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3	3	{{toc/}}
4	4
5	5
6		-
7	7	= 1. Introduction =
8	8
9	9	Dragino LoRaWAN End Node support two types of AT Commands and Downlink Commands:
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20	20
21	21	* For AT Command , See Devices User Manual for Device. The user manual can be found in each product page of [[Dragino Official Website>>url:http://www.dragino.com/]]
22	22	* For LoRaWAN Downlink: The gateway transfer downlink command in HEX format. This page shows the HEX format downlink code for each command. but some servers use base64 as downlink code. Below are reference for how to use downlink command:
23		-** Use HEX format to send a downlink: [[TTN v3>>doc:Main.Notes for TTN.WebHome]]
24		-** Use Base64 format to send a downlink: [[Chirpstack>>doc:Main.Notes for ChirpStack.WebHome]].
25		-** See use note for more serves [[Servers Note>>doc:Main.WebHome]](IoT LoRaWAN Server)
	22	+** Use HEX format to send a downlink: [[TTN v3>>url:https://wiki.dragino.com/index.php/Notes_for_TTN#Send_Downlink_message]]
	23	+** Use Base64 format to send a downlink: [[Chirpstack>>url:https://wiki.dragino.com/index.php/Notes_for_ChirpStack#Downlink]].
	24	+** See use note for more serves [[Servers Note>>url:https://wiki.dragino.com/index.php/Main_Page#Use_Note_for_Server]]
26	26
27		-
28		-
29	29	= 3. Support End Node and firmware version =
30	30
31	31	(% border="1" style="background-color:#ffffcc; color:green; width:966px" %)
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172	172
173	173	(((
174	174	If the downlink payload=**04FF**, the end node will reboot.
175		-
176		-
177	177	)))
178	178
179	179	== 4.3 Reset to factory Default ==
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402	402	)))
403	403	|(% style="width:191px" %)AT+NWKID=A8 40 41 FF|(% style="width:153px" %)Set the Network ID.|(% style="width:101px" %)OK
404	404
405		-
406	406	== 5.7 Network Session Key ==
407	407
408	408	Feature: Get or Set the Network Session Key
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419	419	)))
420	420	|(% style="width:455px" %)AT+NWKSKEY=A8 40 41 FF FF 12 34 56 00 01 02 04 05 06 06 07|(% style="width:215px" %)Set the Network Session Key.|(% style="width:343px" %)OK
421	421
422		-
423	423	= 6. Joining and sending date on LoRaWAN network =
424	424
425	425	== 6.1 Confirm Mode ==
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448	448	* Example 1: Downlink Payload: 0501 ~/~/ Set AT+CFM=1
449	449	* Example 2: Downlink Payload: 0500 ~/~/ Set AT+CFM=0
450	450
451		-
452	452	== 6.2 Confirm Status ==
453	453
454	454	Feature: Get confirmation status of the last AT+SEND (0-1).
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464	464	OK
465	465	)))
466	466
467		-
468	468	== 6.3 Join LoRa® Network ==
469	469
470	470	Feature: Join network.
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482	482	While Error in format, return AT_BUSY_ERROR
483	483	)))
484	484
485		-
486	486	== 6.4 LoRa® Network Join Mode ==
487	487
488	488	Feature: Get or Set the Network Join Mode. (0: ABP, 1: OTAA).
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511	511	* **Example 1: **Downlink Payload: **2000** ~/~/ Set AT+NJM=O
512	512	* **Example 2:** Downlink Payload: **2001** ~/~/ Set AT+NJM=1
513	513
514		-
515	515	== 6.5 LoRa® Network Join Status ==
516	516
517	517	Feature: LoRa® Network Join Status.
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801	801
802	802	)))
803	803
804		-== 7.11 Receive Delay2 ==
	793	+== 7.11Receive Delay2 ==
805	805
806	806	Feature: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
807	807
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1006	1006
1007	1007	(((
1008	1008	Increasing thisvalue is equal to extending the time that the receiving window is opened, butthe corresponding power consumption will also increase. Properly increasingthis value can increase the success rate of the downlink.
1009		-
1010		-
1011	1011	)))
1012	1012
1013	1013	== 7.21 Get or Set RXwindows2 timeout ==
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1101	1101	* **AT+ADR=0 **~-~-> Disable ADR first
1102	1102	* **AT+RX2DR=xxxx** ~-~-> Set xxxx to your wanted DataRate
1103	1103
	1091	+
1104	1104	== 8.2 Use Downlink Command to set a fix uplink DR ==
1105	1105
1106	1106	{{info}}
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1109	1109
1110	1110	Same as:
1111	1111
1112		-* AT+ADR=0  [[Reference>>||anchor="H7.1AdaptiveDataRate"]]
1113		-* AT+DR=5  [[Reference>>||anchor="H7.4DataRate"]]
1114		-* AT+TXP=0  [[Reference>>||anchor="H7.14TransmitPower"]]
	1100	+* AT+ADR=0 [[Reference>>||anchor="H7.1AdaptiveDataRate"]]
	1101	+* AT+DR=5 [[Reference>>||anchor="H7.4DataRate"]]
	1102	+* AT+TXP=0 [[Reference>>||anchor="H7.14TransmitPower"]]