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Last modified by Xiaoling on 2023/09/19 09:20
From version 162.3
edited by Xiaoling
on 2023/06/05 15:35
Change comment: There is no comment for this version
To version 83.1
edited by Edwin Chen
on 2022/07/10 22:05
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 -
11 -== 1.1  What is LA66 LoRaWAN Module ==
12 -
13 -
14 -(((
15 -(((
16 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 -)))
18 -
19 -(((
20 -
21 -)))
22 -
23 -(((
24 24  (% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
25 -)))
26 -)))
27 27  
28 -(((
29 -(((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 -)))
32 -)))
11 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
33 33  
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 38  
39 -(((
40 40  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
41 -)))
42 -)))
43 43  
44 -(((
45 -(((
46 46  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 -)))
48 -)))
49 49  
50 50  
51 -== 1.2  Features ==
20 +== Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 57  * SMD Antenna pad and i-pex antenna connector
... ... @@ -61,11 +61,83 @@
61 61  * Firmware upgradable via UART interface
62 62  * Ultra-long RF range
63 63  
32 +== Specification ==
64 64  
34 +* CPU: 32-bit 48 MHz
35 +* Flash: 256KB
36 +* RAM: 64KB
37 +* Input Power Range: 1.8v ~~ 3.7v
38 +* Power Consumption: < 4uA.
39 +* Frequency Range: 150 MHz ~~ 960 MHz
40 +* Maximum Power +22 dBm constant RF output
41 +* High sensitivity: -148 dBm
42 +* Temperature:
43 +** Storage: -55 ~~ +125℃
44 +** Operating: -40 ~~ +85℃
45 +* Humidity:
46 +** Storage: 5 ~~ 95% (Non-Condensing)
47 +** Operating: 10 ~~ 95% (Non-Condensing)
48 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 +* LoRa Rx current: <9 mA
50 +* I/O Voltage: 3.3v
65 65  
66 -== 1.3  Specification ==
52 +== AT Command ==
67 67  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
68 68  
56 +
57 +== Dimension ==
58 +
59 +[[image:image-20220517072526-1.png]]
60 +
61 +
62 +== Pin Mapping ==
63 +
64 +[[image:image-20220523101537-1.png]]
65 +
66 +== Land Pattern ==
67 +
68 +[[image:image-20220517072821-2.png]]
69 +
70 +
71 +== Order Info ==
72 +
73 +Part Number: **LA66-XXX**
74 +
75 +**XX**: The default frequency band
76 +
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
86 +
87 += LA66 LoRaWAN Shield =
88 +
89 +== Overview ==
90 +
91 +LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
92 +
93 +
94 +== Features ==
95 +
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
106 +
107 +== Specification ==
108 +
69 69  * CPU: 32-bit 48 MHz
70 70  * Flash: 256KB
71 71  * RAM: 64KB
... ... @@ -84,179 +84,290 @@
84 84  * LoRa Rx current: <9 mA
85 85  * I/O Voltage: 3.3v
86 86  
127 +== Pin Mapping & LED ==
87 87  
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
88 88  
89 -== 1.4  AT Command ==
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
90 90  
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
91 91  
92 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
93 93  
137 +=== Items needed for update ===
94 94  
95 -== 1.5  Dimension ==
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
96 96  
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
97 97  
98 -[[image:image-20220718094750-3.png]]
99 99  
146 +=== Connection ===
100 100  
101 -== 1.6  Pin Mapping ==
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
102 102  
103 -[[image:image-20220720111850-1.png]]
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
104 104  
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
105 105  
106 -== 1.7  Land Pattern ==
157 +Connect USB TTL Adapter to PC after connecting the wires
107 107  
108 108  
109 -[[image:image-20220517072821-2.png]]
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
110 110  
111 111  
112 -= 2.  FAQ =
163 +=== Upgrade steps ===
113 113  
114 -== 2.1  Where to find examples of how to use LA66? ==
165 +==== Switch SW1 to put in ISP position ====
115 115  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
116 116  
117 -(% class="wikigeneratedid" %)
118 -Below products are made by LA66. User can use their examples as reference:
119 119  
120 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
121 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
170 +==== Press the RST switch once ====
122 122  
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
123 123  
124 124  
125 -== 2.2  How to Compile Source Code for LA66? ==
175 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
126 126  
177 +**~1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
127 127  
128 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
179 +[[image:image-20220602103227-6.png]]
129 129  
181 +[[image:image-20220602103357-7.png]]
130 130  
131 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
132 132  
184 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
