Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 14.2 >
edited by Xiaoling
on 2023/02/02 15:37
To version < 12.1 >
edited by Edwin Chen
on 2022/06/15 10:45
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 1  (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2 - **Table of** **Contents：**
2 + **Contents：**
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -8,7 +8,6 @@
8 8  
9 9  = 1. Introduction =
10 10  
11 -
12 12  This page list the default frequency band for Dragino End Devices. The frequency bands are base on TTN Frequency Bands. User can modify upgrade firmware to support different frequency band or use AT Command to change the sub band in some frequency bands.
13 13  
14 14  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
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15 15  * Frequency Bands vs Country List : Page 11 of [[LoRaWAN Regional Parameters RP2-1.0.3>>url:https://resources.lora-alliance.org/technical-specifications/rp2-1-0-3-lorawan-regional-parameters]]
16 16  
17 17  
18 -
19 19  = 2. OTAA Join Behaviour =
20 20  
21 -
22 22  For 005 LoRaWAN stack: to save battery, once boot, device will make first make 200 tries for OTAA Join, the time period of two Join Requests will depends on the DR and the airtime requirement. After this 200 Join finish, device will send a join request every 20 minutes. If device reboot, it will do above loop again.
23 23  
24 24  (((
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29 29  * US915 and AU915 OTAA Join procedure,. End node by default will use all 72 channels to join and it will be set to use the proper sub-band after Join success
30 30  
31 31  
32 -
33 33  = 3. Default Frequency Bands =
34 34  
31 +
35 35  == 3.1 AS923 ==
36 36  
37 37  === 3.1.1 Notice for AS923 Frequency Bands ===
38 38  
39 -
40 40  (((
41 41  Since [[RP002-1.0.1LoRaWAN Regional Parameters>>url:https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf]], AS923 include three different default settings for different countries: AS923-1, AS923-2 and AS923-3.
42 42  )))
... ... @@ -48,7 +48,6 @@
48 48  
49 49  === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
50 50  
51 -
52 52  * **Countries**: Malaysia,
53 53  * Default Uplink channel:
54 54  ** 923.2 - SF7BW125 to SF10BW125
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76 76  ** 923.2 - SF10BW125 (RX2)
77 77  
78 78  
79 -
80 80  === 3.1.3 AS923-2 ===
81 81  
82 -
83 83  * Default Uplink channel:
84 84  ** 921.4 - SF7BW125 to SF10BW125
85 85  ** 921.6 - SF7BW125 to SF10BW125
... ... @@ -91,10 +91,8 @@
91 91  ** 921.4 - SF10BW125 (RX2)
92 92  
93 93  
94 -
95 95  === 3.1.4 AS923-3 ===
96 96  
97 -
98 98  * Default Uplink channel:
99 99  ** 916.6 - SF7BW125 to SF10BW125
100 100  ** 916.8 - SF7BW125 to SF10BW125
... ... @@ -106,10 +106,8 @@
106 106  ** 916.6 - SF10BW125 (RX2)
107 107  
108 108  
109 -
110 110  === 3.1.5 AS923-4 ===
111 111  
112 -
113 113  * Countries : Israel
114 114  * Default Uplink channel:
115 115  ** 917.3 - SF7BW125 to SF10BW125
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121 121  ** 917.3 - SF10BW125 (RX2)
122 122  
123 123  
124 -
125 125  == 3.2 AU915-928(AU915) ==
126 126  
127 -
128 128  **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
129 129  
130 130  * Uplink:
... ... @@ -166,15 +166,13 @@
166 166  Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
167 167  )))
168 168  * (((
169 -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)
156 +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)
170 170  
171 -
172 172  
173 173  )))
174 174  
175 175  == 3.3 CN470-510 (CN470) ==
176 176  
177 -
178 178  Used in China, Default use CHE=1
179 179  
180 180  * Uplink:
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199 199  ** 505.3 - SF12BW125 (RX2 downlink only)
200 200  
201 201  
202 -
203 203  == 3.4 EU863-870 (EU868) ==
204 204  
205 -
206 206  * Uplink:
207 207  ** 868.1 - SF7BW125 to SF12BW125
208 208  ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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223 223  
224 224  == 3.5 IN865-867 (IN865) ==
225 225  
226 -
227 227  * Uplink:
228 228  ** 865.0625 - SF7BW125 to SF12BW125
229 229  ** 865.4025 - SF7BW125 to SF12BW125
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233 233  ** Uplink channels 1-3 (RX1)
234 234  ** 866.550 - SF10BW125 (RX2)
235 235  
236 -Gateway has below eight channels in IN865 bands.
