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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
	6	+
	7	+
	8	+
6	6	= 1. Introduction =
7	7
	11	+
8	8	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.
9	9
10	10	* TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
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12	12
13	13	= 2. OTAA Join Behaviour =
14	14
15		-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
16	16
17		-(((
18		-For 005 LoRaWAN Stack:
19		-)))
	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.
20	20
21		-* EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop
22		-* 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:
23	23
	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	+
24	24	= 3. Default Frequency Bands =
25	25
26		-
27	27	== 3.1 AS923 ==
28	28
29	29	=== 3.1.1 Notice for AS923 Frequency Bands ===
30	30
	36	+
31	31	(((
32	32	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.
33	33	)))
...	...	@@ -37,9 +37,10 @@
37	37	)))
38	38
39	39
40		-
41	41	=== 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
42	42
	48	+
	49	+* **Countries**: Malaysia,
43	43	* Default Uplink channel:
44	44	** 923.2 - SF7BW125 to SF10BW125
45	45	** 923.4 - SF7BW125 to SF10BW125
...	...	@@ -67,6 +67,7 @@
67	67
68	68	=== 3.1.3 AS923-2 ===
69	69
	77	+
70	70	* Default Uplink channel:
71	71	** 921.4 - SF7BW125 to SF10BW125
72	72	** 921.6 - SF7BW125 to SF10BW125
...	...	@@ -79,6 +79,7 @@
79	79
80	80	=== 3.1.4 AS923-3 ===
81	81
	90	+
82	82	* Default Uplink channel:
83	83	** 916.6 - SF7BW125 to SF10BW125
84	84	** 916.8 - SF7BW125 to SF10BW125
...	...	@@ -91,6 +91,7 @@
91	91
92	92	=== 3.1.5 AS923-4 ===
93	93
	103	+
94	94	* Countries : Israel
95	95	* Default Uplink channel:
96	96	** 917.3 - SF7BW125 to SF10BW125
...	...	@@ -103,6 +103,7 @@
103	103
104	104	== 3.2 AU915-928(AU915) ==
105	105
	116	+
106	106	**Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
107	107
108	108	* Uplink:
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144	144	Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
145	145	)))
146	146	* (((
147		-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)
	159	+
	160	+
	161	+
148	148	)))
149	149
150	150	== 3.3 CN470-510 (CN470) ==
151	151
	166	+
152	152	Used in China, Default use CHE=1
153	153
154	154	* Uplink:
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174	174
175	175	== 3.4 EU863-870 (EU868) ==
176	176
	192	+
177	177	* Uplink:
178	178	** 868.1 - SF7BW125 to SF12BW125
179	179	** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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194	194
195	195	== 3.5 IN865-867 (IN865) ==
196	196
	213	+
197	197	* Uplink:
198	198	** 865.0625 - SF7BW125 to SF12BW125
199	199	** 865.4025 - SF7BW125 to SF12BW125
...	...	@@ -203,8 +203,20 @@
203	203	** Uplink channels 1-3 (RX1)
204	204	** 866.550 - SF10BW125 (RX2)
205	205
	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	+
206	206	== 3.6 KZ865 ==
207	207
	236	+
208	208	* Uplink ~-~- 125Khz , DR0 - DR5
209	209	** 865.1
210	210	** 865.2
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218	218
219	219	== 3.7 KR920-923 (KR920) ==
220	220
	250	+
221	221	* Default channel:
222	222	** 922.1 - SF7BW125 to SF12BW125
223	223	** 922.3 - SF7BW125 to SF12BW125
...	...	@@ -238,6 +238,9 @@
238	238
239	239	== 3.8 MA869 ==
240	240
	271	+
	272	+ Country: Morroco
	273	+
241	241	* Uplink:
242	242	** 869.1 - SF7BW125 to SF12BW125
243	243	** 869.3 - SF7BW125 to SF12BW125
...	...	@@ -255,10 +255,13 @@
255	255
256	256	== 3.9 US902-928 (US915) ==
257	257
	291	+
258	258	Used in USA, Canada and South America.
259	259
	294	+
260	260	=== 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
261	261
	297	+
262	262	Default use CHE=2, Subband 2
263	263
264	264	* Uplink:
...	...	@@ -284,26 +284,55 @@
284	284
285	285	=== 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
286	286
	323	+
287	287	(((
288	288	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.
289	289	)))
290	290
291	291	(((
292		-
	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:
293	293	)))
294	294
295		-(((
296		-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:
297		-)))
298		-
299	299	* (((
300	300	Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband
301	301	)))
302	302	* (((
303	303	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)
	337	+
	338	+
	339	+
304	304	)))
305	305
306	306	= 4. Frequency Bands for different server =
307	307
	344	+
308	308	* TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
309	309	* 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	+