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10	10	In the TCP IP Client mode, LoRa Gateway can accept LoRa or LoRaWAN packets and send it to the TCP/IP server.
11	11
12	12
13		-
14	14	= 2. LoRaWAN Mode TCP Connection =
15	15
16	16	== 2.1 Support Hardware ==
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28	28	[[Intrudctions>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308||anchor="H4.Example2:CommunicatetoTCPServer"]]
29	29
30	30
31		-
32	32	= 3. Raw LoRa Mode TCP Connection =
33	33
34	34	== 3.1 Support Hardware ==
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39	39
40	40	== 3.2 Typology ==
41	41
42		-
43	43	The working topology is as below. In this mode, The Uplink LoRa packets should use a customized format.
44	44
45	45	[[image:image-20220527144300-2.png]]
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47	47	TCP/IP Forward working topology
48	48
49	49
50		-
51	51	== 3.3 Instruction Before Firmware lgw~-~-build-v5.4.1606631585-20201129-1434 ==
52	52
53	53	=== 3.3.1 Select TCP-IP Client mode ===
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57	57	Select TCP-IP Client mode
58	58
59	59
60		-
61	61	=== 3.3.2 Configure the Radio channel ===
62	62
63	63	[[image:image-20220527144755-4.png]]
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65	65	Configure the Radio channel with the match radio settings frequency as the LoRa End Node
66	66
67	67
68		-
69	69	=== 3.3.3 Configure TCP Server Info ===
70	70
	65	+Note: Gateway may receive many LoRa packets, it will only transfer the packet with the same ID as specify in the channel.
71	71
72		-(% style="color:red" %)Note: Gateway may receive many LoRa packets, it will only transfer the packet with the same ID as specify in the channel.
73		-
74	74	[[image:image-20220527144837-5.png]]
75	75
76	76	Configure TCP Server Info
77	77
78	78
79		-
80	80	=== 3.3.4 About uplink data format from End Node ===
81	81
82		-
83	83	The LoRa end node should upload the data with below format:
84	84
85	85	(% class="box" %)
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88	88	For example, if we have configured 2 channels 12345 and 34567.
89	89	And there is are three LoRa End nodes sending: 12345,34567,78
90	90	The LG02 will accept the data from 12345 and 34567, it will ignore the data from Node 78
91		-(% style="color:blue" %)**Case 1**:(%%)
	82	+**Case 1**:
92	92	Node 12345 send <12345>field1=0.0&field2=1102.0
93	93	Node 34567 doesn’t send anyting
94	94	The TCP/IP server will get {"12345":"field1=0.0&field2=1102.0"}
95		-(% style="color:blue" %)**Case 2**:(%%)
	86	+**Case 2**:
96	96	Node 12345 send <12345>field1=0.0&field2=1102.0
97	97	Node 34567 send <34567>temp=34
98	98	The TCP/IP server will get {"34567":"temp=34","12345":"field1=0.0&field2=1102.0"}