Changes for page End Device Frequency Band

Last modified by Edwin Chen on 2024/10/21 20:35
<
From version < 3.1 >
edited by Xiaoling
on 2022/05/10 14:17
To version < 10.1 >
edited by Xiaoling
on 2022/05/30 10:39
>
Change comment: There is no comment for this version

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1 1  (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2 -
2 + **Contents：**
3 3  
4 -(% class="wikigeneratedid" id="HContents" %)
5 -Contents
4 +{{toc/}}
6 6  
7 - ~[[[hide>>url:https://wiki.dragino.com/index.php/End_Device_Frequency_Band#]]]
8 8  
9 -{{toc/}}
10 10  
8 +
11 11  = 1. Introduction =
12 12  
13 13  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.
... ... @@ -15,15 +15,21 @@
15 15  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]
16 16  * 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]]
17 17  
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 +(((
22 22  For 005 LoRaWAN Stack:
24 +)))
23 23  
24 24  * EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop
25 25  * 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
26 26  
29 +
30 +
27 27  = 3. Default Frequency Bands =
28 28  
29 29  
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31 31  
32 32  === 3.1.1 Notice for AS923 Frequency Bands ===
33 33  
38 +(((
34 34  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 +)))
35 35  
42 +(((
36 36  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 +)))
37 37  
38 38  
39 -
40 40  === 3.1.2 AS920-923 & AS923-925 : AS923-1 (AS923) ===
41 41  
42 42  * Default Uplink channel:
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64 64  ** Uplink channels 1-8 (RX1)
65 65  ** 923.2 - SF10BW125 (RX2)
66 66  
74 +
67 67  === 3.1.3 AS923-2 ===
68 68  
69 69  * Default Uplink channel:
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76 76  ** Uplink channels 1-8 (RX1)
77 77  ** 921.4 - SF10BW125 (RX2)
78 78  
87 +
79 79  === 3.1.4 AS923-3 ===
80 80  
81 81  * Default Uplink channel:
... ... @@ -88,6 +88,7 @@
88 88  ** Uplink channels 1-8 (RX1)
89 89  ** 916.6 - SF10BW125 (RX2)
90 90  
100 +
91 91  === 3.1.5 AS923-4 ===
92 92  
93 93  * Countries : Israel
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100 100  ** Uplink channels 1-8 (RX1)
101 101  ** 917.3 - SF10BW125 (RX2)
102 102  
113 +
103 103  == 3.2 AU915-928(AU915) ==
104 104  
105 105  **Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]** , Default use CHE=2
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125 125  ** 927.5 - SF7BW500 to SF12BW500
126 126  ** 923.3 - SF12BW500(RX2 downlink only)
127 127  
139 +(((
128 128  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 +)))
129 129  
143 +
144 +(((
130 130  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 +)))
131 131  
148 +
149 +(((
132 132  After Join success, the end node will switch to the correct sub band by:
151 +)))
133 133  
134 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
135 -* 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)
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)
136 136  
159 +
160 +)))
161 +
137 137  == 3.3 CN470-510 (CN470) ==
138 138  
139 139  Used in China, Default use CHE=1
... ... @@ -159,6 +159,7 @@
159 159  ** 508.1 - SF7BW125 to SF12BW125
160 160  ** 505.3 - SF12BW125 (RX2 downlink only)
161 161  
187 +
162 162  == 3.4 EU863-870 (EU868) ==
163 163  
164 164  * Uplink:
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190 190  ** Uplink channels 1-3 (RX1)
191 191  ** 866.550 - SF10BW125 (RX2)
192 192  
219 +
193 193  == 3.6 KZ865 ==
194 194  
195 195  * Uplink ~-~- 125Khz , DR0 - DR5
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203 203  ** The RX1 receive window uses the same channel as the preceding uplink.
204 204  ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz)​
205 205  
233 +
206 206  == 3.7 KR920-923 (KR920) ==
207 207  
208 208  * Default channel:
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223 223  ** Uplink channels 1-7(RX1)
224 224  ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
225 225  
254 +
226 226  == 3.8 MA869 ==
227 227  
257 + Country: Morroco
258 +
228 228  * Uplink:
229 229  ** 869.1 - SF7BW125 to SF12BW125
230 230  ** 869.3 - SF7BW125 to SF12BW125
... ... @@ -240,10 +240,12 @@
240 240  ** Uplink channels 1-9 (RX1)
241 241  ** 869.525 - SF12BW125 (RX2 downlink only)
242 242  
274 +
243 243  == 3.9 US902-928 (US915) ==
244 244  
245 245  Used in USA, Canada and South America.
246 246  
279 +
247 247  === 3.9.1 Before [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]. ===
248 248  
249 249  Default use CHE=2, Subband 2
... ... @@ -271,13 +271,27 @@
271 271  
272 272  === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] ===
273 273  
307 +(((
274 274  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.
309 +)))
275 275  
311 +(((
312 +
313 +)))
314 +
315 +(((
276 276  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:
317 +)))
277 277  
278 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband
279 -* 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)
319 +* (((
320 +Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that subband
321 +)))
322 +* (((
323 +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)
280 280  
325 +
326 +)))
327 +
281 281  = 4. Frequency Bands for different server =
282 282  
283 283  * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]]

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