185 +**2. Select the COM port corresponding to USB TTL**
133 133  
134 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
187 +[[image:image-20220602103844-8.png]]
135 135  
136 136  
137 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
190 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
191 +**3. Select the bin file to burn**
138 138  
193 +[[image:image-20220602104144-9.png]]
139 139  
140 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
195 +[[image:image-20220602104251-10.png]]
141 141  
197 +[[image:image-20220602104402-11.png]]
142 142  
143 -== 2.5 How can i use J-LInk to debug LA66? ==
144 144  
200 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
201 +**4. Click to start the download**
145 145  
146 -(% style="color:#037691" %)**The steps are as follows:**
203 +[[image:image-20220602104923-13.png]]
147 147  
148 148  
149 -(% style="color:blue" %)**1. Install J-Link software from**
206 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
207 +**5. Check update process**
150 150  
151 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
209 +[[image:image-20220602104948-14.png]]
152 152  
153 153  
154 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
212 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
213 +**The following picture shows that the burning is successful**
155 155  
215 +[[image:image-20220602105251-15.png]]
156 156  
157 -[[image:image-20230605151850-1.png]]
158 158  
218 +== Order Info ==
159 159  
160 -[[image:image-20230605151850-2.png]]
220 +Part Number: **LA66-LoRaWAN-Shield-XXX**
161 161  
222 +**XX**: The default frequency band
162 162  
163 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
224 +* **AS923**: LoRaWAN AS923 band
225 +* **AU915**: LoRaWAN AU915 band
226 +* **EU433**: LoRaWAN EU433 band
227 +* **EU868**: LoRaWAN EU868 band
228 +* **KR920**: LoRaWAN KR920 band
229 +* **US915**: LoRaWAN US915 band
230 +* **IN865**: LoRaWAN IN865 band
231 +* **CN470**: LoRaWAN CN470 band
232 +* **PP**: Peer to Peer LoRa Protocol
164 164  
165 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
234 +== Package Info ==
166 166  
167 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
236 +* LA66 LoRaWAN Shield x 1
237 +* RF Antenna x 1
168 168  
169 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
239 += LA66 USB LoRaWAN Adapter =
170 170  
171 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
241 +== Overview ==
172 172  
173 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
243 +LA66 USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
174 174  
175 -(% style="display:none" %) (%%)
176 176  
177 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
246 +== Features ==
178 178  
179 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
248 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
249 +* Ultra-long RF range
250 +* Support LoRaWAN v1.0.4 protocol
251 +* Support peer-to-peer protocol
252 +* TCXO crystal to ensure RF performance on low temperature
253 +* Spring RF antenna
254 +* Available in different frequency LoRaWAN frequency bands.
255 +* World-wide unique OTAA keys.
256 +* AT Command via UART-TTL interface
257 +* Firmware upgradable via UART interface
180 180  
259 +== Specification ==
181 181  
182 -**Add ASR6601 256KB Flash to Flash Download**
261 +* CPU: 32-bit 48 MHz
262 +* Flash: 256KB
263 +* RAM: 64KB
264 +* Input Power Range: 5v
265 +* Frequency Range: 150 MHz ~~ 960 MHz
266 +* Maximum Power +22 dBm constant RF output
267 +* High sensitivity: -148 dBm
268 +* Temperature:
269 +** Storage: -55 ~~ +125℃
270 +** Operating: -40 ~~ +85℃
271 +* Humidity:
272 +** Storage: 5 ~~ 95% (Non-Condensing)
273 +** Operating: 10 ~~ 95% (Non-Condensing)
274 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
275 +* LoRa Rx current: <9 mA
183 183  
184 -[[image:image-20230605152412-12.png]]
277 +== Pin Mapping & LED ==
185 185  
279 +== Example Send & Get Messages via LoRaWAN in PC ==
186 186  
187 -[[image:image-20230605151851-6.png]]
281 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
188 188  
283 +~1. Connect the LA66 USB LoRaWAN adapter to PC
189 189  
190 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
285 +[[image:image-20220602171217-1.png||height="538" width="800"]]
191 191  
287 +Open the serial port tool
192 192  
193 -[[image:image-20230605151851-7.png]]
289 +[[image:image-20220602161617-8.png]]
194 194  
195 -[[image:image-20230605151851-8.png]]
291 +[[image:image-20220602161718-9.png||height="457" width="800"]]
196 196  
197 197  
198 -(% style="color:red" %)**Note: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn't support OTA update.**
294 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
199 199  
296 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
200 200  
201 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
