Changes for page LA66 LoRaWAN Shield User Manual
Last modified by Xiaoling on 2023/05/26 14:19
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... ... @@ -1,8 +1,6 @@ 1 - 1 +0 2 2 3 -{{box cssClass="floatinginfobox" title="**Contents**"}} 4 -{{toc/}} 5 -{{/box}} 3 +**Table of Contents:** 6 6 7 7 {{toc/}} 8 8 ... ... @@ -14,17 +14,44 @@ 14 14 == 1.1 What is LA66 LoRaWAN Module == 15 15 16 16 15 +((( 16 +((( 17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** ** 18 +))) 19 + 20 +((( 21 + 22 +))) 23 + 24 +((( 17 17 (% 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. 26 +))) 27 +))) 18 18 19 -(% 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. 29 +((( 30 +((( 31 +(% 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. 32 +))) 33 +))) 20 20 35 +((( 36 +((( 21 21 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 38 +))) 22 22 40 +((( 23 23 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. 42 +))) 43 +))) 24 24 45 +((( 46 +((( 25 25 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 48 +))) 49 +))) 26 26 27 27 52 + 28 28 == 1.2 Features == 29 29 30 30 * Support LoRaWAN v1.0.4 protocol ... ... @@ -37,7 +37,6 @@ 37 37 * Firmware upgradable via UART interface 38 38 * Ultra-long RF range 39 39 40 - 41 41 == 1.3 Specification == 42 42 43 43 * CPU: 32-bit 48 MHz ... ... @@ -58,25 +58,25 @@ 58 58 * LoRa Rx current: <9 mA 59 59 * I/O Voltage: 3.3v 60 60 61 - 62 62 == 1.4 AT Command == 63 63 87 + 64 64 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents. 65 65 66 66 91 + 67 67 == 1.5 Dimension == 68 68 69 -[[image:image-20220 517072526-1.png]]94 +[[image:image-20220718094750-3.png]] 70 70 71 71 72 72 73 73 == 1.6 Pin Mapping == 74 74 100 +[[image:image-20220720111850-1.png]] 75 75 76 -[[image:image-20220523101537-1.png]] 77 77 78 78 79 - 80 80 == 1.7 Land Pattern == 81 81 82 82 [[image:image-20220517072821-2.png]] ... ... @@ -88,9 +88,45 @@ 88 88 89 89 == 2.1 Overview == 90 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 92 116 +((( 117 +[[image:image-20220715000826-2.png||height="145" width="220"]] 118 +))) 93 93 120 +((( 121 + 122 +))) 123 + 124 +((( 125 +(% 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. 126 +))) 127 + 128 +((( 129 +((( 130 +(% 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. 131 +))) 132 +))) 133 + 134 +((( 135 +((( 136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 137 +))) 138 +))) 139 + 140 +((( 141 +((( 142 +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. 143 +))) 144 +))) 145 + 146 +((( 147 +((( 148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 149 +))) 150 +))) 151 + 152 + 153 + 94 94 == 2.2 Features == 95 95 96 96 * Arduino Shield base on LA66 LoRaWAN module ... ... @@ -104,7 +104,6 @@ 104 104 * Firmware upgradable via UART interface 105 105 * Ultra-long RF range 106 106 107 - 108 108 == 2.3 Specification == 109 109 110 110 * CPU: 32-bit 48 MHz ... ... @@ -125,15 +125,34 @@ 125 125 * LoRa Rx current: <9 mA 126 126 * I/O Voltage: 3.3v 127 127 187 +== 2.4 LED == 128 128 129 -== 2.4 Pin Mapping & LED == 189 +~1. The LED lights up red when there is an upstream data packet 190 +2. When the network is successfully connected, the green light will be on for 5 seconds 191 +3. Purple light on when receiving downlink data packets 130 130 131 131 132 - 133 133 == 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 134 134 196 +Show connection diagram: 135 135 198 +[[image:image-20220723170210-2.png||height="908" width="681"]] 136 136 200 +1.open Arduino IDE 201 + 202 +[[image:image-20220723170545-4.png]] 203 + 204 +2.Open project 205 + 206 +[[image:image-20220723170750-5.png]] 207 + 208 +3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload 209 + 210 +[[image:image-20220723171228-6.png]] 211 + 212 +4.After the upload is successful, open the serial port monitoring and send the AT command 213 + 214 + 137 137 == 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 138 138 139 139 ... ... @@ -160,12 +160,15 @@ 160 160 [[image:image-20220602101311-3.png||height="276" width="600"]] 161 161 162 162 241 +((( 163 163 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 243 +))) 164 164 165 - 245 +((( 166 166 (% style="background-color:yellow" %)**GND <-> GND 167 -TXD <-> TXD 168 -RXD <-> RXD** 247 +TXD <-> TXD 248 +RXD <-> RXD** 249 +))) 169 169 170 170 171 171 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) ... ... @@ -185,15 +185,20 @@ 185 185 [[image:image-20220602102824-5.png||height="306" width="600"]] 186 186 187 187 269 + 188 188 ==== 2. Press the RST switch once ==== 189 189 272 + 190 190 [[image:image-20220602104701-12.png||height="285" width="600"]] 191 191 192 192 276 + 193 193 ==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ==== 194 194 195 195 280 +((( 196 196 (% 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/]]** 282 +))) 197 197 198 198 199 199 [[image:image-20220602103227-6.png]] ... ... @@ -231,6 +231,7 @@ 231 231 [[image:image-20220602104923-13.png]] 232 232 233 233 320 + 234 234 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 235 235 (% style="color:blue" %)**5. Check update process** 236 236 ... ... @@ -251,9 +251,32 @@ 251 251 252 252 == 3.1 Overview == 253 253 254 -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. 