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7	7	= 1.  OverView =
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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.
	52	+(% 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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58	58	(% style="color:#037691" %)**AT+ADR=0**
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60		-(% style="color:#037691" %)**AT+DR=0**
	62	+(% style="color:#037691" %)**AT+DR=0  **~/~/(%%) Use longest distance modulation
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62		-(% style="color:#037691" %)**AT+TXP=0**
	64	+(% style="color:#037691" %)**AT+TXP=0   **(%%)~/~/Use max power   For EU868, max power can be is AT+TXP=50
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65	65	This can be downlink via the LoRaWAN downlink command, see [[this link>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H8.2UseDownlinkCommandtosetafixuplinkDR]] for reference.
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83	83	Below are the settings for longest distance transmission. ( will reduce battery life)
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85	85	* (% style="color:#037691" %)**AT+ADR=0**     (%%)~/~/  Disable ADR
86		-* (% style="color:#037691" %)**AT+DR=  0**     (%%)~/~/  Use the smallest DR
87		-* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power.
	88	+* (% style="color:#037691" %)**AT+DR=  0**     (%%)~/~/  Use the smallest DR,the longest distance modulation
	89	+* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power   For EU868, max power can be is AT+TXP=50
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90	90	= 3.  Analyze at the hardware side =
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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]]