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...	...	@@ -15,11 +15,13 @@
15	15	Unencrypt Network modified from LoRaWAN
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	18	+
18	18	= 2. Analyze the LoRaWAN packet =
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20	20
21	21	If the gateway is connected to LoRaWAN server via UDP packet fordward. We can set the server address to a UDP server to get the LoRaWAN packets.
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	24	+
23	23	[[image:image-20220527090005-2.png]]
24	24
25	25	UDP Server
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39	39
40	40	(((
41	41	Below is an example, from
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	45	+
42	42	)))
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44	44	[[image:image-20220527090122-4.png]]
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58	58
59		-
60	60	= 4. Get and decode the packet =
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63	63	According to above, it is possible to get the payload from sensor without LoRaWAN server:
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65	65	1. Setting the end node to ABP mode
66		-1. Add decode program and add the keys of the sensor. So to get the payload. There is an example for such application, see [[Communication with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]]
	69	+1. Add decode program and add the keys of the sensor. So to get the payload. There is an example for such application, see [[Communication with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]].
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69	69
70		-
71	71	= 5. Use an unencrypt firmware =
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80	80	[[image:image-20220527090341-5.png]]
81	81
82	82	Unencrypt packet
83		-
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	86	+
	87	+Note: In some device's firmware . There is a AT Command to Disable Encryption. See below:
	88	+
	89	+* AT+DECRYPT=1 The payload is uploaded without encryption
	90	+* AT+DECRYPT=0 Encrypt when uploading payload (default)
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	92	+
	93	+
85	85	= 6. limitation =
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87	87
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90	90	* No security.
91	91	* No Downlink
92	92	* Only use for ABP
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	103	+