255 255 342 +[[image:image-20220715001142-3.png||height="145" width="220"]] 256 256 344 + 345 +((( 346 +(% 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. 347 +))) 348 + 349 +((( 350 +(% 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. 351 +))) 352 + 353 +((( 354 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 355 +))) 356 + 357 +((( 358 +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. 359 +))) 360 + 361 +((( 362 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 363 +))) 364 + 365 + 366 + 257 257 == 3.2 Features == 258 258 259 259 * LoRaWAN USB adapter base on LA66 LoRaWAN module ... ... @@ -266,8 +266,9 @@ 266 266 * World-wide unique OTAA keys. 267 267 * AT Command via UART-TTL interface 268 268 * Firmware upgradable via UART interface 379 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 269 269 270 -== Specification == 381 +== 3.3 Specification == 271 271 272 272 * CPU: 32-bit 48 MHz 273 273 * Flash: 256KB ... ... @@ -285,16 +285,24 @@ 285 285 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 286 286 * LoRa Rx current: <9 mA 287 287 288 -== Pin Mapping & LED == 399 +== 3.4 Pin Mapping & LED == 289 289 290 -== Example Send & Get Messages via LoRaWAN in PC == 291 291 402 + 403 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 404 + 405 + 406 +((( 292 292 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 408 +))) 293 293 294 -~1. Connect the LA66 USB LoRaWAN adapter to PC 295 295 296 - [[image:image-20220602171217-1.png||height="538"width="800"]]411 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 297 297 413 + 414 +[[image:image-20220723100027-1.png]] 415 + 416 + 298 298 Open the serial port tool 299 299 300 300 [[image:image-20220602161617-8.png]] ... ... @@ -302,67 +302,76 @@ 302 302 [[image:image-20220602161718-9.png||height="457" width="800"]] 303 303 304 304 305 -2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it. 306 306 425 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 426 + 307 307 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 308 308 429 + 309 309 [[image:image-20220602161935-10.png||height="498" width="800"]] 310 310 311 311 312 -3. See Uplink Command 313 313 314 - Commandformat: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>434 +(% style="color:blue" %)**3. See Uplink Command** 315 315 436 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 437 + 316 316 example: AT+SENDB=01,02,8,05820802581ea0a5 317 317 318 318 [[image:image-20220602162157-11.png||height="497" width="800"]] 319 319 320 320 321 -4. Check to see if TTN received the message 322 322 444 +(% style="color:blue" %)**4. Check to see if TTN received the message** 445 + 323 323 [[image:image-20220602162331-12.png||height="420" width="800"]] 324 324 325 325 326 326 327 -== Example:Send PC's CPU/RAM usage to TTN via python == 450 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 328 328 329 - (% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)452 + 330 330 **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]] 331 331 332 -(% class="wikigeneratedid" id="HPreconditions:" %) 333 -**Preconditions:** 455 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]]) 334 334 335 - 1.LA66USB LoRaWAN Adapter worksfine457 +(% style="color:red" %)**Preconditions:** 336 336 337 - 2.LA66 USB LoRaWAN Adapterisregisteredwith TTN459 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 338 338 339 -(% class="wikigeneratedid" id="HStepsforusage" %) 340 -**Steps for usage** 461 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 341 341 342 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 343 343 344 -2.Run the python script in PC and see the TTN 345 345 465 +(% style="color:blue" %)**Steps for usage:** 466 + 467 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 468 + 469 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 470 + 346 346 [[image:image-20220602115852-3.png||height="450" width="1187"]] 347 347 348 348 349 349 350 -== Example Send & Get Messages via LoRaWAN in RPi == 475 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 351 351 477 + 352 352 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 353 353 354 -~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi 355 355 356 - [[image:image-20220602171233-2.png||height="538"width="800"]]481 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 357 357 483 +[[image:image-20220723100439-2.png]] 358 358 359 -2. Install Minicom in RPi. 360 360 486 + 487 +(% style="color:blue" %)**2. Install Minicom in RPi.