Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 9.1 >
edited by Xiaoling
on 2022/05/30 10:38
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]]
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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  
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  (((
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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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73 73  
74 74  === 3.1.3 AS923-2 ===
75 75  
82 +
76 76  * Default Uplink channel:
77 77  ** 921.4 - SF7BW125 to SF10BW125
78 78  ** 921.6 - SF7BW125 to SF10BW125
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87 87  
88 88  === 3.1.4 AS923-3 ===
89 89  
97 +
90 90  * Default Uplink channel:
91 91  ** 916.6 - SF7BW125 to SF10BW125
92 92  ** 916.8 - SF7BW125 to SF10BW125
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101 101  
102 102  === 3.1.5 AS923-4 ===
103 103  
112 +
104 104  * Countries : Israel
105 105  * Default Uplink channel:
106 106  ** 917.3 - SF7BW125 to SF10BW125
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115 115  
116 116  == 3.2 AU915-928(AU915) ==
117 117  
127 +
118 118  **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
119 119  
120 120  * Uplink:
... ... @@ -156,13 +156,15 @@
156 156  Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
157 157  )))
158 158  * (((
159 -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)
160 160  
171 +
161 161  
162 162  )))
163 163  
164 164  == 3.3 CN470-510 (CN470) ==
165 165  
177 +
166 166  Used in China, Default use CHE=1
167 167  
168 168  * Uplink:
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190 190  
191 191  == 3.4 EU863-870 (EU868) ==
192 192  
205 +
193 193  * Uplink:
194 194  ** 868.1 - SF7BW125 to SF12BW125
195 195  ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250
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210 210  
211 211  == 3.5 IN865-867 (IN865) ==
212 212  
226 +
213 213  * Uplink:
214 214  ** 865.0625 - SF7BW125 to SF12BW125
215 215  ** 865.4025 - SF7BW125 to SF12BW125
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219 219  ** Uplink channels 1-3 (RX1)
220 220  ** 866.550 - SF10BW125 (RX2)
221 221  
236 +Gateway has below eight channels in IN865 bands.
222 222  
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
223 223  
247 +
248 +
224 224  == 3.6 KZ865 ==
225 225  
251 +
226 226  * Uplink ~-~- 125Khz , DR0 - DR5
227 227  ** 865.1
228 228  ** 865.2
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238 238  
239 239  == 3.7 KR920-923 (KR920) ==
240 240  
267 +
241 241  * Default channel:
242 242  ** 922.1 - SF7BW125 to SF12BW125
243 243  ** 922.3 - SF7BW125 to SF12BW125
... ... @@ -260,6 +260,7 @@
260 260  
261 261  == 3.8 MA869 ==
262 262  
290 +
263 263   Country: Morroco
264 264  
265 265  * Uplink:
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281 281  
282 282  == 3.9 US902-928 (US915) ==
283 283  
312 +
284 284  Used in USA, Canada and South America.
285 285  
286 286  
287 287  === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
288 288  
318 +
289 289  Default use CHE=2, Subband 2
290 290  
291 291  * Uplink:
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309 309  ** 927.5 - SF7BW500 to SF12BW500
310 310  ** 923.3 - SF12BW500(RX2 downlink only)
311 311  
342 +
343 +
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  
346 +
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  
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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  
361 +
332 332  
333 333  )))
334 334  
335 335  = 4. Frequency Bands for different server =
336 336  
367 +
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]]
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 +
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