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. ... ... @@ -13,21 +13,15 @@ 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. 21 21 22 -((( 23 23 For 005 LoRaWAN Stack: 24 -))) 25 25 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 ... ... @@ -35,15 +35,12 @@ 35 35 36 36 === 3.1.1 Notice for AS923 Frequency Bands === 37 37 38 -((( 39 39 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. 40 -))) 41 41 42 -((( 43 43 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. 44 -))) 45 45 46 46 34 + 47 47 === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) === 48 48 49 49 * Default Uplink channel: ... ... @@ -71,8 +71,6 @@ 71 71 ** Uplink channels 1-8 (RX1) 72 72 ** 923.2 - SF10BW125 (RX2) 73 73 74 - 75 - 76 76 === 3.1.3 AS923-2 === 77 77 78 78 * Default Uplink channel: ... ... @@ -85,8 +85,6 @@ 85 85 ** Uplink channels 1-8 (RX1) 86 86 ** 921.4 - SF10BW125 (RX2) 87 87 88 - 89 - 90 90 === 3.1.4 AS923-3 === 91 91 92 92 * Default Uplink channel: ... ... @@ -99,8 +99,6 @@ 99 99 ** Uplink channels 1-8 (RX1) 100 100 ** 916.6 - SF10BW125 (RX2) 101 101 102 - 103 - 104 104 === 3.1.5 AS923-4 === 105 105 106 106 * Countries : Israel ... ... @@ -113,8 +113,6 @@ 113 113 ** Uplink channels 1-8 (RX1) 114 114 ** 917.3 - SF10BW125 (RX2) 115 115 116 - 117 - 118 118 == 3.2 AU915-928(AU915) == 119 119 120 120 **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2 ... ... @@ -140,29 +140,15 @@ 140 140 ** 927.5 - SF7BW500 to SF12BW500 141 141 ** 923.3 - SF12BW500(RX2 downlink only) 142 142 143 -((( 144 144 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. 145 -))) 146 146 147 - 148 -((( 149 149 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. 150 -))) 151 151 152 - 153 -((( 154 154 After Join success, the end node will switch to the correct sub band by: 155 -))) 156 156 157 -* ((( 158 -Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 159 -))) 160 -* ((( 161 -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) 129 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 130 +* 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) 162 162 163 - 164 -))) 165 - 166 166 == 3.3 CN470-510 (CN470) == 167 167 168 168 Used in China, Default use CHE=1 ... ... @@ -188,8 +188,6 @@ 188 188 ** 508.1 - SF7BW125 to SF12BW125 189 189 ** 505.3 - SF12BW125 (RX2 downlink only) 190 190 191 - 192 - 193 193 == 3.4 EU863-870 (EU868) == 194 194 195 195 * Uplink: ... ... @@ -221,8 +221,6 @@ 221 221 ** Uplink channels 1-3 (RX1) 222 222 ** 866.550 - SF10BW125 (RX2) 223 223 224 - 225 - 226 226 == 3.6 KZ865 == 227 227 228 228 * Uplink ~-~- 125Khz , DR0 - DR5 ... ... @@ -236,8 +236,6 @@ 236 236 ** The RX1 receive window uses the same channel as the preceding uplink. 237 237 ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz) 238 238 239 - 240 - 241 241 == 3.7 KR920-923 (KR920) == 242 242 243 243 * Default channel: ... ... @@ -260,8 +260,6 @@ 260 260 261 261 == 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 ... ... @@ -281,7 +281,6 @@ 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 ... ... @@ -309,27 +309,13 @@ 309 309 310 310 === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] === 311 311 312 -((( 313 313 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. 314 -))) 315 315 316 -((( 317 - 318 -))) 319 - 320 -((( 321 321 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: 322 -))) 323 323 324 -* ((( 325 -Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband 326 -))) 327 -* ((( 328 -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) 273 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband 274 +* 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) 329 329 330 - 331 -))) 332 - 333 333 = 4. Frequency Bands for different server = 334 334 335 335 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]