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3	3
4	4	{{toc/}}
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6	6	= 1. Introduction =
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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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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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14	14	= 2. OTAA Join Behaviour =
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16	16	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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23	23	* 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
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	30	+
26	26	= 3. Default Frequency Bands =
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66	66	** Uplink channels 1-8 (RX1)
67	67	** 923.2 - SF10BW125 (RX2)
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69	69	=== 3.1.3 AS923-2 ===
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71	71	* Default Uplink channel:
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179	179	** 505.3 - SF12BW125 (RX2 downlink only)
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	188	+
182	182	== 3.4 EU863-870 (EU868) ==
183	183
184	184	* Uplink:
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211	211	** 866.550 - SF10BW125 (RX2)
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	221	+
214	214	== 3.6 KZ865 ==
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216	216	* Uplink ~-~- 125Khz , DR0 - DR5
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225	225	** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
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228	228	== 3.7 KR920-923 (KR920) ==
229	229
230	230	* Default channel:
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246	246	** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
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	258	+
249	249	== 3.8 MA869 ==
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251	251	Country: Morroco
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265	265	** Uplink channels 1-9 (RX1)
266	266	** 869.525 - SF12BW125 (RX2 downlink only)
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268	268	== 3.9 US902-928 (US915) ==
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270	270	Used in USA, Canada and South America.
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296	296	** 923.3 - SF12BW500(RX2 downlink only)
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299	299	=== 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
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301	301	(((