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1	1	(% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2		- **Contents：**
	2	+
3	3
4	4	{{toc/}}
5	5
6		-
7		-
8		-
9	9	= 1. Introduction =
10	10
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.
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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	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.
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26	26	* EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop
27	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
28	28
29		-
30		-
31	31	= 3. Default Frequency Bands =
32	32
33	33
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44	44	)))
45	45
46	46
	40	+
47	47	=== 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
48	48
49	49	* Default Uplink channel:
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71	71	** Uplink channels 1-8 (RX1)
72	72	** 923.2 - SF10BW125 (RX2)
73	73
74		-
75		-
76	76	=== 3.1.3 AS923-2 ===
77	77
78	78	* Default Uplink channel:
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85	85	** Uplink channels 1-8 (RX1)
86	86	** 921.4 - SF10BW125 (RX2)
87	87
88		-
89		-
90	90	=== 3.1.4 AS923-3 ===
91	91
92	92	* Default Uplink channel:
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99	99	** Uplink channels 1-8 (RX1)
100	100	** 916.6 - SF10BW125 (RX2)
101	101
102		-
103		-
104	104	=== 3.1.5 AS923-4 ===
105	105
106	106	* Countries : Israel
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157	157	)))
158	158	* (((
159	159	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)
160		-
161		-
162	162	)))
163	163
164	164	== 3.3 CN470-510 (CN470) ==
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252	252
253	253	== 3.8 MA869 ==
254	254
255		- Country: Morroco
256		-
257	257	* Uplink:
258	258	** 869.1 - SF7BW125 to SF12BW125
259	259	** 869.3 - SF7BW125 to SF12BW125
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273	273
274	274	Used in USA, Canada and South America.
275	275
276		-
277	277	=== 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
278	278
279	279	Default use CHE=2, Subband 2
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318	318	)))
319	319	* (((
320	320	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)
321		-
322		-
323	323	)))
324	324
325	325	= 4. Frequency Bands for different server =