Changes for page End Device Frequency Band
Last modified by Edwin Chen on 2024/10/21 20:35
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... ... @@ -1,5 +1,5 @@ 1 1 (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %) 2 - Contents:2 + 3 3 4 4 {{toc/}} 5 5 ... ... @@ -126,26 +126,14 @@ 126 126 ** 927.5 - SF7BW500 to SF12BW500 127 127 ** 923.3 - SF12BW500(RX2 downlink only) 128 128 129 -((( 130 130 There is a issue if the end node is fixed at sub-band2. The sensor won't be able to register to other sub-band and can only works for the LoRaWAN server use sub-band2 , such as TTN. To solve this, user need to use a USB-TTL adapter to connect to the end node to manually set the sub-band which is very inconvinient. 131 -))) 132 132 133 - 134 -((( 135 135 So since **Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]**, To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join. 136 -))) 137 137 138 - 139 -((( 140 140 After Join success, the end node will switch to the correct sub band by: 141 -))) 142 142 143 -* ((( 144 -Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 145 -))) 146 -* ((( 147 -Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include) 148 -))) 135 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 136 +* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include) 149 149 150 150 == 3.3 CN470-510 (CN470) == 151 151