237 237  
238 -* 865.0625 - SF7BW125 to SF12BW125
239 -* 865.4025 - SF7BW125 to SF12BW125
240 -* 865.6025 - SF7BW125 to SF12BW125
241 -* 865.9850 - SF7BW125 to SF12BW125
242 -* 866.1850 - SF7BW125 to SF12BW125
243 -* 866.3850 - SF7BW125 to SF12BW125
244 -* 866.5850 - SF7BW125 to SF12BW125
245 -* 866.7850 - SF7BW125 to SF12BW125
246 -
247 -
248 -
249 249  == 3.6 KZ865 ==
250 250  
251 -
252 252  * Uplink ~-~- 125Khz , DR0 - DR5
253 253  ** 865.1
254 254  ** 865.2
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261 261  ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
262 262  
263 263  
264 -
265 265  == 3.7 KR920-923 (KR920) ==
266 266  
267 -
268 268  * Default channel:
269 269  ** 922.1 - SF7BW125 to SF12BW125
270 270  ** 922.3 - SF7BW125 to SF12BW125
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284 284  ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
285 285  
286 286  
287 -
288 288  == 3.8 MA869 ==
289 289  
290 -
291 291   Country: Morroco
292 292  
293 293  * Uplink:
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306 306  ** 869.525 - SF12BW125 (RX2 downlink only)
307 307  
308 308  
309 -
310 310  == 3.9 US902-928 (US915) ==
311 311  
312 -
313 313  Used in USA, Canada and South America.
314 314  
315 315  
316 316  === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
317 317  
318 -
319 319  Default use CHE=2, Subband 2
320 320  
321 321  * Uplink:
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340 340  ** 923.3 - SF12BW500(RX2 downlink only)
341 341  
342 342  
343 -
344 344  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
345 345  
346 -
347 347  (((
348 348  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.
349 349  )))
350 350  
351 351  (((
312 +
313 +)))
314 +
315 +(((
352 352  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:
353 353  )))
354 354  
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358 358  * (((
359 359  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)
360 360  
361 -
362 362  
363 363  )))
364 364  
365 365  = 4. Frequency Bands for different server =
366 366  
367 -
368 368  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
369 369  * Loriot [[https:~~/~~/docs.loriot.io/display/LNS/Regional+Frequency+Plans>>url:https://docs.loriot.io/display/LNS/Regional+Frequency+Plans]]
370 -
371 -
372 -
373 -= 5. Subband Related questiones in US915, AU915, CN470 bands. =
374 -
375 -
376 -Frequency band US915, AU915 and CN470 supports totally 72 frequency in 8 sub-bands, Normally Gateway only support 8 channels ( one subband). So how does the gateway and end nodes work in such frequency?
377 -
378 -
379 -== 5.1 Set Subband in Gateway. ==
380 -
381 -
382 -* If Gateway choose (% style="color:blue" %)**Semtech UDP packet**(%%) forwarder to Connect to LoRaWAN server. User need to manually set the match Subband in the gateway web UI.
383 -
384 -* If Gateway choose (% style="color:blue" %)**Basic Station Mode**(%%) to connect to the LoRaWAN server. User can set the subband in the Server side and gateway will the correct subband from server. no need to set this in gateway. AWS-IoT, TTN, ChirpStack all supports Basic Station Connection.
385 -
386 -
387 -
388 -== 5.2 Set Subband in End Node ==
389 -
390 -
391 -* In early End Node firmware, it is pre-set to subband 2 , user need to manually set to proper subband if they don;t use subband 2.
392 -
393 -* In new end node firmware , it supports all sub-bands, and will swtich to the proper subband after OTAA join. So user can use the end node with all sub-band.
394 -
395 -Reference: [[How it affects the OTAA Join when end node is set to support all subbands>>http://wiki.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H13.WhyittakeslongertimeforOTAAjoinedinUS9152FCN4702FAU915band3F]]?
396 -
397 -
398 -
399 -
400 -
401 -

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