** 488 + 361 361 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 362 362 363 -(% class="mark" %)apt update491 + (% style="background-color:yellow" %)**apt update** 364 364 365 -(% class="mark" %)apt install minicom493 + (% style="background-color:yellow" %)**apt install minicom** 366 366 367 367 368 368 Use minicom to connect to the RPI's terminal ... ... @@ -370,20 +370,27 @@ 370 370 [[image:image-20220602153146-3.png||height="439" width="500"]] 371 371 372 372 373 -3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter. 374 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network 375 375 502 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 503 + 504 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 505 + 506 + 376 376 [[image:image-20220602154928-5.png||height="436" width="500"]] 377 377 378 378 379 -4. Send Uplink message 380 380 381 - Format:AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>511 +(% style="color:blue" %)**4. Send Uplink message** 382 382 513 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 514 + 383 383 example: AT+SENDB=01,02,8,05820802581ea0a5 384 384 517 + 385 385 [[image:image-20220602160339-6.png||height="517" width="600"]] 386 386 520 + 521 + 387 387 Check to see if TTN received the message 388 388 389 389 [[image:image-20220602160627-7.png||height="369" width="800"]] ... ... @@ -390,33 +390,107 @@ 390 390 391 391 392 392 393 -== Example: LA66USB Module got a messagefromLA66 LoRaShield andsend the sensor data to NodeRed. ==528 +== 3.8 Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. == 394 394 530 +=== 3.8.1 DRAGINO-LA66-APP === 395 395 396 - == UpgradeFirmwareof LA66 USB LoRaWAN Adapter ==532 +[[image:image-20220723102027-3.png]] 397 397 534 +==== Overview: ==== 398 398 536 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module. 399 399 400 - =Order Info=538 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 401 401 402 - PartNumber:540 +==== Conditions of Use: ==== 403 403 404 - **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX**or**LA66-USB-LoRaWAN-Adapter-XXX**542 +Requires a type-c to USB adapter 405 405 406 - **XXX**: Thedefault frequency band544 +[[image:image-20220723104754-4.png]] 407 407 408 -* **AS923**: LoRaWAN AS923 band 409 -* **AU915**: LoRaWAN AU915 band 410 -* **EU433**: LoRaWAN EU433 band 411 -* **EU868**: LoRaWAN EU868 band 412 -* **KR920**: LoRaWAN KR920 band 413 -* **US915**: LoRaWAN US915 band 414 -* **IN865**: LoRaWAN IN865 band 415 -* **CN470**: LoRaWAN CN470 band 416 -* **PP**: Peer to Peer LoRa Protocol 546 +==== Use of APP: ==== 417 417 418 - = Reference=548 +Function and page introduction 419 419 420 - * Hardware Design Filefor LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]550 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 421 421 422 - 552 +1.Display LA66 USB LoRaWAN Module connection status 553 + 554 +2.Check and reconnect 555 + 556 +3.Turn send timestamps on or off 557 + 558 +4.Display LoRaWan connection status 559 + 560 +5.Check LoRaWan connection status 561 + 562 +6.The RSSI value of the node when the ACK is received 563 + 564 +7.Node's Signal Strength Icon 565 + 566 +8.Set the packet sending interval of the node in seconds 567 + 568 +9.AT command input box 569 + 570 +10.Send AT command button 571 + 572 +11.Node log box 573 + 574 +12.clear log button 575 + 576 +13.exit button 577 + 578 +LA66 USB LoRaWAN Module not connected 579 + 580 +[[image:image-20220723110520-5.png||height="903" width="677"]] 581 + 582 +Connect LA66 USB LoRaWAN Module 583 + 584 +[[image:image-20220723110626-6.png||height="906" width="680"]] 585 + 586 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED === 587 + 588 +1.Register LA66 USB LoRaWAN Module to TTNV3 589 + 590 +[[image:image-20220723134549-8.png]] 591 + 592 +2.Open Node-RED,And import the JSON file to generate the flow 593 + 594 +Sample JSON file please go to this link to download:放置JSON文件的链接 595 + 596 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]] 597 + 598 +The following is the positioning effect map 599 + 600 +[[image:image-20220723144339-1.png]] 601 + 602 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 603 + 604 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method 605 + 606 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect) 607 + 608 +[[image:image-20220723150132-2.png]] 609 + 610 + 611 += 4. Order Info = 612 + 613 + 614 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 615 + 616 + 617 +(% style="color:blue" %)**XXX**(%%): The default frequency band 618 + 619 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 620 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 621 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 622 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 623 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 624 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 625 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 626 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 627 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 628 + 629 += 5. Reference = 630 + 631 +* 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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