<
From version < 18.1 >
edited by Edwin Chen
on 2022/11/01 00:00
To version < 16.1 >
edited by Edwin Chen
on 2022/10/31 23:38
>
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44 44  |(% style="width:134px" %)**US915**|(% style="width:400px" %)20 or 22 dBm (depends on max output of module)|(% style="width:362px" %)SF=10|(% style="width:102px" %)125Khz
45 45  |(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
46 46  
47 +
47 47  == 2.2  Adaptive Data Rate (ADR) and set max distance ==
48 48  
49 49  
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89 89  * (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power.
90 90  
91 91  
93 +
92 92  = 3.  Analyze at the hardware side =
93 93  
94 94  == 3.1  Check if the antenna path is good ~-~- For LSn50v2 series end node ==
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125 125  * Radio communication are usually killed with bad topographic conditions. It is usually not possible to communicate through a hill, even very small.
126 126  
127 127  
130 +
128 128  == 4.2  Improve the Antenna ==
129 129  
130 130  
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168 168  [[image:image-20221031233759-3.png]]
169 169  
170 170  
171 -[[image:image-20221101000006-1.png||height="353" width="931"]]
172 172  
173 173  
174 174  
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image-20221101000006-1.png
Author
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1 -XWiki.Edwin
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1 -88.5 KB
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