Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 11.8 >
edited by Xiaoling
on 2022/06/01 11:46
To version < 16.1 >
edited by Edwin Chen
on 2023/12/07 09:47
>
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 - **Contents：**
2 + **Table of** **Contents：**
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -8,33 +8,31 @@
8 8  
9 9  = 1. Introduction =
10 10  
11 +
11 11  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.
12 12  
13 13  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
14 14  * 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]]
15 15  
16 -
17 -
18 18  = 2. OTAA Join Behaviour =
19 19  
20 -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.
21 21  
20 +Since 005 LoRaWAN stack: to save battery, once boot, device will 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.
21 +
22 22  (((
23 -For 005 LoRaWAN Stack:
23 +Since 005 LoRaWAN Stack:
24 24  )))
25 25  
26 26  * EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop
27 -* 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
27 +* US915 and AU915 OTAA Join procedure,. End node by default will use all 72 channels (All sub-bands) to join and it will be set to use the proper sub-band after Join success
28 28  
29 -
30 -
31 31  = 3. Default Frequency Bands =
32 32  
33 -
34 34  == 3.1 AS923 ==
35 35  
36 36  === 3.1.1 Notice for AS923 Frequency Bands ===
37 37  
35 +
38 38  (((
39 39  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.
40 40  )))
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46 46  
47 47  === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
48 48  
47 +
48 +* **Countries**: Malaysia,
49 49  * Default Uplink channel:
50 50  ** 923.2 - SF7BW125 to SF10BW125
51 51  ** 923.4 - SF7BW125 to SF10BW125
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71 71  ** Uplink channels 1-8 (RX1)
72 72  ** 923.2 - SF10BW125 (RX2)
73 73  
74 -
75 -
76 76  === 3.1.3 AS923-2 ===
77 77  
76 +
78 78  * Default Uplink channel:
79 79  ** 921.4 - SF7BW125 to SF10BW125
80 80  ** 921.6 - SF7BW125 to SF10BW125
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85 85  ** Uplink channels 1-8 (RX1)
86 86  ** 921.4 - SF10BW125 (RX2)
87 87  
88 -
89 -
90 90  === 3.1.4 AS923-3 ===
91 91  
89 +
92 92  * Default Uplink channel:
93 93  ** 916.6 - SF7BW125 to SF10BW125
94 94  ** 916.8 - SF7BW125 to SF10BW125
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101 101  
102 102  === 3.1.5 AS923-4 ===
103 103  
102 +
104 104  * Countries : Israel
105 105  * Default Uplink channel:
106 106  ** 917.3 - SF7BW125 to SF10BW125
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113 113  
114 114  == 3.2 AU915-928(AU915) ==
115 115  
115 +
116 116  **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
117 117  
118 118  * Uplink:
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154 154  Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
155 155  )))
156 156  * (((
157 -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)
157 +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)
158 158  
159 +
159 159  
160 160  )))
161 161  
162 162  == 3.3 CN470-510 (CN470) ==
163 163  
165 +
164 164  Used in China, Default use CHE=1
165 165  
166 166  * Uplink:
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186 186  
187 187  == 3.4 EU863-870 (EU868) ==
188 188  
191 +
189 189  * Uplink:
190 190  ** 868.1 - SF7BW125 to SF12BW125
191 191  ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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206 206  
207 207  == 3.5 IN865-867 (IN865) ==
208 208  
212 +
209 209  * Uplink:
210 210  ** 865.0625 - SF7BW125 to SF12BW125
211 211  ** 865.4025 - SF7BW125 to SF12BW125
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215 215  ** Uplink channels 1-3 (RX1)
216 216  ** 866.550 - SF10BW125 (RX2)
217 217  
222 +Gateway has below eight channels in IN865 bands.
223 +
224 +* 865.0625 - SF7BW125 to SF12BW125
225 +* 865.4025 - SF7BW125 to SF12BW125
226 +* 865.6025 - SF7BW125 to SF12BW125
227 +* 865.9850 - SF7BW125 to SF12BW125
228 +* 866.1850 - SF7BW125 to SF12BW125
229 +* 866.3850 - SF7BW125 to SF12BW125
230 +* 866.5850 - SF7BW125 to SF12BW125
231 +* 866.7850 - SF7BW125 to SF12BW125
232 +
218 218  == 3.6 KZ865 ==
219 219  
235 +
220 220  * Uplink ~-~- 125Khz , DR0 - DR5
221 221  ** 865.1
222 222  ** 865.2
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230 230  
231 231  == 3.7 KR920-923 (KR920) ==
232 232  
249 +
233 233  * Default channel:
234 234  ** 922.1 - SF7BW125 to SF12BW125
235 235  ** 922.3 - SF7BW125 to SF12BW125
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250 250  
251 251  == 3.8 MA869 ==
252 252  
270 +
253 253   Country: Morroco
254 254  
255 255  * Uplink:
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269 269  
270 270  == 3.9 US902-928 (US915) ==
271 271  
290 +
272 272  Used in USA, Canada and South America.
273 273  
274 274  
275 275  === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
276 276  
296 +
277 277  Default use CHE=2, Subband 2
278 278  
279 279  * Uplink:
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299 299  
300 300  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
301 301  
322 +
302 302  (((
303 303  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.
304 304  )))
305 305  
306 306  (((
307 -
328 +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, 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:
308 308  )))
309 309  
310 -(((
311 -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:
312 -)))
313 -
314 314  * (((
315 315  Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband
316 316  )))
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317 317  * (((
318 318  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)
319 319  
337 +
320 320  
321 321  )))
322 322  
323 323  = 4. Frequency Bands for different server =
324 324  
343 +
325 325  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
326 326  * Loriot [[https:~~/~~/docs.loriot.io/display/LNS/Regional+Frequency+Plans>>url:https://docs.loriot.io/display/LNS/Regional+Frequency+Plans]]
346 +
347 += 5. Subband Related questiones in US915, AU915, CN470 bands. =
348 +
349 +
350 +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?
351 +
352 +
353 +== 5.1 Set Subband in Gateway. ==
354 +
355 +
356 +* 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.
357 +
358 +* 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.
359 +
360 +== 5.2 Set Subband in End Node ==
361 +
362 +
363 +* 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.
364 +
365 +* 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.
366 +
367 +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]]?
368 +
369 +
370 +
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372 +
373 +

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