Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 11.13 >
edited by Xiaoling
on 2022/06/01 11:48
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]]
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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
... ... @@ -72,9 +72,9 @@
72 72  ** 923.2 - SF10BW125 (RX2)
73 73  
74 74  
75 -
76 76  === 3.1.3 AS923-2 ===
77 77  
79 +
78 78  * Default Uplink channel:
79 79  ** 921.4 - SF7BW125 to SF10BW125
80 80  ** 921.6 - SF7BW125 to SF10BW125
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86 86  ** 921.4 - SF10BW125 (RX2)
87 87  
88 88  
89 -
90 90  === 3.1.4 AS923-3 ===
91 91  
93 +
92 92  * Default Uplink channel:
93 93  ** 916.6 - SF7BW125 to SF10BW125
94 94  ** 916.8 - SF7BW125 to SF10BW125
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100 100  ** 916.6 - SF10BW125 (RX2)
101 101  
102 102  
103 -
104 104  === 3.1.5 AS923-4 ===
105 105  
107 +
106 106  * Countries : Israel
107 107  * Default Uplink channel:
108 108  ** 917.3 - SF7BW125 to SF10BW125
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114 114  ** 917.3 - SF10BW125 (RX2)
115 115  
116 116  
117 -
118 118  == 3.2 AU915-928(AU915) ==
119 119  
121 +
120 120  **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
121 121  
122 122  * Uplink:
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158 158  Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
159 159  )))
160 160  * (((
161 -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)
162 162  
165 +
163 163  
164 164  )))
165 165  
166 166  == 3.3 CN470-510 (CN470) ==
167 167  
171 +
168 168  Used in China, Default use CHE=1
169 169  
170 170  * Uplink:
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189 189  ** 505.3 - SF12BW125 (RX2 downlink only)
190 190  
191 191  
192 -
193 193  == 3.4 EU863-870 (EU868) ==
194 194  
198 +
195 195  * Uplink:
196 196  ** 868.1 - SF7BW125 to SF12BW125
197 197  ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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212 212  
213 213  == 3.5 IN865-867 (IN865) ==
214 214  
219 +
215 215  * Uplink:
216 216  ** 865.0625 - SF7BW125 to SF12BW125
217 217  ** 865.4025 - SF7BW125 to SF12BW125
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221 221  ** Uplink channels 1-3 (RX1)
222 222  ** 866.550 - SF10BW125 (RX2)
223 223  
229 +Gateway has below eight channels in IN865 bands.
224 224  
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
225 225  
240 +
226 226  == 3.6 KZ865 ==
227 227  
243 +
228 228  * Uplink ~-~- 125Khz , DR0 - DR5
229 229  ** 865.1
230 230  ** 865.2
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237 237  ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
238 238  
239 239  
240 -
241 241  == 3.7 KR920-923 (KR920) ==
242 242  
258 +
243 243  * Default channel:
244 244  ** 922.1 - SF7BW125 to SF12BW125
245 245  ** 922.3 - SF7BW125 to SF12BW125
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258 258  ** Uplink channels 1-7(RX1)
259 259  ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
260 260  
277 +
261 261  == 3.8 MA869 ==
262 262  
280 +
263 263   Country: Morroco
264 264  
265 265  * Uplink:
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277 277  ** Uplink channels 1-9 (RX1)
278 278  ** 869.525 - SF12BW125 (RX2 downlink only)
279 279  
298 +
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:
... ... @@ -307,17 +307,15 @@
307 307  ** 927.5 - SF7BW500 to SF12BW500
308 308  ** 923.3 - SF12BW500(RX2 downlink only)
309 309  
331 +
310 310  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
311 311  
334 +
312 312  (((
313 313  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.
314 314  )))
315 315  
316 316  (((
317 -
318 -)))
319 -
320 -(((
321 321  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:
322 322  )))
323 323  
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327 327  * (((
328 328  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)
329 329  
349 +
330 330  
331 331  )))
332 332  
333 333  = 4. Frequency Bands for different server =
334 334  
355 +
335 335  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
336 336  * 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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