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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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45	45	|(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
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	48	+
48	48	== 2.2  Adaptive Data Rate (ADR) and set max distance ==
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90	90	* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power.
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	95	+
93	93	= 3.  Analyze at the hardware side =
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95	95	== 3.1  Check if the antenna path is good ~-~- For LSn50v2 series end node ==
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97	97	a) Open Enclosure and Check if the antenna connection to module is good.
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99	99	b) check if the connector match.
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101	101	[[image:image-20221016081725-1.png||height="426" width="706"]]
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104	104	= 4.  Installation Guidelines =
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106	106	== 4.1  Check the use environment ==
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115	115	* No high level radio interferes in the ISM band you use.
116	116	* At least 1 meter above the ground.
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118		-
119	119	(% style="color:blue" %)**Radio performances are degraded with:**
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121	121	* Obstacles: buildings, trees...
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124	124	* Radio communication are usually killed with bad topographic conditions. It is usually not possible to communicate through a hill, even very small.
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	133	+
127	127	== 4.2  Improve the Antenna ==
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