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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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7	7	= 1.  OverView =
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44	44	|(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
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	49	+
47	47	== 2.2  Adaptive Data Rate (ADR) and set max distance ==
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50		-**ADR** is the feature that Server will ask End Node to adjust the TXP and DR according to some rules in the server. This is for the purpose of Network Management and Optimize End Node battery life-time.
	53	+(% style="color:#037691" %)**ADR**(%%) is the feature that Server will ask End Node to adjust the TXP and DR according to some rules in the server. This is for the purpose of Network Management and Optimize End Node battery life-time.
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53	53	By default, ADR is turn on((% style="color:#037691" %)**AT+ADR=1**) (%%)so End node ADR feature is enable.
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85	85	* (% style="color:#037691" %)**AT+ADR=0**     (%%)~/~/  Disable ADR
86	86	* (% style="color:#037691" %)**AT+DR=  0**     (%%)~/~/  Use the smallest DR
87		-* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power.
	90	+* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power
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90	90	= 3.  Analyze at the hardware side =
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92	92	== 3.1  Check if the antenna path is good ~-~- For LSn50v2 series end node ==
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122	122	* 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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125	125	== 4.2  Improve the Antenna ==
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170	170	= 6. Use a repeater =
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172	172	In some cases, user can consider use a repeater for limitation transmition.
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174	174	See here for how to set up: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/LoRaWAN%20IoT%20Kit%20v3%20User%20Manual/#H7.Example6:LimitedLoRaWANrelay >>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/LoRaWAN%20IoT%20Kit%20v3%20User%20Manual/#H7.Example6:LimitedLoRaWANrelay]]