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Last modified by Xiaoling on 2023/09/19 09:20
From version 87.12
edited by Xiaoling
on 2022/07/13 10:04
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To version 162.2
edited by Xiaoling
on 2023/06/05 15:32
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
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1 1  
2 2  
3 +**Table of Contents:**
4 +
3 3  {{toc/}}
4 4  
5 5  
... ... @@ -6,24 +6,50 @@
6 6  
7 7  = 1.  LA66 LoRaWAN Module =
8 8  
9 -
10 10  == 1.1  What is LA66 LoRaWAN Module ==
11 11  
12 12  
14 +(((
15 +(((
16 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 +)))
18 +
19 +(((
20 +
21 +)))
22 +
23 +(((
13 13  (% 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 +)))
14 14  
15 -(% 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.
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 +)))
16 16  
34 +(((
35 +(((
17 17  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
18 18  
39 +(((
19 19  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 +)))
20 20  
44 +(((
45 +(((
21 21  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 +)))
48 +)))
22 22  
23 23  
24 24  == 1.2  Features ==
25 25  
26 -* Support LoRaWAN v1.0.4 protocol
53 +
54 +* Support LoRaWAN v1.0.3 protocol
27 27  * Support peer-to-peer protocol
28 28  * TCXO crystal to ensure RF performance on low temperature
29 29  * SMD Antenna pad and i-pex antenna connector
... ... @@ -33,9 +33,9 @@
33 33  * Firmware upgradable via UART interface
34 34  * Ultra-long RF range
35 35  
36 -
37 37  == 1.3  Specification ==
38 38  
66 +
39 39  * CPU: 32-bit 48 MHz
40 40  * Flash: 256KB
41 41  * RAM: 64KB
... ... @@ -54,395 +54,172 @@
54 54  * LoRa Rx current: <9 mA
55 55  * I/O Voltage: 3.3v
56 56  
57 -
58 58  == 1.4  AT Command ==
59 59  
60 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
61 61  
88 +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]].
62 62  
90 +
63 63  == 1.5  Dimension ==
64 64  
65 -[[image:image-20220517072526-1.png]]
66 66  
94 +[[image:image-20220718094750-3.png]]
67 67  
68 68  
69 69  == 1.6  Pin Mapping ==
70 70  
99 +[[image:image-20220720111850-1.png]]
71 71  
72 -[[image:image-20220523101537-1.png]]
73 73  
74 -
75 -
76 76  == 1.7  Land Pattern ==
77 77  
104 +
78 78  [[image:image-20220517072821-2.png]]
79 79  
80 80  
108 += 2.  FAQ =
81 81  
82 -= 2.  LA66 LoRaWAN Shield =
110 +== 2.1  Where to find examples of how to use LA66? ==
83 83  
84 84  
85 -== 2.1  Overview ==
113 +(% class="wikigeneratedid" %)
114 +Below products are made by LA66. User can use their examples as reference:
86 86  
87 -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.
116 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
117 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
88 88  
119 +== 2.2  How to Compile Source Code for LA66? ==
89 89  
90 -== 2.2  Features ==
91 91  
92 -* Arduino Shield base on LA66 LoRaWAN module
93 -* Support LoRaWAN v1.0.4 protocol
94 -* Support peer-to-peer protocol
95 -* TCXO crystal to ensure RF performance on low temperature
96 -* SMA connector
97 -* Available in different frequency LoRaWAN frequency bands.
98 -* World-wide unique OTAA keys.
99 -* AT Command via UART-TTL interface
100 -* Firmware upgradable via UART interface
101 -* Ultra-long RF range
122 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
102 102  
103 103  
104 -== 2.3  Specification ==
125 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
105 105  
106 -* CPU: 32-bit 48 MHz
107 -* Flash: 256KB
108 -* RAM: 64KB
109 -* Input Power Range: 1.8v ~~ 3.7v
110 -* Power Consumption: < 4uA.
111 -* Frequency Range: 150 MHz ~~ 960 MHz
112 -* Maximum Power +22 dBm constant RF output
113 -* High sensitivity: -148 dBm
114 -* Temperature:
115 -** Storage: -55 ~~ +125℃
116 -** Operating: -40 ~~ +85℃
117 -* Humidity:
118 -** Storage: 5 ~~ 95% (Non-Condensing)
119 -** Operating: 10 ~~ 95% (Non-Condensing)
120 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
121 -* LoRa Rx current: <9 mA
122 -* I/O Voltage: 3.3v
123 123  
128 +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.
