Changes for page How to improve LoRaWAN distance
Last modified by Xiaoling on 2024/08/16 11:25
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... ... @@ -44,7 +44,6 @@ 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 - 48 48 == 2.2 Adaptive Data Rate (ADR) and set max distance == 49 49 50 50 ... ... @@ -89,8 +89,6 @@ 89 89 * (% style="color:#037691" %)**AT+DR= 0** (%%)~/~/ Use the smallest DR 90 90 * (% style="color:#037691" %)**AT+TXP=0** (%%) ~/~/ Use max power. 91 91 92 - 93 - 94 94 = 3. Analyze at the hardware side = 95 95 96 96 == 3.1 Check if the antenna path is good ~-~- For LSn50v2 series end node == ... ... @@ -110,7 +110,7 @@ 110 110 == 4.1 Check the use environment == 111 111 112 112 113 -First , User should notice: Radio link quality and performances are highly dependent of the environment. 110 +First , User should notice: Radio link quality and performances are highly dependent of the environment.Even you have the same hardware and antenna, Different installation will result in different performance. 114 114 115 115 (% style="color:blue" %)**Better performances can be reached with:** 116 116 ... ... @@ -126,8 +126,6 @@ 126 126 * High ISM band usage by other technologies. 127 127 * Radio communication are usually killed with bad topographic conditions. It is usually not possible to communicate through a hill, even very small. 128 128 129 - 130 - 131 131 == 4.2 Improve the Antenna == 132 132 133 133 ... ... @@ -171,7 +171,9 @@ 171 171 [[image:image-20221031233759-3.png]] 172 172 173 173 169 +[[image:image-20221101000006-1.png||height="353" width="931"]] 174 174 175 175 176 176 173 + 177 177
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