Changes for page End Device Frequency Band
Last modified by Edwin Chen on 2024/10/21 20:35
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... ... @@ -1,47 +1,55 @@ 1 1 (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %) 2 - 2 + **Table of** **Contents:** 3 3 4 - = Contents ~[[[hide>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20Frequency%20Band]]] =4 +{{toc/}} 5 5 6 -== Contents == 7 7 8 - ~[[[hide>>url:https://wiki.dragino.com/index.php/End_Device_Frequency_Band#]]] 9 9 10 -* [[1 Introduction>>url:https://wiki.dragino.com/index.php/End_Device_Frequency_Band#Introduction]] 11 11 12 -{{toc/}} 13 - 14 14 = 1. Introduction = 15 15 11 + 16 16 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. 17 17 18 18 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]] 19 19 * 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]] 20 20 17 + 18 + 21 21 = 2. OTAA Join Behaviour = 22 22 21 + 23 23 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. 24 24 24 +((( 25 25 For 005 LoRaWAN Stack: 26 +))) 26 26 27 27 * EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop 28 28 * 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 29 29 30 -= 3. Default Frequency Bands = 31 31 32 32 33 += 3. Default Frequency Bands = 34 + 33 33 == 3.1 AS923 == 34 34 35 35 === 3.1.1 Notice for AS923 Frequency Bands === 36 36 39 + 40 +((( 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. 42 +))) 38 38 44 +((( 39 39 AS923-1 use the same default uplink frequency as previous AS923 firmware. AS923-2 and AS923-3 are new with different default uplink frequency. User need to know exactly the frequency bands from the LoRaWAN server and choose the right firmware version for the end node. 46 +))) 40 40 41 41 42 - 43 43 === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) === 44 44 51 + 52 +* **Countries**: Malaysia, 45 45 * Default Uplink channel: 46 46 ** 923.2 - SF7BW125 to SF10BW125 47 47 ** 923.4 - SF7BW125 to SF10BW125 ... ... @@ -67,8 +67,11 @@ 67 67 ** Uplink channels 1-8 (RX1) 68 68 ** 923.2 - SF10BW125 (RX2) 69 69 78 + 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 ... ... @@ -79,8 +79,11 @@ 79 79 ** Uplink channels 1-8 (RX1) 80 80 ** 921.4 - SF10BW125 (RX2) 81 81 93 + 94 + 82 82 === 3.1.4 AS923-3 === 83 83 97 + 84 84 * Default Uplink channel: 85 85 ** 916.6 - SF7BW125 to SF10BW125 86 86 ** 916.8 - SF7BW125 to SF10BW125 ... ... @@ -91,8 +91,11 @@ 91 91 ** Uplink channels 1-8 (RX1) 92 92 ** 916.6 - SF10BW125 (RX2) 93 93 108 + 109 + 94 94 === 3.1.5 AS923-4 === 95 95 112 + 96 96 * Countries : Israel 97 97 * Default Uplink channel: 98 98 ** 917.3 - SF7BW125 to SF10BW125 ... ... @@ -103,8 +103,11 @@ 103 103 ** Uplink channels 1-8 (RX1) 104 104 ** 917.3 - SF10BW125 (RX2) 105 105 123 + 124 + 106 106 == 3.2 AU915-928(AU915) == 107 107 127 + 108 108 **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2 109 109 110 110 * Uplink: ... ... @@ -128,17 +128,33 @@ 128 128 ** 927.5 - SF7BW500 to SF12BW500 129 129 ** 923.3 - SF12BW500(RX2 downlink only) 130 130 151 +((( 131 131 There is a 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 works for the LoRaWAN server use sub-band2 , such as TTN. To solve this, user need to use a USB-TTL adapter to connect to the end node to manually set the sub-band which is very inconvinient. 153 +))) 132 132 155 + 156 +((( 133 133 So since **Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]**, To make sure the end node supports all sub band by default. In the OTAA Join process, 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. 158 +))) 134 134 160 + 161 +((( 135 135 After Join success, the end node will switch to the correct sub band by: 163 +))) 136 136 137 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 138 -* 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) 165 +* ((( 166 +Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 167 +))) 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) 139 139 171 + 172 + 173 +))) 174 + 140 140 == 3.3 CN470-510 (CN470) == 141 141 177 + 142 142 Used in China, Default use CHE=1 143 143 144 144 * Uplink: ... ... @@ -162,8 +162,11 @@ 162 162 ** 508.1 - SF7BW125 to SF12BW125 163 163 ** 505.3 - SF12BW125 (RX2 downlink only) 164 164 201 + 202 + 165 165 == 3.4 EU863-870 (EU868) == 166 166 205 + 167 167 * Uplink: 168 168 ** 868.1 - SF7BW125 to SF12BW125 169 169 ** 868.3 - SF7BW125 to SF12BW125 and SF7BW250 ... ... @@ -184,6 +184,7 @@ 184 184 185 185 == 3.5 IN865-867 (IN865) == 186 186 226 + 187 187 * Uplink: 188 188 ** 865.0625 - SF7BW125 to SF12BW125 189 189 ** 865.4025 - SF7BW125 to SF12BW125 ... ... @@ -193,8 +193,22 @@ 193 193 ** Uplink channels 1-3 (RX1) 194 194 ** 866.550 - SF10BW125 (RX2) 195 195 236 +Gateway has below eight channels in IN865 bands. 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 + 196 196 == 3.6 KZ865 == 197 197 251 + 198 198 * Uplink ~-~- 125Khz , DR0 - DR5 199 199 ** 865.1 200 200 ** 865.2 ... ... @@ -206,8 +206,11 @@ 206 206 ** The RX1 receive window uses the same channel as the preceding uplink. 207 207 ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz) 208 208 263 + 264 + 209 209 == 3.7 KR920-923 (KR920) == 210 210 267 + 211 211 * Default channel: 212 212 ** 922.1 - SF7BW125 to SF12BW125 213 213 ** 922.3 - SF7BW125 to SF12BW125 ... ... @@ -226,8 +226,13 @@ 226 226 ** Uplink channels 1-7(RX1) 227 227 ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 228 228 286 + 287 + 229 229 == 3.8 MA869 == 230 230 290 + 291 + Country: Morroco 292 + 231 231 * Uplink: 232 232 ** 869.1 - SF7BW125 to SF12BW125 233 233 ** 869.3 - SF7BW125 to SF12BW125 ... ... @@ -243,12 +243,17 @@ 243 243 ** Uplink channels 1-9 (RX1) 244 244 ** 869.525 - SF12BW125 (RX2 downlink only) 245 245 308 + 309 + 246 246 == 3.9 US902-928 (US915) == 247 247 312 + 248 248 Used in USA, Canada and South America. 249 249 315 + 250 250 === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. === 251 251 318 + 252 252 Default use CHE=2, Subband 2 253 253 254 254 * Uplink: ... ... @@ -272,16 +272,63 @@ 272 272 ** 927.5 - SF7BW500 to SF12BW500 273 273 ** 923.3 - SF12BW500(RX2 downlink only) 274 274 342 + 343 + 275 275 === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] === 276 276 346 + 347 +((( 277 277 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 +))) 278 278 351 +((( 279 279 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 +))) 280 280 281 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband 282 -* 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) 355 +* ((( 356 +Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband 357 +))) 358 +* ((( 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) 283 283 361 + 362 + 363 +))) 364 + 284 284 = 4. Frequency Bands for different server = 285 285 367 + 286 286 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]] 287 287 * 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 +