124 124  
125 -== 2.4  Pin Mapping & LED ==
126 126  
131 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
127 127  
128 128  
129 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
134 +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]]
130 130  
131 131  
137 +== 2.5 How can i use J-LInk to debug LA66? ==
132 132  
133 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
134 134  
140 +(% style="color:#037691" %)**The steps are as follows:**
135 135  
136 136  
137 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
143 +(% style="color:blue" %)**1. Install J-Link software from**
138 138  
145 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
139 139  
140 140  
141 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
148 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
142 142  
143 143  
144 -=== 2.8.1  Items needed for update ===
151 +[[image:image-20230605151850-1.png]]
145 145  
146 -1. LA66 LoRaWAN Shield
147 -1. Arduino
148 -1. USB TO TTL Adapter
149 149  
150 -[[image:image-20220602100052-2.png||height="385" width="600"]]
154 +[[image:image-20230605151850-2.png]]
151 151  
152 152  
153 -=== 2.8.2  Connection ===
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
154 154  
159 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
155 155  
156 -[[image:image-20220602101311-3.png||height="276" width="600"]]
161 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
157 157  
163 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
158 158  
159 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
165 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
160 160  
161 -(% style="background-color:yellow" %)**GND  <-> GND
162 -TXD  <->  TXD
163 -RXD  <->  RXD**
167 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
164 164  
169 +(% style="display:none" %) (%%)
165 165  
166 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
171 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
167 167  
168 -Connect USB TTL Adapter to PC after connecting the wires
173 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
169 169  
170 170  
171 -[[image:image-20220602102240-4.png||height="304" width="600"]]
176 +(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
172 172  
178 +[[image:image-20230605152412-12.png]]
173 173  
174 -=== 2.8.3  Upgrade steps ===
175 175  
181 +[[image:image-20230605151851-6.png]]
176 176  
177 -==== 1.  Switch SW1 to put in ISP position ====
178 178  
184 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
179 179  
180 -[[image:image-20220602102824-5.png||height="306" width="600"]]
186 +[[image:image-20230605151851-7.png]]
181 181  
188 +[[image:image-20230605151851-8.png]]
182 182  
183 183  
184 -==== 2.  Press the RST switch once ====
191 +(% 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.**
185 185  
186 186  
187 -[[image:image-20220602104701-12.png||height="285" width="600"]]
194 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
188 188  
189 189  
197 +[[image:image-20230605151851-9.png]]
190 190  
191 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
192 192  
200 +(% style="color:blue" %)**Click Debug mode to debug.**
193 193  
194 -(% style="color:blue" %)**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/]]**
202 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
195 195  
196 196  
197 -[[image:image-20220602103227-6.png]]
205 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
198 198  
207 +(% style="display:none" %) (%%)
199 199  
200 -[[image:image-20220602103357-7.png]]
209 += 3.  Order Info =
201 201  
202 202  
212 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
203 203  
204 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
205 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
214 +(% style="color:blue" %)**XXX**(%%): The default frequency band
206 206  
216 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
217 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
218 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
219 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
220 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
221 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
222 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
223 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
224 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
207 207  
208 -[[image:image-20220602103844-8.png]]
226 += 4.  FCC Statement =
209 209  
210 210  
229 +(% style="color:red" %)**FCC Caution:**
211 211  
212 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
213 -(% style="color:blue" %)**3. Select the bin file to burn**
231 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
214 214  
233 +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.
215 215  
216 -[[image:image-20220602104144-9.png]]
217 217  
236 +(% style="color:red" %)**IMPORTANT NOTE: **
218 218  
219 -[[image:image-20220602104251-10.png]]
238 +(% 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:
220 220  
240 +—Reorient or relocate the receiving antenna.
221 221  
222 -[[image:image-20220602104402-11.png]]
242 +—Increase the separation between the equipment and receiver.
223 223  
244 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
224 224  
246 +—Consult the dealer or an experienced radio/TV technician for help.
225 225  
226 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
227 -(% style="color:blue" %)**4. Click to start the download**
228 228  
229 -[[image:image-20220602104923-13.png]]
249 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
230 230  
251 +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.
231 231  
232 -
233 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 -(% style="color:blue" %)**5. Check update process**
235 -
236 -
237 -[[image:image-20220602104948-14.png]]
238 -
239 -
240 -
241 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 -(% style="color:blue" %)**The following picture shows that the burning is successful**
243 -
244 -[[image:image-20220602105251-15.png]]
245 -
246 -
247 -
248 -= 3.  LA66 USB LoRaWAN Adapter =
249 -
250 -
251 -== 3.1  Overview ==
252 -
253 -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.
