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Last modified by Xiaoling on 2023/09/19 09:20
From version 162.5
edited by Xiaoling
on 2023/09/18 16:35
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To version 105.1
edited by Herong Lu
on 2022/07/23 10:47
Change comment: Uploaded new attachment "image-20220723104754-4.png", version {1}

Summary

Details

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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.Lu
Content
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8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
... ... @@ -48,10 +48,10 @@
48 48  )))
49 49  
50 50  
52 +
51 51  == 1.2  Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
55 +* 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
... ... @@ -62,9 +62,9 @@
62 62  * Ultra-long RF range
63 63  
64 64  
66 +
65 65  == 1.3  Specification ==
66 66  
67 -
68 68  * CPU: 32-bit 48 MHz
69 69  * Flash: 256KB
70 70  * RAM: 64KB
... ... @@ -84,176 +84,464 @@
84 84  * I/O Voltage: 3.3v
85 85  
86 86  
88 +
87 87  == 1.4  AT Command ==
88 88  
89 89  
90 -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/s3i58dyuh2zpwxfzcks9d/Accuhealth-LA66-AT-commands.pdf?rlkey=059co9isdbddl1h1lb5gy93oy&dl=0]].
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.
91 91  
92 -== 1.5  Dimension ==
93 93  
94 94  
96 +== 1.5  Dimension ==
97 +
95 95  [[image:image-20220718094750-3.png]]
96 96  
97 97  
101 +
98 98  == 1.6  Pin Mapping ==
99 99  
100 100  [[image:image-20220720111850-1.png]]
101 101  
102 102  
107 +
103 103  == 1.7  Land Pattern ==
104 104  
105 -
106 106  [[image:image-20220517072821-2.png]]
107 107  
108 108  
109 -= 2.  FAQ =
110 110  
111 -== 2.1  Where to find examples of how to use LA66? ==
114 += 2.  LA66 LoRaWAN Shield =
112 112  
113 113  
114 -(% class="wikigeneratedid" %)
115 -Below products are made by LA66. User can use their examples as reference:
117 +== 2.1  Overview ==
116 116  
117 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
118 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
119 119  
120 +(((
121 +[[image:image-20220715000826-2.png||height="145" width="220"]]
122 +)))
120 120  
121 -== 2.2  How to Compile Source Code for LA66? ==
124 +(((
125 +
126 +)))
122 122  
128 +(((
129 +(% style="color:blue" %)**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.
130 +)))
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
132 +(((
133 +(((
134 +(% 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.
135 +)))
136 +)))
125 125  
138 +(((
139 +(((
140 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
141 +)))
142 +)))
126 126  
127 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
144 +(((
145 +(((
146 +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.
147 +)))
148 +)))
128 128  
150 +(((
151 +(((
152 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
153 +)))
154 +)))
129 129  
130 -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.
131 131  
132 132  
133 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
158 +== 2.2  Features ==
134 134  
160 +* Arduino Shield base on LA66 LoRaWAN module
161 +* Support LoRaWAN v1.0.4 protocol
162 +* Support peer-to-peer protocol
163 +* TCXO crystal to ensure RF performance on low temperature
164 +* SMA connector
165 +* Available in different frequency LoRaWAN frequency bands.
166 +* World-wide unique OTAA keys.
167 +* AT Command via UART-TTL interface
168 +* Firmware upgradable via UART interface
169 +* Ultra-long RF range
135 135  
136 -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]]
137 137  
138 138  
139 -== 2.5 How can i use J-LInk to debug LA66? ==
173 +== 2.3  Specification ==
140 140  
175 +* CPU: 32-bit 48 MHz
176 +* Flash: 256KB
177 +* RAM: 64KB
178 +* Input Power Range: 1.8v ~~ 3.7v
179 +* Power Consumption: < 4uA.
