Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 11.2 >
edited by Xiaoling
on 2022/05/30 10:42
To version < 15.1 >
edited by Edwin Chen
on 2023/10/22 21:56
>
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  
... ... @@ -8,6 +8,7 @@
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]]
... ... @@ -14,13 +14,13 @@
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 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  
21 +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.
22 +
22 22  (((
23 -For 005 LoRaWAN Stack:
24 +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
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27 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
28 28  
29 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  
37 +
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  
49 +
50 +* **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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74 74  
75 75  === 3.1.3 AS923-2 ===
76 76  
79 +
77 77  * Default Uplink channel:
78 78  ** 921.4 - SF7BW125 to SF10BW125
79 79  ** 921.6 - SF7BW125 to SF10BW125
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87 87  
88 88  === 3.1.4 AS923-3 ===
89 89  
93 +
90 90  * Default Uplink channel:
91 91  ** 916.6 - SF7BW125 to SF10BW125
92 92  ** 916.8 - SF7BW125 to SF10BW125
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100 100  
101 101  === 3.1.5 AS923-4 ===
102 102  
107 +
103 103  * Countries : Israel
104 104  * Default Uplink channel:
105 105  ** 917.3 - SF7BW125 to SF10BW125
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113 113  
114 114  == 3.2 AU915-928(AU915) ==
115 115  
121 +
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)
163 +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  
165 +
159 159  
160 160  )))
161 161  
162 162  == 3.3 CN470-510 (CN470) ==
163 163  
171 +
164 164  Used in China, Default use CHE=1
165 165  
166 166  * Uplink:
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185 185  ** 505.3 - SF12BW125 (RX2 downlink only)
186 186  
187 187  
188 -
189 189  == 3.4 EU863-870 (EU868) ==
190 190  
198 +
191 191  * Uplink:
192 192  ** 868.1 - SF7BW125 to SF12BW125
193 193  ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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208 208  
209 209  == 3.5 IN865-867 (IN865) ==
210 210  
219 +
211 211  * Uplink:
212 212  ** 865.0625 - SF7BW125 to SF12BW125
213 213  ** 865.4025 - SF7BW125 to SF12BW125
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217 217  ** Uplink channels 1-3 (RX1)
218 218  ** 866.550 - SF10BW125 (RX2)
219 219  
229 +Gateway has below eight channels in IN865 bands.
220 220  
231 +* 865.0625 - SF7BW125 to SF12BW125
232 +* 865.4025 - SF7BW125 to SF12BW125
233 +* 865.6025 - SF7BW125 to SF12BW125
234 +* 865.9850 - SF7BW125 to SF12BW125
235 +* 866.1850 - SF7BW125 to SF12BW125
236 +* 866.3850 - SF7BW125 to SF12BW125
237 +* 866.5850 - SF7BW125 to SF12BW125
238 +* 866.7850 - SF7BW125 to SF12BW125
221 221  
240 +
222 222  == 3.6 KZ865 ==
223 223  
243 +
224 224  * Uplink ~-~- 125Khz , DR0 - DR5
225 225  ** 865.1
226 226  ** 865.2
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233 233  ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
234 234  
235 235  
236 -
237 237  == 3.7 KR920-923 (KR920) ==
238 238  
258 +
239 239  * Default channel:
240 240  ** 922.1 - SF7BW125 to SF12BW125
241 241  ** 922.3 - SF7BW125 to SF12BW125
... ... @@ -255,9 +255,9 @@
255 255  ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
256 256  
257 257  
258 -
259 259  == 3.8 MA869 ==
260 260  
280 +
261 261   Country: Morroco
262 262  
263 263  * Uplink:
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276 276  ** 869.525 - SF12BW125 (RX2 downlink only)
277 277  
278 278  
279 -
280 280  == 3.9 US902-928 (US915) ==
281 281  
301 +
282 282  Used in USA, Canada and South America.
283 283  
284 284  
285 285  === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
286 286  
307 +
287 287  Default use CHE=2, Subband 2
288 288  
289 289  * Uplink:
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308 308  ** 923.3 - SF12BW500(RX2 downlink only)
309 309  
310 310  
311 -
312 312  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
313 313  
334 +
314 314  (((
315 315  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.
316 316  )))
317 317  
318 318  (((
319 -
320 -)))
321 -
322 -(((
323 323  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:
324 324  )))
325 325  
... ... @@ -329,10 +329,42 @@
329 329  * (((
330 330  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)
331 331  
349 +
332 332  
333 333  )))
334 334  
335 335  = 4. Frequency Bands for different server =
336 336  
355 +
337 337  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
338 338  * Loriot [[https:~~/~~/docs.loriot.io/display/LNS/Regional+Frequency+Plans>>url:https://docs.loriot.io/display/LNS/Regional+Frequency+Plans]]
358 +
359 +
360 += 5. Subband Related questiones in US915, AU915, CN470 bands. =
361 +
362 +
363 +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?
364 +
365 +
366 +== 5.1 Set Subband in Gateway. ==
367 +
368 +
369 +* 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.
370 +
371 +* 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.
372 +
373 +
374 +== 5.2 Set Subband in End Node ==
375 +
376 +
377 +* 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.
378 +
379 +* 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.
380 +
381 +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]]?
382 +
383 +
384 +
385 +
386 +
387 +

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