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3	3
4	4	{{toc/}}
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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]]
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13	13	= 2. OTAA Join Behaviour =
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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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37	37	)))
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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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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)
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148	148	)))
149	149
150	150	== 3.3 CN470-510 (CN470) ==
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238	238
239	239	== 3.8 MA869 ==
240	240
	247	+ Country: Morroco
	248	+
241	241	* Uplink:
242	242	** 869.1 - SF7BW125 to SF12BW125
243	243	** 869.3 - SF7BW125 to SF12BW125
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257	257
258	258	Used in USA, Canada and South America.
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	268	+
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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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)
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304	304	)))
305	305
306	306	= 4. Frequency Bands for different server =