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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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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	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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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	29
30		-
31	31	= 3. Default Frequency Bands =
32	32
33	33
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72	72	** 923.2 - SF10BW125 (RX2)
73	73
74	74
75		-
76	76	=== 3.1.3 AS923-2 ===
77	77
78	78	* Default Uplink channel:
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221	221	** Uplink channels 1-3 (RX1)
222	222	** 866.550 - SF10BW125 (RX2)
223	223
	218	+
	219	+
224	224	== 3.6 KZ865 ==
225	225
226	226	* Uplink ~-~- 125Khz , DR0 - DR5
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234	234	** The RX1 receive window uses the same channel as the preceding uplink.
235	235	** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
236	236
	233	+
	234	+
237	237	== 3.7 KR920-923 (KR920) ==
238	238
239	239	* Default channel:
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254	254	** Uplink channels 1-7(RX1)
255	255	** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
256	256
	255	+
	256	+
257	257	== 3.8 MA869 ==
258	258
259	259	Country: Morroco
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273	273	** Uplink channels 1-9 (RX1)
274	274	** 869.525 - SF12BW125 (RX2 downlink only)
275	275
	276	+
276	276	== 3.9 US902-928 (US915) ==
277	277
278	278	Used in USA, Canada and South America.
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303	303	** 927.5 - SF7BW500 to SF12BW500
304	304	** 923.3 - SF12BW500(RX2 downlink only)
305	305
	307	+
	308	+
306	306	=== 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
307	307
308	308	(((