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1	1	(% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2		- Contents：
	2	+ **Contents：**
3	3
4	4	{{toc/}}
5	5
	6	+
	7	+
	8	+
6	6	= 1. Introduction =
7	7
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.
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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]]
11	11	* 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]]
12	12
	16	+
13	13	= 2. OTAA Join Behaviour =
14	14
15	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.
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21	21	* EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop
22	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
23	23
	28	+
24	24	= 3. Default Frequency Bands =
25	25
26	26
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37	37	)))
38	38
39	39
40		-
41	41	=== 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
42	42
43	43	* Default Uplink channel:
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65	65	** Uplink channels 1-8 (RX1)
66	66	** 923.2 - SF10BW125 (RX2)
67	67
	72	+
68	68	=== 3.1.3 AS923-2 ===
69	69
70	70	* Default Uplink channel:
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145	145	)))
146	146	* (((
147	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)
	153	+
	154	+
148	148	)))
149	149
150	150	== 3.3 CN470-510 (CN470) ==
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172	172	** 508.1 - SF7BW125 to SF12BW125
173	173	** 505.3 - SF12BW125 (RX2 downlink only)
174	174
	182	+
175	175	== 3.4 EU863-870 (EU868) ==
176	176
177	177	* Uplink:
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203	203	** Uplink channels 1-3 (RX1)
204	204	** 866.550 - SF10BW125 (RX2)
205	205
	214	+
206	206	== 3.6 KZ865 ==
207	207
208	208	* Uplink ~-~- 125Khz , DR0 - DR5
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216	216	** The RX1 receive window uses the same channel as the preceding uplink.
217	217	** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
218	218
	228	+
219	219	== 3.7 KR920-923 (KR920) ==
220	220
221	221	* Default channel:
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236	236	** Uplink channels 1-7(RX1)
237	237	** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
238	238
	249	+
239	239	== 3.8 MA869 ==
240	240
	252	+ Country: Morroco
	253	+
241	241	* Uplink:
242	242	** 869.1 - SF7BW125 to SF12BW125
243	243	** 869.3 - SF7BW125 to SF12BW125
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253	253	** Uplink channels 1-9 (RX1)
254	254	** 869.525 - SF12BW125 (RX2 downlink only)
255	255
	269	+
256	256	== 3.9 US902-928 (US915) ==
257	257
258	258	Used in USA, Canada and South America.
259	259
	274	+
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
262	262	Default use CHE=2, Subband 2
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282	282	** 927.5 - SF7BW500 to SF12BW500
283	283	** 923.3 - SF12BW500(RX2 downlink only)
284	284
	300	+
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
287	287	(((
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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)
	320	+
	321	+
304	304	)))
305	305
306	306	= 4. Frequency Bands for different server =