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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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113	113	** Uplink channels 1-8 (RX1)
114	114	** 917.3 - SF10BW125 (RX2)
115	115
116		-
117		-
118	118	== 3.2 AU915-928(AU915) ==
119	119
120	120	**Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
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159	159	)))
160	160	* (((
161	161	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)
162		-
163		-
164	164	)))
165	165
166	166	== 3.3 CN470-510 (CN470) ==
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254	254
255	255	== 3.8 MA869 ==
256	256
257		- Country: Morroco
258		-
259	259	* Uplink:
260	260	** 869.1 - SF7BW125 to SF12BW125
261	261	** 869.3 - SF7BW125 to SF12BW125
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275	275
276	276	Used in USA, Canada and South America.
277	277
278		-
279	279	=== 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
280	280
281	281	Default use CHE=2, Subband 2
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320	320	)))
321	321	* (((
322	322	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)
323		-
324		-
325	325	)))
326	326
327	327	= 4. Frequency Bands for different server =