Changes for page How to improve LoRaWAN distance
Last modified by Xiaoling on 2024/08/16 11:25
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... ... @@ -46,7 +46,6 @@ 46 46 |(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz 47 47 48 48 49 - 50 50 == 2.2 Adaptive Data Rate (ADR) and set max distance == 51 51 52 52 ... ... @@ -60,9 +60,9 @@ 60 60 61 61 (% style="color:#037691" %)**AT+ADR=0** 62 62 63 -(% style="color:#037691" %)**AT+DR=0 62 +(% style="color:#037691" %)**AT+DR=0 **~/~/(%%) Use longest distance modulation 64 64 65 -(% 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 66 66 67 67 68 68 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. ... ... @@ -85,12 +85,11 @@ 85 85 86 86 Below are the settings for longest distance transmission. ( will reduce battery life) 87 87 88 -* (% style="color:#037691" %)**AT+ADR=0** 89 -* (% style="color:#037691" %)**AT+DR= 0** 87 +* (% style="color:#037691" %)**AT+ADR=0** (%%)~/~/ Disable ADR 88 +* (% style="color:#037691" %)**AT+DR= 0** (%%)~/~/ Use the smallest DR,the longest distance modulation 90 90 * (% style="color:#037691" %)**AT+TXP=0** (%%) ~/~/ Use max power For EU868, max power can be is AT+TXP=50 91 91 92 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 == ... ... @@ -126,7 +126,6 @@ 126 126 * Radio communication are usually killed with bad topographic conditions. It is usually not possible to communicate through a hill, even very small. 127 127 128 128 129 - 130 130 == 4.2 Improve the Antenna == 131 131 132 132