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Last modified by Xiaoling on 2023/09/19 09:20
From version 87.13
edited by Xiaoling
on 2022/07/13 10:05
Change comment: There is no comment for this version
To version 162.6
edited by Xiaoling
on 2023/09/19 09:20
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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8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 -
12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
14 +(((
15 +(((
16 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 +)))
18 +
19 +(((
20 +
21 +)))
22 +
23 +(((
15 15  (% 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 +)))
16 16  
17 -(% 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 +)))
18 18  
34 +(((
35 +(((
19 19  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
20 20  
39 +(((
21 21  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 +)))
22 22  
44 +(((
45 +(((
23 23  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 +)))
48 +)))
24 24  
25 25  
26 26  == 1.2  Features ==
27 27  
28 -* Support LoRaWAN v1.0.4 protocol
53 +
54 +* Support LoRaWAN v1.0.3 protocol
29 29  * Support peer-to-peer protocol
30 30  * TCXO crystal to ensure RF performance on low temperature
31 31  * SMD Antenna pad and i-pex antenna connector
... ... @@ -35,9 +35,9 @@
35 35  * Firmware upgradable via UART interface
36 36  * Ultra-long RF range
37 37  
38 -
39 39  == 1.3  Specification ==
40 40  
66 +
41 41  * CPU: 32-bit 48 MHz
42 42  * Flash: 256KB
43 43  * RAM: 64KB
... ... @@ -56,395 +56,174 @@
56 56  * LoRa Rx current: <9 mA
57 57  * I/O Voltage: 3.3v
58 58  
59 -
60 60  == 1.4  AT Command ==
61 61  
62 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
63 63  
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/scl/fi/3mll5vn9wd446wuk7fwtn/LA66-AT-commands.pdf?rlkey=webesgp6himl162wnx7xssqa1&dl=0]].
64 64  
65 65  == 1.5  Dimension ==
66 66  
67 -[[image:image-20220517072526-1.png]]
68 68  
93 +[[image:image-20220718094750-3.png]]
69 69  
70 70  
71 71  == 1.6  Pin Mapping ==
72 72  
98 +[[image:image-20220720111850-1.png]]
73 73  
74 -[[image:image-20220523101537-1.png]]
75 75  
76 -
77 -
78 78  == 1.7  Land Pattern ==
79 79  
103 +
80 80  [[image:image-20220517072821-2.png]]
81 81  
82 82  
107 += 2.  FAQ =
83 83  
84 -= 2.  LA66 LoRaWAN Shield =
109 +== 2.1  Where to find examples of how to use LA66? ==
85 85  
86 86  
87 -== 2.1  Overview ==
112 +(% class="wikigeneratedid" %)
113 +Below products are made by LA66. User can use their examples as reference:
88 88  
89 -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.
115 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
116 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
90 90  
118 +== 2.2  How to Compile Source Code for LA66? ==
91 91  
92 -== 2.2  Features ==
93 93  
94 -* Arduino Shield base on LA66 LoRaWAN module
95 -* Support LoRaWAN v1.0.4 protocol
96 -* Support peer-to-peer protocol
97 -* TCXO crystal to ensure RF performance on low temperature
98 -* SMA connector
99 -* Available in different frequency LoRaWAN frequency bands.
100 -* World-wide unique OTAA keys.
101 -* AT Command via UART-TTL interface
102 -* Firmware upgradable via UART interface
103 -* Ultra-long RF range
121 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
104 104  
105 105  
106 -== 2.3  Specification ==
124 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
107 107  
108 -* CPU: 32-bit 48 MHz
109 -* Flash: 256KB
110 -* RAM: 64KB
111 -* Input Power Range: 1.8v ~~ 3.7v
112 -* Power Consumption: < 4uA.
113 -* Frequency Range: 150 MHz ~~ 960 MHz
114 -* Maximum Power +22 dBm constant RF output
115 -* High sensitivity: -148 dBm
116 -* Temperature:
117 -** Storage: -55 ~~ +125℃
118 -** Operating: -40 ~~ +85℃
119 -* Humidity:
120 -** Storage: 5 ~~ 95% (Non-Condensing)
121 -** Operating: 10 ~~ 95% (Non-Condensing)
122 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
123 -* LoRa Rx current: <9 mA
124 -* I/O Voltage: 3.3v
125 125  
127 +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.
