<
From version < 3.7 >
edited by Xiaoling
on 2022/05/10 15:50
To version < 3.6 >
edited by Xiaoling
on 2022/05/10 15:35
>
Change comment: There is no comment for this version

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272 272  
273 273  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
274 274  
275 -(((
276 276  There is an 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 work for the LoRaWAN server use sub-band2 , such as TTN. To solve this, the user needs to use a USB-TTL adapter to connect to the end node to manually set the sub-band which is very inconvenient.
277 -)))
278 278  
279 -(((
280 -
281 -)))
282 -
283 -(((
284 284  So since **Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]**, we have improved this, 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, In this case, In this case, the end node can support LoRaWAN servers with different subbands. To make sure the end node will only transmit the proper sub-band after OTAA Joined successfully, the end node will:
285 -)))
286 286  
287 -* (((
288 -Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband
289 -)))
290 -* (((
291 -Use the Join successful sub-band if the server doesn't include subband info in the OTAA Join Accept message ( TTN v2 doesn't include)
292 -)))
279 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband
280 +* Use the Join successful sub-band if the server doesn't include subband info in the OTAA Join Accept message ( TTN v2 doesn't include)
293 293  
294 294  = 4. Frequency Bands for different server =
295 295  
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