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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

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15	15	Unencrypt Network modified from LoRaWAN
16	16
17	17
	18	+
18	18	= 2. Analyze the LoRaWAN packet =
19	19
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
	44	+
	45	+
42	42	)))
43	43
44	44	[[image:image-20220527090122-4.png]]
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56	56	* ABP: Activation by personalization. There is no hand-shake with LoRaWAN server for activition. The end node will use fix Dev Addr / APP Session Key(AppSkey / Network Session Key(NwkSKey) to upload the packet. So the packet can be decode if someone know these fix keys
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58	58
59		-
60		-
61	61	= 4. Get and decode the packet =
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63	63
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67	67	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		-
72	72	= 5. Use an unencrypt firmware =
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74	74
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81	81	[[image:image-20220527090341-5.png]]
82	82
83	83	Unencrypt packet
84		-
85	85
86	86
	86	+Note: In the new firmware with 007 stack . There is a AT Command to Disable Encryption. See below:
	87	+
	88	+* AT+DECRYPT=1 The payload is uploaded without encryption
	89	+* AT+DECRYPT=0 Encrypt when uploading payload (default)
	90	+
	91	+
87	87	= 6. limitation =
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89	89
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92	92	* No security.
93	93	* No Downlink
94	94	* Only use for ABP
	100	+
	101	+