126 126  
127 -== 2.4  Pin Mapping & LED ==
128 128  
130 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
129 129  
130 130  
131 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
133 +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]]
132 132  
133 133  
136 +== 2.5 How can i use J-LInk to debug LA66? ==
134 134  
135 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
136 136  
139 +(% style="color:#037691" %)**The steps are as follows:**
137 137  
138 138  
139 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
142 +(% style="color:blue" %)**1. Install J-Link software from**
140 140  
144 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
141 141  
142 142  
143 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
147 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
144 144  
145 145  
146 -=== 2.8.1  Items needed for update ===
150 +[[image:image-20230605151850-1.png||height="676" width="640"]]
147 147  
148 -1. LA66 LoRaWAN Shield
149 -1. Arduino
150 -1. USB TO TTL Adapter
151 151  
152 -[[image:image-20220602100052-2.png||height="385" width="600"]]
153 +[[image:image-20230605151850-2.png]]
153 153  
155 +(% style="display:none" %) (%%)
154 154  
155 -=== 2.8.2  Connection ===
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
156 156  
157 157  
158 -[[image:image-20220602101311-3.png||height="276" width="600"]]
160 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
159 159  
162 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
160 160  
161 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
164 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
162 162  
163 -(% style="background-color:yellow" %)**GND  <-> GND
164 -TXD  <->  TXD
165 -RXD  <->  RXD**
166 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
166 166  
168 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
167 167  
168 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
170 +(% style="display:none" %) (%%)
169 169  
170 -Connect USB TTL Adapter to PC after connecting the wires
172 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
171 171  
174 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
172 172  
173 -[[image:image-20220602102240-4.png||height="304" width="600"]]
174 174  
177 +**Add ASR6601 256KB Flash to Flash Download**
175 175  
176 -=== 2.8.3  Upgrade steps ===
179 +[[image:image-20230605152412-12.png]]
177 177  
178 178  
179 -==== 1.  Switch SW1 to put in ISP position ====
182 +[[image:image-20230605151851-6.png]]
180 180  
181 181  
182 -[[image:image-20220602102824-5.png||height="306" width="600"]]
185 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
183 183  
184 184  
188 +[[image:image-20230605151851-7.png]]
185 185  
186 -==== 2.  Press the RST switch once ====
190 +[[image:image-20230605151851-8.png]]
187 187  
188 188  
189 -[[image:image-20220602104701-12.png||height="285" width="600"]]
193 +(% 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.**
190 190  
191 191  
196 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
192 192  
193 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
194 194  
199 +[[image:image-20230605151851-9.png]]
195 195  
196 -(% 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/]]**
197 197  
202 +(% style="color:blue" %)**Click Debug mode to debug.**
198 198  
199 -[[image:image-20220602103227-6.png]]
204 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
200 200  
201 201  
202 -[[image:image-20220602103357-7.png]]
207 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
203 203  
209 +(% style="display:none" %) (%%)
204 204  
211 += 3.  Order Info =
205 205  
206 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
208 208  
214 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
209 209  
210 -[[image:image-20220602103844-8.png]]
216 +(% style="color:blue" %)**XXX**(%%): The default frequency band
211 211  
218 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
219 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
220 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
221 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
222 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
223 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
224 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
225 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
226 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
212 212  
228 += 4.  FCC Statement =
213 213  
214 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 -(% style="color:blue" %)**3. Select the bin file to burn**
216 216  
231 +(% style="color:red" %)**FCC Caution:**
217 217  
218 -[[image:image-20220602104144-9.png]]
233 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
219 219  
235 +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.
220 220  
221 -[[image:image-20220602104251-10.png]]
222 222  
238 +(% style="color:red" %)**IMPORTANT NOTE: **
223 223  
224 -[[image:image-20220602104402-11.png]]
240 +(% 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:
225 225  
242 +—Reorient or relocate the receiving antenna.
226 226  
244 +—Increase the separation between the equipment and receiver.
227 227  
228 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 -(% style="color:blue" %)**4. Click to start the download**
246 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
230 230  
231 -[[image:image-20220602104923-13.png]]
248 +—Consult the dealer or an experienced radio/TV technician for help.
232 232  
233 233  
251 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
234 234  
235 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236 -(% style="color:blue" %)**5. Check update process**
253 +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.
237 237  
238 -
239 -[[image:image-20220602104948-14.png]]
240 -
241 -
242 -
243 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
244 -(% style="color:blue" %)**The following picture shows that the burning is successful**
245 -
246 -[[image:image-20220602105251-15.png]]
247 -
248 -
249 -
250 -= 3.  LA66 USB LoRaWAN Adapter =
251 -
252 -
253 -== 3.1  Overview ==
254 -
255 -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.
