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Last modified by Kilight Cao on 2025/06/12 14:27
From version 15.1
edited by Edwin Chen
on 2022/10/05 23:51
Change comment: There is no comment for this version
To version 19.2
edited by Kilight Cao
on 2025/06/12 13:43
Change comment: There is no comment for this version

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7 7  
8 -= 1. Introduction =
8 += **1. Introduction** =
9 9  
10 10  
11 11  This chapter describes how to set Transmit Time Interval.
12 12  
13 13  
14 -= 2. Downlink Payload =
14 += **2. Downlink Payload** =
15 15  
16 16  
17 17  TDC can be controlled by Downlink Payload.
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27 27  
28 28  **Payload: **01 00 00 1E TDC=30s Payload: 01 00 00 3C TDC=60s
29 29  
30 -[[image:image-20220527085157-3.png]]
31 31  
31 +== **2.1 Example Downlink payload setting in TTN:** ==
32 32  
33 -= 3. Downlink Method =
33 +[[image:image-20221110143023-2.png||height="632" width="808"]]
34 34  
35 35  
36 +== **2.2 Example Downlink payload use the Bluetooth:** ==
37 +
38 +
39 +**Note: This feature is only available on devices that support Bluetooth sensors.**
40 +
41 +
42 +Here list the models that support BLE and the method to activate BLE function.
43 +
44 +Models: All models with -LB, -LS , -NB, -NS, -CB, -CS suffix
45 +
46 +BLE Activate Method:
47 +
48 +Device is battery power type and BLE will be only activate on below case:
49 +
50 +* Press button to send an uplink
51 +
52 +* Press button to active device.
53 +
54 +* Device Power on or reset.
55 +
56 +If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
57 +
58 +
59 +
60 += **3. Downlink Method** =
61 +
62 +
36 36  See use  note for different serves [[Servers Note>>doc:Main.WebHome]](IoT LoRaWAN Server)
37 37  
38 38  
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