180 +* Frequency Range: 150 MHz ~~ 960 MHz
181 +* Maximum Power +22 dBm constant RF output
182 +* High sensitivity: -148 dBm
183 +* Temperature:
184 +** Storage: -55 ~~ +125℃
185 +** Operating: -40 ~~ +85℃
186 +* Humidity:
187 +** Storage: 5 ~~ 95% (Non-Condensing)
188 +** Operating: 10 ~~ 95% (Non-Condensing)
189 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 +* LoRa Rx current: <9 mA
191 +* I/O Voltage: 3.3v
141 141  
142 -(% style="color:#037691" %)**The steps are as follows:**
143 143  
144 144  
145 -(% style="color:blue" %)**1. Install J-Link software from**
195 +== 2.4  Pin Mapping & LED ==
146 146  
147 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
148 148  
149 149  
150 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
199 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
151 151  
152 152  
153 -[[image:image-20230605151850-1.png||height="676" width="640"]]
154 154  
203 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
155 155  
156 -[[image:image-20230605151850-2.png]]
157 157  
158 -(% style="display:none" %) (%%)
159 159  
160 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
207 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
161 161  
162 162  
163 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
164 164  
165 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
211 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
166 166  
167 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
168 168  
169 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
214 +=== 2.8.1  Items needed for update ===
170 170  
171 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
216 +1. LA66 LoRaWAN Shield
217 +1. Arduino
218 +1. USB TO TTL Adapter
172 172  
173 -(% style="display:none" %) (%%)
220 +[[image:image-20220602100052-2.png||height="385" width="600"]]
174 174  
175 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
176 176  
177 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
223 +=== 2.8.2  Connection ===
178 178  
179 179  
180 -**Add ASR6601 256KB Flash to Flash Download**
226 +[[image:image-20220602101311-3.png||height="276" width="600"]]
181 181  
182 -[[image:image-20230605152412-12.png]]
183 183  
229 +(((
230 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
231 +)))
184 184  
185 -[[image:image-20230605151851-6.png]]
233 +(((
234 +(% style="background-color:yellow" %)**GND  <-> GND
235 +TXD  <->  TXD
236 +RXD  <->  RXD**
237 +)))
186 186  
187 187  
188 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
240 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
189 189  
242 +Connect USB TTL Adapter to PC after connecting the wires
190 190  
191 -[[image:image-20230605151851-7.png]]
192 192  
193 -[[image:image-20230605151851-8.png]]
245 +[[image:image-20220602102240-4.png||height="304" width="600"]]
194 194  
195 195  
196 -(% 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.**
248 +=== 2.8.3  Upgrade steps ===
197 197  
198 198  
199 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
251 +==== 1.  Switch SW1 to put in ISP position ====
200 200  
201 201  
202 -[[image:image-20230605151851-9.png]]
254 +[[image:image-20220602102824-5.png||height="306" width="600"]]
203 203  
204 204  
205 -(% style="color:blue" %)**Click Debug mode to debug.**
206 206  
207 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
258 +==== 2.  Press the RST switch once ====
208 208  
209 209  
210 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
261 +[[image:image-20220602104701-12.png||height="285" width="600"]]
211 211  
212 -(% style="display:none" %) (%%)
213 213  
214 -= 3.  Order Info =
215 215  
265 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
216 216  
217 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
218 218  
219 -(% style="color:blue" %)**XXX**(%%): The default frequency band
268 +(((
269 +(% 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/]]**
270 +)))
220 220  
221 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
222 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
223 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
224 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
225 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
226 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
227 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
228 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
229 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
230 230  
273 +[[image:image-20220602103227-6.png]]
231 231  
232 -= 4.  FCC Statement =
233 233  
276 +[[image:image-20220602103357-7.png]]
234 234  
235 -(% style="color:red" %)**FCC Caution:**
236 236  
237 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
238 238  
239 -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.
280 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
281 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
240 240  
241 241  
242 -(% style="color:red" %)**IMPORTANT NOTE: **
284 +[[image:image-20220602103844-8.png]]
243 243  
244 -(% 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:
245 245  
246 -—Reorient or relocate the receiving antenna.
247 247  
248 -—Increase the separation between the equipment and receiver.
288 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
289 +(% style="color:blue" %)**3. Select the bin file to burn**
249 249  
250 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
251 251  
252 -—Consult the dealer or an experienced radio/TV technician for help.
292 +[[image:image-20220602104144-9.png]]
253 253  
254 254  
255 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
295 +[[image:image-20220602104251-10.png]]
256 256  
257 -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.
258 258  
259 -
298 +[[image:image-20220602104402-11.png]]
299 +
300 +
301 +
302 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
303 +(% style="color:blue" %)**4. Click to start the download**
304 +
305 +[[image:image-20220602104923-13.png]]
306 +
307 +
308 +
309 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
310 +(% style="color:blue" %)**5. Check update process**
311 +
312 +
313 +[[image:image-20220602104948-14.png]]
314 +
315 +
316 +
317 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
318 +(% style="color:blue" %)**The following picture shows that the burning is successful**
319 +
320 +[[image:image-20220602105251-15.png]]
321 +
322 +
323 +
324 += 3.  LA66 USB LoRaWAN Adapter =
325 +
326 +
327 +== 3.1  Overview ==
328 +
329 +
330 +[[image:image-20220715001142-3.png||height="145" width="220"]]
331 +
332 +
333 +(((
334 +(% style="color:blue" %)**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.
