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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

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1	1	(% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2		- **Contents：**
	2	+ **Table of** **Contents：**
3	3
4	4	{{toc/}}
5	5
...	...	@@ -8,33 +8,32 @@
8	8
9	9	= 1. Introduction =
10	10
	11	+
11	11	This page list the default frequency band for Dragino End Devices. The frequency bands are base on TTN Frequency Bands. User can modify upgrade firmware to support different frequency band or use AT Command to change the sub band in some frequency bands.
12	12
13	13	* TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
14	14	* 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]]
15	15
16		-
17		-
18	18	= 2. OTAA Join Behaviour =
19	19
20		-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.
	19	+Since 005 LoRaWAN stack: One device boot or reset, it will
21	21
22		-(((
23		-For 005 LoRaWAN Stack:
24		-)))
	21	+* First make 200 Join Requestes for OTAA Join, the interval of two Join Requests will depends on the DR and the airtime requirement.
	22	+* After 200 Join Requestes, if end node still not join successful, to save battery life, it will keep sending join request at the default uplink interval ( 20 minutes) .
	23	+* If device reboot, it will do above loop again.
25	25
26		-* EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop
27		-* 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
	25	+Since 005 LoRaWAN Stack:
28	28
	27	+* **EU868 OTAA Join DR Logic**. SF7->SF8->SF9->SF10->SF11->SF12; Each SF will make 3 attempts and then loop
	28	+* **US915 and AU915 OTAA Join procedure**,. End node by default will use all 72 channels (All sub-bands) to join and it will be set to use the proper sub-band after Join success
29	29
30		-
31	31	= 3. Default Frequency Bands =
32	32
33		-
34	34	== 3.1 AS923 ==
35	35
36	36	=== 3.1.1 Notice for AS923 Frequency Bands ===
37	37
	36	+
38	38	(((
39	39	Since [[RP002-1.0.1LoRaWAN Regional Parameters>>url:https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf]], AS923 include three different default settings for different countries: AS923-1, AS923-2 and AS923-3.
40	40	)))
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46	46
47	47	=== 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
48	48
	48	+
	49	+* **Countries**: Malaysia,
49	49	* Default Uplink channel:
50	50	** 923.2 - SF7BW125 to SF10BW125
51	51	** 923.4 - SF7BW125 to SF10BW125
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73	73
74	74	=== 3.1.3 AS923-2 ===
75	75
	77	+
76	76	* Default Uplink channel:
77	77	** 921.4 - SF7BW125 to SF10BW125
78	78	** 921.6 - SF7BW125 to SF10BW125
...	...	@@ -85,6 +85,7 @@
85	85
86	86	=== 3.1.4 AS923-3 ===
87	87
	90	+
88	88	* Default Uplink channel:
89	89	** 916.6 - SF7BW125 to SF10BW125
90	90	** 916.8 - SF7BW125 to SF10BW125
...	...	@@ -97,6 +97,7 @@
97	97
98	98	=== 3.1.5 AS923-4 ===
99	99
	103	+
100	100	* Countries : Israel
101	101	* Default Uplink channel:
102	102	** 917.3 - SF7BW125 to SF10BW125
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109	109
110	110	== 3.2 AU915-928(AU915) ==
111	111
	116	+
112	112	**Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
113	113
114	114	* Uplink:
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150	150	Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
151	151	)))
152	152	* (((
153		-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)
	158	+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)
154	154
	160	+
155	155
156	156	)))
157	157
158	158	== 3.3 CN470-510 (CN470) ==
159	159
	166	+
160	160	Used in China, Default use CHE=1
161	161
162	162	* Uplink:
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182	182
183	183	== 3.4 EU863-870 (EU868) ==
184	184
	192	+
185	185	* Uplink:
186	186	** 868.1 - SF7BW125 to SF12BW125
187	187	** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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202	202
203	203	== 3.5 IN865-867 (IN865) ==
204	204
	213	+
205	205	* Uplink:
206	206	** 865.0625 - SF7BW125 to SF12BW125
207	207	** 865.4025 - SF7BW125 to SF12BW125
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211	211	** Uplink channels 1-3 (RX1)
212	212	** 866.550 - SF10BW125 (RX2)
213	213
	223	+Gateway has below eight channels in IN865 bands.
	224	+
	225	+* 865.0625 - SF7BW125 to SF12BW125
	226	+* 865.4025 - SF7BW125 to SF12BW125
	227	+* 865.6025 - SF7BW125 to SF12BW125
	228	+* 865.9850 - SF7BW125 to SF12BW125
	229	+* 866.1850 - SF7BW125 to SF12BW125
	230	+* 866.3850 - SF7BW125 to SF12BW125
	231	+* 866.5850 - SF7BW125 to SF12BW125
	232	+* 866.7850 - SF7BW125 to SF12BW125
	233	+
214	214	== 3.6 KZ865 ==
215	215
	236	+
216	216	* Uplink ~-~- 125Khz , DR0 - DR5
217	217	** 865.1
218	218	** 865.2
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226	226
227	227	== 3.7 KR920-923 (KR920) ==
228	228
	250	+
229	229	* Default channel:
230	230	** 922.1 - SF7BW125 to SF12BW125
231	231	** 922.3 - SF7BW125 to SF12BW125
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246	246
247	247	== 3.8 MA869 ==
248	248
	271	+
249	249	Country: Morroco
250	250
251	251	* Uplink:
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265	265
266	266	== 3.9 US902-928 (US915) ==
267	267
	291	+
268	268	Used in USA, Canada and South America.
269	269
270	270
271	271	=== 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
272	272
	297	+
273	273	Default use CHE=2, Subband 2
274	274
275	275	* Uplink:
...	...	@@ -295,18 +295,15 @@
295	295
296	296	=== 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
297	297
	323	+
298	298	(((
299	299	There is an 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 work for the LoRaWAN server use sub-band2 , such as TTN. To solve this, the user needs to use a USB-TTL adapter to connect to the end node to manually set the sub-band which is very inconvenient.
300	300	)))
301	301
302	302	(((
303		-
	329	+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, 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:
304	304	)))
305	305
306		-(((
307		-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:
308		-)))
309		-
310	310	* (((
311	311	Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband
312	312	)))
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313	313	* (((
314	314	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)
315	315
	338	+
316	316
317	317	)))
318	318
319	319	= 4. Frequency Bands for different server =
320	320
	344	+
321	321	* TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
322	322	* Loriot [[https:~~/~~/docs.loriot.io/display/LNS/Regional+Frequency+Plans>>url:https://docs.loriot.io/display/LNS/Regional+Frequency+Plans]]
	347	+
	348	+= 5. Subband Related questiones in US915, AU915, CN470 bands. =
	349	+
	350	+
	351	+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?
	352	+
	353	+
	354	+== 5.1 Set Subband in Gateway. ==
	355	+
	356	+
	357	+* 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.
	358	+
	359	+* 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.
	360	+
	361	+== 5.2 Set Subband in End Node ==
	362	+
	363	+
	364	+* 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.
	365	+
	366	+* 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.
	367	+
	368	+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]]?
	369	+
	370	+
	371	+
	372	+
	373	+
	374	+