Changes for page End Device Frequency Band
Last modified by Edwin Chen on 2024/10/21 20:35
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... ... @@ -1,5 +1,5 @@ 1 1 (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %) 2 - ** Table of** **Contents:**2 + **Contents:** 3 3 4 4 {{toc/}} 5 5 ... ... @@ -8,7 +8,6 @@ 8 8 9 9 = 1. Introduction = 10 10 11 - 12 12 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. 13 13 14 14 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]] ... ... @@ -18,7 +18,6 @@ 18 18 19 19 = 2. OTAA Join Behaviour = 20 20 21 - 22 22 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. 23 23 24 24 ((( ... ... @@ -32,11 +32,11 @@ 32 32 33 33 = 3. Default Frequency Bands = 34 34 33 + 35 35 == 3.1 AS923 == 36 36 37 37 === 3.1.1 Notice for AS923 Frequency Bands === 38 38 39 - 40 40 ((( 41 41 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. 42 42 ))) ... ... @@ -48,8 +48,6 @@ 48 48 49 49 === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) === 50 50 51 - 52 -* **Countries**: Malaysia, 53 53 * Default Uplink channel: 54 54 ** 923.2 - SF7BW125 to SF10BW125 55 55 ** 923.4 - SF7BW125 to SF10BW125 ... ... @@ -76,10 +76,8 @@ 76 76 ** 923.2 - SF10BW125 (RX2) 77 77 78 78 79 - 80 80 === 3.1.3 AS923-2 === 81 81 82 - 83 83 * Default Uplink channel: 84 84 ** 921.4 - SF7BW125 to SF10BW125 85 85 ** 921.6 - SF7BW125 to SF10BW125 ... ... @@ -91,10 +91,8 @@ 91 91 ** 921.4 - SF10BW125 (RX2) 92 92 93 93 94 - 95 95 === 3.1.4 AS923-3 === 96 96 97 - 98 98 * Default Uplink channel: 99 99 ** 916.6 - SF7BW125 to SF10BW125 100 100 ** 916.8 - SF7BW125 to SF10BW125 ... ... @@ -106,10 +106,8 @@ 106 106 ** 916.6 - SF10BW125 (RX2) 107 107 108 108 109 - 110 110 === 3.1.5 AS923-4 === 111 111 112 - 113 113 * Countries : Israel 114 114 * Default Uplink channel: 115 115 ** 917.3 - SF7BW125 to SF10BW125 ... ... @@ -121,10 +121,8 @@ 121 121 ** 917.3 - SF10BW125 (RX2) 122 122 123 123 124 - 125 125 == 3.2 AU915-928(AU915) == 126 126 127 - 128 128 **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2 129 129 130 130 * Uplink: ... ... @@ -166,15 +166,13 @@ 166 166 Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 167 167 ))) 168 168 * ((( 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)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) 170 170 171 - 172 172 173 173 ))) 174 174 175 175 == 3.3 CN470-510 (CN470) == 176 176 177 - 178 178 Used in China, Default use CHE=1 179 179 180 180 * Uplink: ... ... @@ -199,10 +199,8 @@ 199 199 ** 505.3 - SF12BW125 (RX2 downlink only) 200 200 201 201 202 - 203 203 == 3.4 EU863-870 (EU868) == 204 204 205 - 206 206 * Uplink: 207 207 ** 868.1 - SF7BW125 to SF12BW125 208 208 ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250 ... ... @@ -223,7 +223,6 @@ 223 223 224 224 == 3.5 IN865-867 (IN865) == 225 225 226 - 227 227 * Uplink: 228 228 ** 865.0625 - SF7BW125 to SF12BW125 229 229 ** 865.4025 - SF7BW125 to SF12BW125 ... ... @@ -233,22 +233,9 @@ 233 233 ** Uplink channels 1-3 (RX1) 234 234 ** 866.550 - SF10BW125 (RX2) 235 235 236 -Gateway has below eight channels in IN865 bands. 237 237 238 -* 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 - 249 249 == 3.6 KZ865 == 250 250 251 - 252 252 * Uplink ~-~- 125Khz , DR0 - DR5 253 253 ** 865.1 254 254 ** 865.2 ... ... @@ -261,10 +261,8 @@ 261 261 ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz) 262 262 263 263 264 - 265 265 == 3.7 KR920-923 (KR920) == 266 266 267 - 268 268 * Default channel: 269 269 ** 922.1 - SF7BW125 to SF12BW125 270 270 ** 922.3 - SF7BW125 to SF12BW125 ... ... @@ -284,10 +284,8 @@ 284 284 ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 285 285 286 286 287 - 288 288 == 3.8 MA869 == 289 289 290 - 291 291 Country: Morroco 292 292 293 293 * Uplink: ... ... @@ -306,16 +306,13 @@ 306 306 ** 869.525 - SF12BW125 (RX2 downlink only) 307 307 308 308 309 - 310 310 == 3.9 US902-928 (US915) == 311 311 312 - 313 313 Used in USA, Canada and South America. 314 314 315 315 316 316 === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. === 317 317 318 - 319 319 Default use CHE=2, Subband 2 320 320 321 321 * Uplink: ... ... @@ -339,16 +339,17 @@ 339 339 ** 927.5 - SF7BW500 to SF12BW500 340 340 ** 923.3 - SF12BW500(RX2 downlink only) 341 341 342 - 343 - 344 344 === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] === 345 345 346 - 347 347 ((( 348 348 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. 349 349 ))) 350 350 351 351 ((( 312 + 313 +))) 314 + 315 +((( 352 352 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: 353 353 ))) 354 354 ... ... @@ -358,44 +358,10 @@ 358 358 * ((( 359 359 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) 360 360 361 - 362 362 363 363 ))) 364 364 365 365 = 4. Frequency Bands for different server = 366 366 367 - 368 368 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]] 369 369 * 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 -