Changes for page End Device Frequency Band
Last modified by Edwin Chen on 2024/10/21 20:35
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -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. ... ... @@ -13,7 +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 17 = 2. OTAA Join Behaviour = 18 18 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. ... ... @@ -25,7 +25,6 @@ 25 25 * EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop 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 - 29 29 = 3. Default Frequency Bands = 30 30 31 31 ... ... @@ -42,6 +42,7 @@ 42 42 ))) 43 43 44 44 40 + 45 45 === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) === 46 46 47 47 * Default Uplink channel: ... ... @@ -69,8 +69,6 @@ 69 69 ** Uplink channels 1-8 (RX1) 70 70 ** 923.2 - SF10BW125 (RX2) 71 71 72 - 73 - 74 74 === 3.1.3 AS923-2 === 75 75 76 76 * Default Uplink channel: ... ... @@ -83,8 +83,6 @@ 83 83 ** Uplink channels 1-8 (RX1) 84 84 ** 921.4 - SF10BW125 (RX2) 85 85 86 - 87 - 88 88 === 3.1.4 AS923-3 === 89 89 90 90 * Default Uplink channel: ... ... @@ -97,8 +97,6 @@ 97 97 ** Uplink channels 1-8 (RX1) 98 98 ** 916.6 - SF10BW125 (RX2) 99 99 100 - 101 - 102 102 === 3.1.5 AS923-4 === 103 103 104 104 * Countries : Israel ... ... @@ -111,8 +111,6 @@ 111 111 ** Uplink channels 1-8 (RX1) 112 112 ** 917.3 - SF10BW125 (RX2) 113 113 114 - 115 - 116 116 == 3.2 AU915-928(AU915) == 117 117 118 118 **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2 ... ... @@ -138,29 +138,15 @@ 138 138 ** 927.5 - SF7BW500 to SF12BW500 139 139 ** 923.3 - SF12BW500(RX2 downlink only) 140 140 141 -((( 142 142 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. 143 -))) 144 144 145 - 146 -((( 147 147 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. 148 -))) 149 149 150 - 151 -((( 152 152 After Join success, the end node will switch to the correct sub band by: 153 -))) 154 154 155 -* ((( 156 -Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 157 -))) 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) 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) 160 160 161 - 162 -))) 163 - 164 164 == 3.3 CN470-510 (CN470) == 165 165 166 166 Used in China, Default use CHE=1 ... ... @@ -186,8 +186,6 @@ 186 186 ** 508.1 - SF7BW125 to SF12BW125 187 187 ** 505.3 - SF12BW125 (RX2 downlink only) 188 188 189 - 190 - 191 191 == 3.4 EU863-870 (EU868) == 192 192 193 193 * Uplink: ... ... @@ -219,8 +219,6 @@ 219 219 ** Uplink channels 1-3 (RX1) 220 220 ** 866.550 - SF10BW125 (RX2) 221 221 222 - 223 - 224 224 == 3.6 KZ865 == 225 225 226 226 * Uplink ~-~- 125Khz , DR0 - DR5 ... ... @@ -234,8 +234,6 @@ 234 234 ** The RX1 receive window uses the same channel as the preceding uplink. 235 235 ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz) 236 236 237 - 238 - 239 239 == 3.7 KR920-923 (KR920) == 240 240 241 241 * Default channel: ... ... @@ -256,12 +256,8 @@ 256 256 ** Uplink channels 1-7(RX1) 257 257 ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 258 258 259 - 260 - 261 261 == 3.8 MA869 == 262 262 263 - Country: Morroco 264 - 265 265 * Uplink: 266 266 ** 869.1 - SF7BW125 to SF12BW125 267 267 ** 869.3 - SF7BW125 to SF12BW125 ... ... @@ -277,13 +277,10 @@ 277 277 ** Uplink channels 1-9 (RX1) 278 278 ** 869.525 - SF12BW125 (RX2 downlink only) 279 279 280 - 281 - 282 282 == 3.9 US902-928 (US915) == 283 283 284 284 Used in USA, Canada and South America. 285 285 286 - 287 287 === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. === 288 288 289 289 Default use CHE=2, Subband 2 ... ... @@ -311,27 +311,13 @@ 311 311 312 312 === 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]]