256 -
257 -
258 -== 3.2  Features ==
259 -
260 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
261 -* Ultra-long RF range
262 -* Support LoRaWAN v1.0.4 protocol
263 -* Support peer-to-peer protocol
264 -* TCXO crystal to ensure RF performance on low temperature
265 -* Spring RF antenna
266 -* Available in different frequency LoRaWAN frequency bands.
267 -* World-wide unique OTAA keys.
268 -* AT Command via UART-TTL interface
269 -* Firmware upgradable via UART interface
270 -
271 -
272 -== 3.3  Specification ==
273 -
274 -* CPU: 32-bit 48 MHz
275 -* Flash: 256KB
276 -* RAM: 64KB
277 -* Input Power Range: 5v
278 -* Frequency Range: 150 MHz ~~ 960 MHz
279 -* Maximum Power +22 dBm constant RF output
280 -* High sensitivity: -148 dBm
281 -* Temperature:
282 -** Storage: -55 ~~ +125℃
283 -** Operating: -40 ~~ +85℃
284 -* Humidity:
285 -** Storage: 5 ~~ 95% (Non-Condensing)
286 -** Operating: 10 ~~ 95% (Non-Condensing)
287 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
288 -* LoRa Rx current: <9 mA
289 -
290 -
291 -== 3.4  Pin Mapping & LED ==
292 -
293 -
294 -
295 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
296 -
297 -
298 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
299 -
300 -
301 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
302 -
303 -
304 -[[image:image-20220602171217-1.png||height="538" width="800"]]
305 -
306 -
307 -Open the serial port tool
308 -
309 -[[image:image-20220602161617-8.png]]
310 -
311 -[[image:image-20220602161718-9.png||height="457" width="800"]]
312 -
313 -
314 -
315 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
316 -
317 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
318 -
319 -
320 -[[image:image-20220602161935-10.png||height="498" width="800"]]
321 -
322 -
323 -
324 -(% style="color:blue" %)**3. See Uplink Command**
325 -
326 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
327 -
328 -example: AT+SENDB=01,02,8,05820802581ea0a5
329 -
330 -[[image:image-20220602162157-11.png||height="497" width="800"]]
331 -
332 -
333 -
334 -(% style="color:blue" %)**4. Check to see if TTN received the message**
335 -
336 -[[image:image-20220602162331-12.png||height="420" width="800"]]
337 -
338 -
339 -
340 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
341 -
342 -
343 -**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]]
344 -
345 -
346 -(% style="color:red" %)**Preconditions:**
347 -
348 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
349 -
350 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
351 -
352 -
353 -
354 -(% style="color:blue" %)**Steps for usage:**
355 -
356 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
357 -
358 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
359 -
360 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
361 -
362 -
363 -
364 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
365 -
366 -
367 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
368 -
369 -
370 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
371 -
372 -[[image:image-20220602171233-2.png||height="538" width="800"]]
373 -
374 -
375 -
376 -(% style="color:blue" %)**2. Install Minicom in RPi.**
377 -
378 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
379 -
380 - (% style="background-color:yellow" %)**apt update**
381 -
382 - (% style="background-color:yellow" %)**apt install minicom**
383 -
384 -
385 -Use minicom to connect to the RPI's terminal
386 -
387 -[[image:image-20220602153146-3.png||height="439" width="500"]]
388 -
389 -
390 -
391 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
392 -
393 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
394 -
395 -
396 -[[image:image-20220602154928-5.png||height="436" width="500"]]
397 -
398 -
399 -
400 -(% style="color:blue" %)**4. Send Uplink message**
401 -
402 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
403 -
404 -example: AT+SENDB=01,02,8,05820802581ea0a5
405 -
406 -
407 -[[image:image-20220602160339-6.png||height="517" width="600"]]
408 -
409 -
410 -
411 -Check to see if TTN received the message
412 -
413 -[[image:image-20220602160627-7.png||height="369" width="800"]]
414 -
415 -
416 -
417 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
418 -
419 -
420 -
421 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
422 -
423 -
424 -
425 -
426 -= 4.  Order Info =
427 -
428 -
429 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
430 -
431 -
432 -(% style="color:blue" %)**XXX**(%%): The default frequency band
433 -
434 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
435 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
436 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
437 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
438 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
439 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
440 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
441 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
442 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
443 -
444 -
445 -
446 -= 5.  Reference =
447 -
448 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
449 -
450 450  
image-20220715000242-1.png
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