Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 6.1 >
edited by Xiaoling
on 2022/05/27 17:43
To version < 14.2 >
edited by Xiaoling
on 2023/02/02 15:37
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,10 +1,14 @@
1 1  (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2 - **Contents：**
2 + **Table of** **Contents：**
3 3  
4 4  {{toc/}}
5 5  
6 +
7 +
8 +
6 6  = 1. Introduction =
7 7  
11 +
8 8  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.
9 9  
10 10  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
... ... @@ -11,8 +11,10 @@
11 11  * 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]]
12 12  
13 13  
18 +
14 14  = 2. OTAA Join Behaviour =
15 15  
21 +
16 16  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.
17 17  
18 18  (((
... ... @@ -23,13 +23,14 @@
23 23  * 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
24 24  
25 25  
32 +
26 26  = 3. Default Frequency Bands =
27 27  
28 -
29 29  == 3.1 AS923 ==
30 30  
31 31  === 3.1.1 Notice for AS923 Frequency Bands ===
32 32  
39 +
33 33  (((
34 34  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.
35 35  )))
... ... @@ -41,6 +41,8 @@
41 41  
42 42  === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
43 43  
51 +
52 +* **Countries**: Malaysia,
44 44  * Default Uplink channel:
45 45  ** 923.2 - SF7BW125 to SF10BW125
46 46  ** 923.4 - SF7BW125 to SF10BW125
... ... @@ -67,8 +67,10 @@
67 67  ** 923.2 - SF10BW125 (RX2)
68 68  
69 69  
79 +
70 70  === 3.1.3 AS923-2 ===
71 71  
82 +
72 72  * Default Uplink channel:
73 73  ** 921.4 - SF7BW125 to SF10BW125
74 74  ** 921.6 - SF7BW125 to SF10BW125
... ... @@ -83,6 +83,7 @@
83 83  
84 84  === 3.1.4 AS923-3 ===
85 85  
97 +
86 86  * Default Uplink channel:
87 87  ** 916.6 - SF7BW125 to SF10BW125
88 88  ** 916.8 - SF7BW125 to SF10BW125
... ... @@ -97,6 +97,7 @@
97 97  
98 98  === 3.1.5 AS923-4 ===
99 99  
112 +
100 100  * Countries : Israel
101 101  * Default Uplink channel:
102 102  ** 917.3 - SF7BW125 to SF10BW125
... ... @@ -111,6 +111,7 @@
111 111  
112 112  == 3.2 AU915-928(AU915) ==
113 113  
127 +
114 114  **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
115 115  
116 116  * Uplink:
... ... @@ -152,13 +152,15 @@
152 152  Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
153 153  )))
154 154  * (((
155 -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)
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)
156 156  
171 +
157 157  
158 158  )))
159 159  
160 160  == 3.3 CN470-510 (CN470) ==
161 161  
177 +
162 162  Used in China, Default use CHE=1
163 163  
164 164  * Uplink:
... ... @@ -186,6 +186,7 @@
186 186  
187 187  == 3.4 EU863-870 (EU868) ==
188 188  
205 +
189 189  * Uplink:
190 190  ** 868.1 - SF7BW125 to SF12BW125
191 191  ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
... ... @@ -206,6 +206,7 @@
206 206  
207 207  == 3.5 IN865-867 (IN865) ==
208 208  
226 +
209 209  * Uplink:
210 210  ** 865.0625 - SF7BW125 to SF12BW125
211 211  ** 865.4025 - SF7BW125 to SF12BW125
... ... @@ -215,10 +215,22 @@
215 215  ** Uplink channels 1-3 (RX1)
216 216  ** 866.550 - SF10BW125 (RX2)
217 217  
236 +Gateway has below eight channels in IN865 bands.
218 218  
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
219 219  
247 +
248 +
220 220  == 3.6 KZ865 ==
221 221  
251 +
222 222  * Uplink ~-~- 125Khz , DR0 - DR5
223 223  ** 865.1
224 224  ** 865.2
... ... @@ -234,6 +234,7 @@
234 234  
235 235  == 3.7 KR920-923 (KR920) ==
236 236  
267 +
237 237  * Default channel:
238 238  ** 922.1 - SF7BW125 to SF12BW125
239 239  ** 922.3 - SF7BW125 to SF12BW125
... ... @@ -256,6 +256,7 @@
256 256  
257 257  == 3.8 MA869 ==
258 258  
290 +
259 259   Country: Morroco
260 260  
261 261  * Uplink:
... ... @@ -274,13 +274,16 @@
274 274  ** 869.525 - SF12BW125 (RX2 downlink only)
275 275  
276 276  
309 +
277 277  == 3.9 US902-928 (US915) ==
278 278  
312 +
279 279  Used in USA, Canada and South America.
280 280  
281 281  
282 282  === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
283 283  
318 +
284 284  Default use CHE=2, Subband 2
285 285  
286 286  * Uplink:
... ... @@ -308,15 +308,12 @@
308 308  
309 309  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
310 310  
346 +
311 311  (((
312 312  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.
313 313  )))
314 314  
315 315  (((
316 -
317 -)))
318 -
319 -(((
320 320  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:
321 321  )))
322 322  
... ... @@ -326,10 +326,44 @@
326 326  * (((
327 327  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)
328 328  
361 +
329 329  
330 330  )))
331 331  
332 332  = 4. Frequency Bands for different server =
333 333  
367 +
334 334  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
335 335  * 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 +

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0