254 -
255 -
256 -== 3.2  Features ==
257 -
258 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
259 -* Ultra-long RF range
260 -* Support LoRaWAN v1.0.4 protocol
261 -* Support peer-to-peer protocol
262 -* TCXO crystal to ensure RF performance on low temperature
263 -* Spring RF antenna
264 -* Available in different frequency LoRaWAN frequency bands.
265 -* World-wide unique OTAA keys.
266 -* AT Command via UART-TTL interface
267 -* Firmware upgradable via UART interface
268 -
269 -
270 -== 3.3  Specification ==
271 -
272 -* CPU: 32-bit 48 MHz
273 -* Flash: 256KB
274 -* RAM: 64KB
275 -* Input Power Range: 5v
276 -* Frequency Range: 150 MHz ~~ 960 MHz
277 -* Maximum Power +22 dBm constant RF output
278 -* High sensitivity: -148 dBm
279 -* Temperature:
280 -** Storage: -55 ~~ +125℃
281 -** Operating: -40 ~~ +85℃
282 -* Humidity:
283 -** Storage: 5 ~~ 95% (Non-Condensing)
284 -** Operating: 10 ~~ 95% (Non-Condensing)
285 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286 -* LoRa Rx current: <9 mA
287 -
288 -
289 -== 3.4  Pin Mapping & LED ==
290 -
291 -
292 -
293 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
294 -
295 -
296 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
297 -
298 -
299 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
300 -
301 -
302 -[[image:image-20220602171217-1.png||height="538" width="800"]]
303 -
304 -
305 -Open the serial port tool
306 -
307 -[[image:image-20220602161617-8.png]]
308 -
309 -[[image:image-20220602161718-9.png||height="457" width="800"]]
310 -
311 -
312 -
313 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
314 -
315 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
316 -
317 -
318 -[[image:image-20220602161935-10.png||height="498" width="800"]]
319 -
320 -
321 -
322 -(% style="color:blue" %)**3. See Uplink Command**
323 -
324 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
325 -
326 -example: AT+SENDB=01,02,8,05820802581ea0a5
327 -
328 -[[image:image-20220602162157-11.png||height="497" width="800"]]
329 -
330 -
331 -
332 -(% style="color:blue" %)**4. Check to see if TTN received the message**
333 -
334 -[[image:image-20220602162331-12.png||height="420" width="800"]]
335 -
336 -
337 -
338 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
339 -
340 -
341 -**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
342 -
343 -
344 -(% style="color:red" %)**Preconditions:**
345 -
346 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
347 -
348 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
349 -
350 -
351 -
352 -(% style="color:blue" %)**Steps for usage:**
353 -
354 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
355 -
356 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
357 -
358 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
359 -
360 -
361 -
362 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
363 -
364 -
365 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
366 -
367 -
368 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
369 -
370 -[[image:image-20220602171233-2.png||height="538" width="800"]]
371 -
372 -
373 -
374 -(% style="color:blue" %)**2. Install Minicom in RPi.**
375 -
376 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
377 -
378 - (% style="background-color:yellow" %)**apt update**
379 -
380 - (% style="background-color:yellow" %)**apt install minicom**
381 -
382 -
383 -Use minicom to connect to the RPI's terminal
384 -
385 -[[image:image-20220602153146-3.png||height="439" width="500"]]
386 -
387 -
388 -
389 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
390 -
391 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
392 -
393 -
394 -[[image:image-20220602154928-5.png||height="436" width="500"]]
395 -
396 -
397 -
398 -(% style="color:blue" %)**4. Send Uplink message**
399 -
400 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
401 -
402 -example: AT+SENDB=01,02,8,05820802581ea0a5
403 -
404 -
405 -[[image:image-20220602160339-6.png||height="517" width="600"]]
406 -
407 -
408 -
409 -Check to see if TTN received the message
410 -
411 -[[image:image-20220602160627-7.png||height="369" width="800"]]
412 -
413 -
414 -
415 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
416 -
417 -
418 -
419 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
420 -
421 -
422 -
423 -
424 -= 4.  Order Info =
425 -
426 -
427 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
428 -
429 -
430 -(% style="color:blue" %)**XXX**(%%): The default frequency band
431 -
432 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
433 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
434 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
435 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
436 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
437 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
438 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
439 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
440 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
441 -
442 -
443 -
444 -= 5.  Reference =
445 -
446 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
447 -
448 448  
image-20220715000242-1.png
Author
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