417,14 +417,11 @@
417	417	* (((
418	418	If a node is registered with multiple servers, it may also cause the "mic mismatch" error.
419	419
420		-
421		-
422	422
423	423	)))
424	424
425	425	= 10. Why i got the payload only with "0x00" or "AA~=~="? =
426	426
427		-
428	428	* If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
429	429
430	430	(((
...	...	@@ -441,14 +441,11 @@
441	441	* (((
442	442	Some node decoders may not have filtering function, or you need decoders of other servers and formats. Please send an email to [[david.huang@dragino.cc>>mailto:david.huang@dragino.cc]]
443	443
444		-
445		-
446	446
447	447	)))
448	448
449	449	= 11. Why my Dev EUI and APP EUI is 0x000000000000, how to solve? =
450	450
451		-
452	452	(((
453	453	It is possible the keys is erased during upgrading of firmware. and the console output shows below after AT+CFG
454	454	)))
...	...	@@ -479,8 +479,6 @@
479	479
480	480	(((
481	481	You can rewrites the keys by running commands in AT Console
482		-
483		-
484	484	)))
485	485
486	486	(((