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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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15	15	* Frequency Bands vs Country List : Page 11 of [[LoRaWAN Regional Parameters RP2-1.0.3>>url:https://resources.lora-alliance.org/technical-specifications/rp2-1-0-3-lorawan-regional-parameters]]
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18	18	= 2. OTAA Join Behaviour =
19	19
20	20
21		-Since 005 LoRaWAN stack: to save battery, once boot, device will first make 200 tries for OTAA Join, the time period of two Join Requests will depends on the DR and the airtime requirement. After this 200 Join finish, device will send a join request every 20 minutes. If device reboot, it will do above loop again.
	23	+For 005 LoRaWAN stack: to save battery, once boot, device will make first make 200 tries for OTAA Join, the time period of two Join Requests will depends on the DR and the airtime requirement. After this 200 Join finish, device will send a join request every 20 minutes. If device reboot, it will do above loop again.
22	22
23	23	(((
24		-Since 005 LoRaWAN Stack:
	26	+For 005 LoRaWAN Stack:
25	25	)))
26	26
27	27	* EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop
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28	28	* US915 and AU915 OTAA Join procedure,. End node by default will use all 72 channels to join and it will be set to use the proper sub-band after Join success
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	34	+
31	31	= 3. Default Frequency Bands =
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	37	+
33	33	== 3.1 AS923 ==
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	40	+
35	35	=== 3.1.1 Notice for AS923 Frequency Bands ===
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44	44	)))
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	53	+
47	47	=== 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
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74	74	** 923.2 - SF10BW125 (RX2)
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77	77	=== 3.1.3 AS923-2 ===
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88	88	** 921.4 - SF10BW125 (RX2)
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	101	+
91	91	=== 3.1.4 AS923-3 ===
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102	102	** 916.6 - SF10BW125 (RX2)
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	117	+
105	105	=== 3.1.5 AS923-4 ===
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116	116	** 917.3 - SF10BW125 (RX2)
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119	119	== 3.2 AU915-928(AU915) ==
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142	142	** 927.5 - SF7BW500 to SF12BW500
143	143	** 923.3 - SF12BW500(RX2 downlink only)
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	160	+
145	145	(((
146	146	There is a issue if the end node is fixed at sub-band2. The sensor won't be able to register to other sub-band and can only works for the LoRaWAN server use sub-band2 , such as TTN. To solve this, user need to use a USB-TTL adapter to connect to the end node to manually set the sub-band which is very inconvinient.
147	147	)))
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160	160	Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
161	161	)))
162	162	* (((
163		-Use the Join successful sub-band if the server doesn't include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
	179	+Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
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167	167	)))
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193	193	** 505.3 - SF12BW125 (RX2 downlink only)
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	214	+
196	196	== 3.4 EU863-870 (EU868) ==
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214	214	OTAA RX2DR is set to DR0, SF12BW125 since 2021,Mar for Dragino Devices.
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	236	+
217	217	== 3.5 IN865-867 (IN865) ==
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226	226	** Uplink channels 1-3 (RX1)
227	227	** 866.550 - SF10BW125 (RX2)
228	228
229		-Gateway has below eight channels in IN865 bands.
230	230
231		-* 865.0625 - SF7BW125 to SF12BW125
232		-* 865.4025 - SF7BW125 to SF12BW125
233		-* 865.6025 - SF7BW125 to SF12BW125
234		-* 865.9850 - SF7BW125 to SF12BW125
235		-* 866.1850 - SF7BW125 to SF12BW125
236		-* 866.3850 - SF7BW125 to SF12BW125
237		-* 866.5850 - SF7BW125 to SF12BW125
238		-* 866.7850 - SF7BW125 to SF12BW125
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240	240
241	241	== 3.6 KZ865 ==
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253	253	** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
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	268	+
256	256	== 3.7 KR920-923 (KR920) ==
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275	275	** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
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	292	+
278	278	== 3.8 MA869 ==
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296	296	** 869.525 - SF12BW125 (RX2 downlink only)
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299	299	== 3.9 US902-928 (US915) ==
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302	302	Used in USA, Canada and South America.
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305	305	=== 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
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329	329	** 923.3 - SF12BW500(RX2 downlink only)
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332	332	=== 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
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337	337	)))
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339	339	(((
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	361	+)))
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	363	+(((
340	340	So since **Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]**, we have improved this, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join, In this case, In this case, the end node can support LoRaWAN servers with different subbands. To make sure the end node will only transmit the proper sub-band after OTAA Joined successfully, the end node will:
341	341	)))
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347	347	Use the Join successful sub-band if the server doesn't include subband info in the OTAA Join Accept message ( TTN v2 doesn't include)
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351	351	)))
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356	356	* TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
357	357	* Loriot [[https:~~/~~/docs.loriot.io/display/LNS/Regional+Frequency+Plans>>url:https://docs.loriot.io/display/LNS/Regional+Frequency+Plans]]
358		-
359		-
360		-= 5. Subband Related questiones in US915, AU915, CN470 bands. =
361		-
362		-
363		-Frequency band US915, AU915 and CN470 supports totally 72 frequency in 8 sub-bands, Normally Gateway only support 8 channels ( one subband). So how does the gateway and end nodes work in such frequency?
364		-
365		-
366		-== 5.1 Set Subband in Gateway. ==
367		-
368		-
369		-* If Gateway choose (% style="color:blue" %)**Semtech UDP packet**(%%) forwarder to Connect to LoRaWAN server. User need to manually set the match Subband in the gateway web UI.
370		-
371		-* If Gateway choose (% style="color:blue" %)**Basic Station Mode**(%%) to connect to the LoRaWAN server. User can set the subband in the Server side and gateway will the correct subband from server. no need to set this in gateway. AWS-IoT, TTN, ChirpStack all supports Basic Station Connection.
372		-
373		-
374		-== 5.2 Set Subband in End Node ==
375		-
376		-
377		-* In early End Node firmware, it is pre-set to subband 2 , user need to manually set to proper subband if they don;t use subband 2.
378		-
379		-* In new end node firmware , it supports all sub-bands, and will swtich to the proper subband after OTAA join. So user can use the end node with all sub-band.
380		-
381		-Reference: [[How it affects the OTAA Join when end node is set to support all subbands>>http://wiki.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H13.WhyittakeslongertimeforOTAAjoinedinUS9152FCN4702FAU915band3F]]?
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