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1		-**~ Contents:**
	1	+**~ Table of Contents:**
2	2
3	3	{{toc/}}
4	4
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182	182	Depends on Class A or Class C, the receive windows will be a little difference,
183	183	)))
184	184
185		-[[image:image-20220526164547-11.png]]
	185	+[[image:image-20220531161828-1.png]]
186	186
187	187	receive windows for Class A and Class C
188	188
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194	194	* This packet must match the frequency of the RX1 or RX2 window.
195	195	* This packet must match the DataRate of RX1(RX1DR) or RX2 (RX2DR). **This is the common fail point, because different lorawan server might use different RX2DR and they don't info End Node via ADR message so cause the mismatch. If this happen, user need to change the RX2DR to the right value in end node. In OTAA, LoRaWAN Server will send the RX2DR setting in Join Accept message so the end node will auto adjust. but ABP uplink doesn't support this auto change.**
196	196
197		-
198		-
199	199	== 5.2 See Debug Info ==
200	200
201	201	(((
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306	306	* Gateway traffic (from server UI) to shows the data exchange between gateway and server.
307	307	* End Node traffic (from server UI) to shows end node activity in server.
308	308
309		-
310		-
311	311	= 6. Downlink Issue ~-~- Packet REJECTED, unsupported frequency =
312	312
313	313	(((
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340	340	(% class="box infomessage" %)
341	341	(((
342	342	**Change to ABP Mode: AT+NJM=0**
343		-)))
344		-
345		-(% class="box infomessage" %)
346		-(((
347	347	**Change to fix frequency: AT+CHS=904900000**
348		-)))
349		-
350		-(% class="box infomessage" %)
351		-(((
352	352	**Change to fix DR: AT+DR=0**
353	353	)))
354	354
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437	437	* (((
438	438	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]]
439	439
440		-
441	441
442	442	)))
443	443
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497	497
498	498	(((
499	499	(Any combination of 16 bit codes can be used）
	487	+
	488	+
	489	+= 12. I set my device is LoRaWAN Class C mode, why i still see Class A after boot? =
500	500	)))
501	501
502	502
	493	+Class C only refers to status after OTAA Join successfully. The OTAA Join Process will use Class A mode.
	494	+
	495	+
	496	+
503	503	(% class="wikigeneratedid" %)
504	504

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	1	+XWiki.Xiaoling

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	1	+98.6 KB

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