Changes for page End Device Frequency Band
Last modified by Edwin Chen on 2024/10/21 20:35
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... ... @@ -1,11 +1,8 @@ 1 1 (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %) 2 - **Contents：**2 + 3 3 4 4 {{toc/}} 5 5 6 - 7 - 8 - 9 9 = 1. Introduction = 10 10 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. ... ... @@ -13,8 +13,6 @@ 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 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 - 17 - 18 18 = 2. OTAA Join Behaviour = 19 19 20 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. ... ... @@ -26,8 +26,6 @@ 26 26 * EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop 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 - 30 - 31 31 = 3. Default Frequency Bands = 32 32 33 33 ... ... @@ -44,6 +44,7 @@ 44 44 ))) 45 45 46 46 40 + 47 47 === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) === 48 48 49 49 * Default Uplink channel: ... ... @@ -71,7 +71,6 @@ 71 71 ** Uplink channels 1-8 (RX1) 72 72 ** 923.2 - SF10BW125 (RX2) 73 73 74 - 75 75 === 3.1.3 AS923-2 === 76 76 77 77 * Default Uplink channel: ... ... @@ -84,7 +84,6 @@ 84 84 ** Uplink channels 1-8 (RX1) 85 85 ** 921.4 - SF10BW125 (RX2) 86 86 87 - 88 88 === 3.1.4 AS923-3 === 89 89 90 90 * Default Uplink channel: ... ... @@ -97,7 +97,6 @@ 97 97 ** Uplink channels 1-8 (RX1) 98 98 ** 916.6 - SF10BW125 (RX2) 99 99 100 - 101 101 === 3.1.5 AS923-4 === 102 102 103 103 * Countries : Israel ... ... @@ -110,7 +110,6 @@ 110 110 ** Uplink channels 1-8 (RX1) 111 111 ** 917.3 - SF10BW125 (RX2) 112 112 113 - 114 114 == 3.2 AU915-928(AU915) == 115 115 116 116 **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2 ... ... @@ -136,29 +136,15 @@ 136 136 ** 927.5 - SF7BW500 to SF12BW500 137 137 ** 923.3 - SF12BW500(RX2 downlink only) 138 138 139 -((( 140 140 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. 141 -))) 142 142 143 - 144 -((( 145 145 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. 146 -))) 147 147 148 - 149 -((( 150 150 After Join success, the end node will switch to the correct sub band by: 151 -))) 152 152 153 -* ((( 154 -Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 155 -))) 156 -* ((( 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) 135 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 136 +* 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) 158 158 159 - 160 -))) 161 - 162 162 == 3.3 CN470-510 (CN470) == 163 163 164 164 Used in China, Default use CHE=1 ... ... @@ -184,8 +184,6 @@ 184 184 ** 508.1 - SF7BW125 to SF12BW125 185 185 ** 505.3 - SF12BW125 (RX2 downlink only) 186 186 187 - 188 - 189 189 == 3.4 EU863-870 (EU868) == 190 190 191 191 * Uplink: ... ... @@ -217,8 +217,6 @@ 217 217 ** Uplink channels 1-3 (RX1) 218 218 ** 866.550 - SF10BW125 (RX2) 219 219 220 - 221 - 222 222 == 3.6 KZ865 == 223 223 224 224 * Uplink ~-~- 125Khz , DR0 - DR5 ... ... @@ -232,8 +232,6 @@ 232 232 ** The RX1 receive window uses the same channel as the preceding uplink. 233 233 ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz) 234 234 235 - 236 - 237 237 == 3.7 KR920-923 (KR920) == 238 238 239 239 * Default channel: ... ... @@ -254,12 +254,8 @@ 254 254 ** Uplink channels 1-7(RX1) 255 255 ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 256 256 257 - 258 - 259 259 == 3.8 MA869 == 260 260 261 - Country: Morroco 262 - 263 263 * Uplink: 264 264 ** 869.1 - SF7BW125 to SF12BW125 265 265 ** 869.3 - SF7BW125 to SF12BW125 ... ... @@ -275,13 +275,10 @@ 275 275 ** Uplink channels 1-9 (RX1) 276 276 ** 869.525 - SF12BW125 (RX2 downlink only) 277 277 278 - 279 - 280 280 == 3.9 US902-928 (US915) == 281 281 282 282 Used in USA, Canada and South America. 283 283 284 - 285 285 === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. === 286 286 287 287 Default use CHE=2, Subband 2 ... ... @@ -307,31 +307,15 @@ 307 307 ** 927.5 - SF7BW500 to SF12BW500 308 308 ** 923.3 - SF12BW500(RX2 downlink only) 309 309 310 - 311 - 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]] === 313 313 314 -((( 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 -))) 317 317 318 -((( 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 -))) 325 325 326 -* ((( 327 -Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband 328 -))) 329 -* ((( 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) 279 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband 280 +* 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) 331 331 332 - 333 -))) 334 - 335 335 = 4. Frequency Bands for different server = 336 336 337 337 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]