335 +)))
336 +
337 +(((
338 +(% 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.
339 +)))
340 +
341 +(((
342 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
343 +)))
344 +
345 +(((
346 +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.
347 +)))
348 +
349 +(((
350 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
351 +)))
352 +
353 +
354 +
355 +== 3.2  Features ==
356 +
357 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
358 +* Ultra-long RF range
359 +* Support LoRaWAN v1.0.4 protocol
360 +* Support peer-to-peer protocol
361 +* TCXO crystal to ensure RF performance on low temperature
362 +* Spring RF antenna
363 +* Available in different frequency LoRaWAN frequency bands.
364 +* World-wide unique OTAA keys.
365 +* AT Command via UART-TTL interface
366 +* Firmware upgradable via UART interface
367 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
368 +
369 +
370 +
371 +== 3.3  Specification ==
372 +
373 +* CPU: 32-bit 48 MHz
374 +* Flash: 256KB
375 +* RAM: 64KB
376 +* Input Power Range: 5v
377 +* Frequency Range: 150 MHz ~~ 960 MHz
378 +* Maximum Power +22 dBm constant RF output
379 +* High sensitivity: -148 dBm
380 +* Temperature:
381 +** Storage: -55 ~~ +125℃
382 +** Operating: -40 ~~ +85℃
383 +* Humidity:
384 +** Storage: 5 ~~ 95% (Non-Condensing)
385 +** Operating: 10 ~~ 95% (Non-Condensing)
386 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
387 +* LoRa Rx current: <9 mA
388 +
389 +
390 +
391 +== 3.4  Pin Mapping & LED ==
392 +
393 +
394 +
395 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
396 +
397 +
398 +(((
399 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
400 +)))
401 +
402 +
403 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
404 +
405 +
406 +[[image:image-20220602171217-1.png||height="538" width="800"]]
407 +
408 +
409 +Open the serial port tool
410 +
411 +[[image:image-20220602161617-8.png]]
412 +
413 +[[image:image-20220602161718-9.png||height="457" width="800"]]
414 +
415 +
416 +
417 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
418 +
419 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
420 +
421 +
422 +[[image:image-20220602161935-10.png||height="498" width="800"]]
423 +
424 +
425 +
426 +(% style="color:blue" %)**3. See Uplink Command**
427 +
428 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
429 +
430 +example: AT+SENDB=01,02,8,05820802581ea0a5
431 +
432 +[[image:image-20220602162157-11.png||height="497" width="800"]]
433 +
434 +
435 +
436 +(% style="color:blue" %)**4. Check to see if TTN received the message**
437 +
438 +[[image:image-20220602162331-12.png||height="420" width="800"]]
439 +
440 +
441 +
442 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
443 +
444 +
445 +**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]]
446 +
447 +
448 +(% style="color:red" %)**Preconditions:**
449 +
450 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
451 +
452 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
453 +
454 +
455 +
456 +(% style="color:blue" %)**Steps for usage:**
457 +
458 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
459 +
460 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
461 +
462 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
463 +
464 +
465 +
466 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
467 +
468 +
469 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
470 +
471 +
472 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
473 +
474 +[[image:image-20220602171233-2.png||height="538" width="800"]]
475 +
476 +
477 +
478 +(% style="color:blue" %)**2. Install Minicom in RPi.**
479 +
480 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
481 +
482 + (% style="background-color:yellow" %)**apt update**
483 +
484 + (% style="background-color:yellow" %)**apt install minicom**
485 +
486 +
487 +Use minicom to connect to the RPI's terminal
488 +
489 +[[image:image-20220602153146-3.png||height="439" width="500"]]
490 +
491 +
492 +
493 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
494 +
495 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
496 +
497 +
498 +[[image:image-20220602154928-5.png||height="436" width="500"]]
499 +
500 +
501 +
502 +(% style="color:blue" %)**4. Send Uplink message**
503 +
504 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
505 +
506 +example: AT+SENDB=01,02,8,05820802581ea0a5
507 +
508 +
509 +[[image:image-20220602160339-6.png||height="517" width="600"]]
510 +
511 +
512 +
513 +Check to see if TTN received the message
514 +
515 +[[image:image-20220602160627-7.png||height="369" width="800"]]
516 +
517 +
518 +
519 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
520 +
521 +
522 +
523 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
524 +
525 +
526 +
527 +
528 += 4.  Order Info =
529 +
530 +
531 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
532 +
533 +
534 +(% style="color:blue" %)**XXX**(%%): The default frequency band
535 +
536 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
537 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
538 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
539 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
540 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
541 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
542 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
543 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
544 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
545 +
546 += 5.  Reference =
547 +
548 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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