<
From version < 23.2 >
edited by Xiaoling
on 2024/08/16 11:17
To version < 21.2 >
edited by Xiaoling
on 2023/04/14 11:02
>
Change comment: There is no comment for this version

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... ... @@ -37,15 +37,14 @@
37 37  
38 38  **End node actually value when TXP=0 and DR=0**
39 39  
40 -(% border="1.5" cellspacing="3" style="background-color:#f2f2f2; width:1002px" %)
41 -|(% style="background-color:#D9E2F3;color:#0070C0; width:134px" %)**Frequency band**|(% style="background-color:#D9E2F3;color:#0070C0; width:400px" %)**Output Power in LoRa Module (consider 2dB antenna)**|(% style="background-color:#D9E2F3;color:#0070C0; width:362px" %)(((
40 +(% border="1.5" cellspacing="4" style="background-color:#F2F2F2; width:1002px" %)
41 +|(% style="width:134px;background-color:#D9E2F3" %)**Frequency band**|(% style="width:400px;background-color:#D9E2F3" %)**Output Power in LoRa Module (consider 2dB antenna)**|(% style="width:362px;background-color:#D9E2F3" %)(((
42 42  **Spreading Factor(Higher SF can transmit further)**
43 -)))|(% style="background-color:#D9E2F3;color:#0070C0; width:102px" %)**Band Width**
43 +)))|(% style="width:102px;background-color:#D9E2F3" %)**Band Width**
44 44  |(% style="width:134px" %)**EU868**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
45 45  |(% 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
46 46  |(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
47 47  
48 -
49 49  == 2.2  Adaptive Data Rate (ADR) and set max distance ==
50 50  
51 51  
... ... @@ -59,9 +59,9 @@
59 59  
60 60  (% style="color:#037691" %)**AT+ADR=0**
61 61  
62 -(% style="color:#037691" %)**AT+DR=0     **~/~/(%%) Use longest distance modulation
61 +(% style="color:#037691" %)**AT+DR=0  **~/~/(%%) Use longest distance modulation
63 63  
64 -(% style="color:#037691" %)**AT+TXP=0   **(%%)~/~/ Use max power   For EU868, max power can be is AT+TXP=50
63 +(% style="color:#037691" %)**AT+TXP=0   **(%%)~/~/Use max power   For EU868, max power can be is AT+TXP=50
65 65  
66 66  
67 67  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.
... ... @@ -84,21 +84,13 @@
84 84  
85 85  Below are the settings for longest distance transmission. ( will reduce battery life)
86 86  
87 -* (% style="color:#037691" %)**AT+ADR=0**          (%%)~/~/  Disable ADR  (% style="color:#037691" %)**(downlinkpayload: 2200FFFF)**
88 -* (% style="color:#037691" %)**AT+DR=0**           (%%)~/~/  Use the smallest DR,the longest distance modulation (% style="color:#037691" %)**(downlinkpayload: 220000FF)**
89 -* (% style="color:#037691" %)**AT+TXP=0**          (%%)~/~/  Use max power   For EU868, max power can be is AT+TXP=50 (% style="color:#037691" %)** (downlinkpayload: 22000000)**
86 +* (% style="color:#037691" %)**AT+ADR=0**     (%%)~/~/  Disable ADR
87 +* (% style="color:#037691" %)**AT+DR=  0**     (%%)~/~/  Use the smallest DR,the longest distance modulation
88 +* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power   For EU868, max power can be is AT+TXP=50
90 90  
91 -== 2.5 Debug in Software ==
92 -
93 -Dragino can help client to debug the software for the distance issue. In the case , please send us below info:
94 -
95 -* Detail packets include for Join Request, Join Accept, Uplink & Downlink, These packets should include:
96 -** RSSI, DataRate, FCNT, Frequency.
97 -** MIC command detail & Payload detail.
98 -
99 99  = 3.  Analyze at the hardware side =
100 100  
101 -== 3.1  Check if the antenna path is good ~-~- For LSN50v2 series end node ==
92 +== 3.1  Check if the antenna path is good ~-~- For LSn50v2 series end node ==
102 102  
103 103  
104 104  a) Open Enclosure and Check if the antenna connection to module is good.
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