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	7	+
	8	+
7	7	= 1.  OverView =
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9	9
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35	35
36	36	**End node actually value when TXP=0 and DR=0**
37	37
38		-(% border="1.5" cellspacing="4" style="background-color:#ffffcc; color:black; width:1002px" %)
39		-|(% style="width:134px" %)**Frequency band**|(% style="width:400px" %)**Output Power in LoRa Module (consider 2dB antenna)**|(% style="width:362px" %)(((
	40	+(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:1002px" %)
	41	+|(% style="background-color:#d9e2f3; width:134px" %)**Frequency band**|(% style="background-color:#d9e2f3; width:400px" %)**Output Power in LoRa Module (consider 2dB antenna)**|(% style="background-color:#d9e2f3; width:362px" %)(((
40	40	**Spreading Factor(Higher SF can transmit further)**
41		-)))|(% style="width:102px" %)**Band Width**
	43	+)))|(% style="background-color:#d9e2f3; width:102px" %)**Band Width**
42	42	|(% style="width:134px" %)**EU868**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
43	43	|(% 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
44	44	|(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
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48	48	== 2.2  Adaptive Data Rate (ADR) and set max distance ==
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50	50
51		-**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.
52	52
53	53
54	54	By default, ADR is turn on((% style="color:#037691" %)**AT+ADR=1**) (%%)so End node ADR feature is enable.
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59	59	(% style="color:#037691" %)**AT+ADR=0**
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61		-(% style="color:#037691" %)**AT+DR=0**
	63	+(% style="color:#037691" %)**AT+DR=0  **~/~/(%%) Use longest distance modulation
62	62
63		-(% style="color:#037691" %)**AT+TXP=0**
	65	+(% style="color:#037691" %)**AT+TXP=0   **(%%)~/~/ Use max power   For EU868, max power can be is AT+TXP=50
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66	66	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.
...	...	@@ -83,9 +83,9 @@
83	83
84	84	Below are the settings for longest distance transmission. ( will reduce battery life)
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86		-* (% style="color:#037691" %)**AT+ADR=0**     (%%)~/~/  Disable ADR
87		-* (% style="color:#037691" %)**AT+DR=  0**     (%%)~/~/  Use the smallest DR
88		-* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power.
	88	+* (% style="color:#037691" %)**AT+ADR=0**  (%%)~/~/  Disable ADR
	89	+* (% style="color:#037691" %)**AT+DR=  0**  (%%)~/~/  Use the smallest DR,the longest distance modulation
	90	+* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power   For EU868, max power can be is AT+TXP=50
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...	...	@@ -170,6 +170,11 @@
170	170	[[image:image-20221101000006-1.png||height="353" width="931"]]
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	175	+= 6. Use a repeater =
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	178	+In some cases, user can consider use a repeater for limitation transmition.
	179	+
	180	+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]]
	181	+
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