Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 11.4 >
edited by Xiaoling
on 2022/05/31 08:57
To version < 14.2 >
edited by Xiaoling
on 2023/02/02 15:37
>
Change comment: There is no comment for this version

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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]]
... ... @@ -14,8 +14,10 @@
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  
18 +
17 17  = 2. OTAA Join Behaviour =
18 18  
21 +
19 19  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.
20 20  
21 21  (((
... ... @@ -26,13 +26,14 @@
26 26  * 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 27  
28 28  
32 +
29 29  = 3. Default Frequency Bands =
30 30  
31 -
32 32  == 3.1 AS923 ==
33 33  
34 34  === 3.1.1 Notice for AS923 Frequency Bands ===
35 35  
39 +
36 36  (((
37 37  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.
38 38  )))
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44 44  
45 45  === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
46 46  
51 +
52 +* **Countries**: Malaysia,
47 47  * Default Uplink channel:
48 48  ** 923.2 - SF7BW125 to SF10BW125
49 49  ** 923.4 - SF7BW125 to SF10BW125
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70 70  ** 923.2 - SF10BW125 (RX2)
71 71  
72 72  
79 +
73 73  === 3.1.3 AS923-2 ===
74 74  
82 +
75 75  * Default Uplink channel:
76 76  ** 921.4 - SF7BW125 to SF10BW125
77 77  ** 921.6 - SF7BW125 to SF10BW125
... ... @@ -83,8 +83,10 @@
83 83  ** 921.4 - SF10BW125 (RX2)
84 84  
85 85  
94 +
86 86  === 3.1.4 AS923-3 ===
87 87  
97 +
88 88  * Default Uplink channel:
89 89  ** 916.6 - SF7BW125 to SF10BW125
90 90  ** 916.8 - SF7BW125 to SF10BW125
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95 95  ** Uplink channels 1-8 (RX1)
96 96  ** 916.6 - SF10BW125 (RX2)
97 97  
108 +
109 +
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
... ... @@ -107,8 +107,11 @@
107 107  ** Uplink channels 1-8 (RX1)
108 108  ** 917.3 - SF10BW125 (RX2)
109 109  
123 +
124 +
110 110  == 3.2 AU915-928(AU915) ==
111 111  
127 +
112 112  **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
113 113  
114 114  * Uplink:
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150 150  Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
151 151  )))
152 152  * (((
153 -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)
154 154  
171 +
155 155  
156 156  )))
157 157  
158 158  == 3.3 CN470-510 (CN470) ==
159 159  
177 +
160 160  Used in China, Default use CHE=1
161 161  
162 162  * Uplink:
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181 181  ** 505.3 - SF12BW125 (RX2 downlink only)
182 182  
183 183  
202 +
184 184  == 3.4 EU863-870 (EU868) ==
185 185  
205 +
186 186  * Uplink:
187 187  ** 868.1 - SF7BW125 to SF12BW125
188 188  ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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203 203  
204 204  == 3.5 IN865-867 (IN865) ==
205 205  
226 +
206 206  * Uplink:
207 207  ** 865.0625 - SF7BW125 to SF12BW125
208 208  ** 865.4025 - SF7BW125 to SF12BW125
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212 212  ** Uplink channels 1-3 (RX1)
213 213  ** 866.550 - SF10BW125 (RX2)
214 214  
236 +Gateway has below eight channels in IN865 bands.
215 215  
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 +
216 216  == 3.6 KZ865 ==
217 217  
251 +
218 218  * Uplink ~-~- 125Khz , DR0 - DR5
219 219  ** 865.1
220 220  ** 865.2
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227 227  ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
228 228  
229 229  
264 +
230 230  == 3.7 KR920-923 (KR920) ==
231 231  
267 +
232 232  * Default channel:
233 233  ** 922.1 - SF7BW125 to SF12BW125
234 234  ** 922.3 - SF7BW125 to SF12BW125
... ... @@ -248,8 +248,10 @@
248 248  ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
249 249  
250 250  
287 +
251 251  == 3.8 MA869 ==
252 252  
290 +
253 253   Country: Morroco
254 254  
255 255  * Uplink:
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268 268  ** 869.525 - SF12BW125 (RX2 downlink only)
269 269  
270 270  
309 +
271 271  == 3.9 US902-928 (US915) ==
272 272  
312 +
273 273  Used in USA, Canada and South America.
274 274  
275 275  
276 276  === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
277 277  
318 +
278 278  Default use CHE=2, Subband 2
279 279  
280 280  * Uplink:
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299 299  ** 923.3 - SF12BW500(RX2 downlink only)
300 300  
301 301  
343 +
302 302  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
303 303  
346 +
304 304  (((
305 305  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.
306 306  )))
307 307  
308 308  (((
309 -
310 -)))
311 -
312 -(((
313 313  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:
314 314  )))
315 315  
... ... @@ -319,10 +319,44 @@
319 319  * (((
320 320  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)
321 321  
361 +
322 322  
323 323  )))
324 324  
325 325  = 4. Frequency Bands for different server =
326 326  
367 +
327 327  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
328 328  * 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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