298 +[[image:image-20220602161935-10.png||height="498" width="800"]]
202 202  
203 203  
204 -[[image:image-20230605151851-9.png]]
301 +3. See Uplink Command
205 205  
303 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
206 206  
207 -(% style="color:blue" %)**Click Debug mode to debug.**
305 +example: AT+SENDB=01,02,8,05820802581ea0a5
208 208  
209 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
307 +[[image:image-20220602162157-11.png||height="497" width="800"]]
210 210  
211 211  
212 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
310 +4. Check to see if TTN received the message
213 213  
214 -(% style="display:none" %) (%%)
312 +[[image:image-20220602162331-12.png||height="420" width="800"]]
215 215  
216 -= 3.  Order Info =
217 217  
218 218  
219 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
316 +== (% id="cke_bm_637361S" style="display:none" %) (%%)Example: Send PC's CPU/RAM usage to TTN via python ==
220 220  
221 -(% style="color:blue" %)**XXX**(%%): The default frequency band
318 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
319 +**Use python as an example：**
222 222  
223 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
224 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
225 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
226 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
227 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
228 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
229 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
230 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
231 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
321 +(% class="wikigeneratedid" id="HPreconditions:" %)
322 +**Preconditions:**
232 232  
324 +1.LA66 USB LoRaWAN Adapter works fine
233 233  
326 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
234 234  
235 -= 4.  FCC Statement =
328 +(% class="wikigeneratedid" id="HStepsforusage" %)
329 +**Steps for usage**
236 236  
331 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
237 237  
238 -(% style="color:red" %)**FCC Caution:**
333 +2.Run the python script in PC and see the TTN
239 239  
240 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
335 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
241 241  
242 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
243 243  
244 244  
245 -(% style="color:red" %)**IMPORTANT NOTE: **
339 +== Example Send & Get Messages via LoRaWAN in RPi ==
246 246  
247 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
341 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
248 248  
249 -—Reorient or relocate the receiving antenna.
343 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
250 250  
251 -—Increase the separation between the equipment and receiver.
345 +[[image:image-20220602171233-2.png||height="538" width="800"]]
252 252  
253 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
254 254  
255 -—Consult the dealer or an experienced radio/TV technician for help.
348 +2. Install Minicom in RPi.
256 256  
350 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
257 257  
258 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
352 +(% class="mark" %)apt update
259 259  
260 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
354 +(% class="mark" %)apt install minicom
261 261  
356 +
357 +Use minicom to connect to the RPI's terminal
358 +
359 +[[image:image-20220602153146-3.png||height="439" width="500"]]
360 +
361 +
362 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
363 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
364 +
365 +[[image:image-20220602154928-5.png||height="436" width="500"]]
366 +
367 +
368 +4. Send Uplink message
369 +
370 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
371 +
372 +example: AT+SENDB=01,02,8,05820802581ea0a5
373 +
374 +[[image:image-20220602160339-6.png||height="517" width="600"]]
375 +
376 +Check to see if TTN received the message
377 +
378 +[[image:image-20220602160627-7.png||height="369" width="800"]]
379 +
380 +
381 +
382 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
383 +
384 +
385 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
386 +
387 +
388 +
389 +== Order Info ==
390 +
391 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
392 +
393 +**XX**: The default frequency band
394 +
395 +* **AS923**: LoRaWAN AS923 band
396 +* **AU915**: LoRaWAN AU915 band
397 +* **EU433**: LoRaWAN EU433 band
398 +* **EU868**: LoRaWAN EU868 band
399 +* **KR920**: LoRaWAN KR920 band
400 +* **US915**: LoRaWAN US915 band
401 +* **IN865**: LoRaWAN IN865 band
402 +* **CN470**: LoRaWAN CN470 band
403 +* **PP**: Peer to Peer LoRa Protocol
404 +
405 +== Package Info ==
406 +
407 +* LA66 USB LoRaWAN Adapter x 1
408 +
409 += Reference =
410 +
411 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
412 +
262 262  
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