Changes for page LA66 LoRaWAN Shield User Manual
Last modified by Xiaoling on 2023/05/26 14:19
From version 75.1
edited by Edwin Chen
on 2022/07/03 00:21
on 2022/07/03 00:21
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... ... @@ -1,1 +1,1 @@ 1 -LA66 LoRaWAN Module1 +LA66 LoRaWAN Shield User Manual - Author
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... ... @@ -1,28 +1,64 @@ 1 -{{box cssClass="floatinginfobox" title="**Contents**"}} 1 + 2 + 3 +**Table of Contents:** 4 + 2 2 {{toc/}} 3 -{{/box}} 4 4 5 -= LA66 LoRaWAN Module = 6 6 7 -== What is LA66 LoRaWAN Module == 8 8 9 -(% 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. 10 10 11 - (% style="color:blue"%)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4protocol**(%%). TheLoRaWAN stack used in LA66is used in more than 1 millionLoRaWANEnd Devices deployed world widely. This matureLoRaWAN stack greatly reducesthe 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.10 += 1. LA66 LoRaWAN Shield = 12 12 12 + 13 +== 1.1 Overview == 14 + 15 + 16 +((( 17 +[[image:image-20220715000826-2.png||height="145" width="220"]] 18 +))) 19 + 20 +((( 21 + 22 +))) 23 + 24 +((( 25 +(% 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. 26 +))) 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 +))) 33 + 34 +((( 35 +((( 13 13 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 37 +))) 38 +))) 14 14 40 +((( 41 +((( 15 15 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. 43 +))) 44 +))) 16 16 46 +((( 47 +((( 17 17 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 49 +))) 50 +))) 18 18 19 19 20 -== Features == 21 21 22 -* Support LoRaWAN v1.0.4 protocol 54 +== 1.2 Features == 55 + 56 + 57 +* Arduino Shield base on LA66 LoRaWAN module 58 +* Support LoRaWAN v1.0.3 protocol 23 23 * Support peer-to-peer protocol 24 24 * TCXO crystal to ensure RF performance on low temperature 25 -* SM DAntennapad and i-pex antennaconnector61 +* SMA connector 26 26 * Available in different frequency LoRaWAN frequency bands. 27 27 * World-wide unique OTAA keys. 28 28 * AT Command via UART-TTL interface ... ... @@ -29,8 +29,12 @@ 29 29 * Firmware upgradable via UART interface 30 30 * Ultra-long RF range 31 31 32 -== Specification == 33 33 69 + 70 + 71 +== 1.3 Specification == 72 + 73 + 34 34 * CPU: 32-bit 48 MHz 35 35 * Flash: 256KB 36 36 * RAM: 64KB ... ... @@ -49,334 +49,260 @@ 49 49 * LoRa Rx current: <9 mA 50 50 * I/O Voltage: 3.3v 51 51 52 -== AT Command == 53 53 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. 55 55 56 56 57 -== Dimension ==95 +== 1.4 Pin Mapping & LED == 58 58 59 -[[image:image-20220517072526-1.png]] 60 60 98 +[[image:image-20220817085048-1.png]] 61 61 62 -== Pin Mapping == 63 63 64 -[[image:image-20220523101537-1.png]] 65 65 66 -== Land Pattern == 102 +~1. The LED lights up red when there is an upstream data packet 103 +2. When the network is successfully connected, the green light will be on for 5 seconds 104 +3. Purple light on when receiving downlink data packets 67 67 68 -[[image:image-20220517072821-2.png]] 69 69 70 70 71 -== OrderInfo ==108 +== 1.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 72 72 73 -Part Number: **LA66-XXX** 74 74 75 -** XX**: Thedefaultfrequencyband111 +**Show connection diagram:** 76 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 86 87 - = LA66 LoRaWAN Shield=114 +[[image:image-20220723170210-2.png||height="908" width="681"]] 88 88 89 -== 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 92 118 +(% style="color:blue" %)**1. open Arduino IDE** 93 93 94 -== Features == 95 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 121 +[[image:image-20220723170545-4.png]] 106 106 107 -== Specification == 108 108 109 -* CPU: 32-bit 48 MHz 110 -* Flash: 256KB 111 -* RAM: 64KB 112 -* Input Power Range: 1.8v ~~ 3.7v 113 -* Power Consumption: < 4uA. 114 -* Frequency Range: 150 MHz ~~ 960 MHz 115 -* Maximum Power +22 dBm constant RF output 116 -* High sensitivity: -148 dBm 117 -* Temperature: 118 -** Storage: -55 ~~ +125℃ 119 -** Operating: -40 ~~ +85℃ 120 -* Humidity: 121 -** Storage: 5 ~~ 95% (Non-Condensing) 122 -** Operating: 10 ~~ 95% (Non-Condensing) 123 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 124 -* LoRa Rx current: <9 mA 125 -* I/O Voltage: 3.3v 126 126 127 -= =PinMapping& LED ==125 +(% style="color:blue" %)**2. Open project** 128 128 129 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 130 130 131 - == Example: JoinTTNnetworkandsendan uplinkessage, getwnlinkmessage.==128 +LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]] 132 132 133 - == Example: LogTemperatureSensor(DHT11) and send data to TTN, show it in DataCake.==130 +[[image:image-20220726135239-1.png]] 134 134 135 -== Upgrade Firmware of LA66 LoRaWAN Shield == 136 136 137 -=== Items needed for update === 138 138 139 -1. LA66 LoRaWAN Shield 140 -1. Arduino 141 -1. USB TO TTL Adapter 134 +(% style="color:blue" %)**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** 142 142 143 -[[image:image-20220 602100052-2.png||height="385" width="600"]]136 +[[image:image-20220726135356-2.png]] 144 144 145 145 146 -=== Connection === 147 147 148 - [[image:image-20220602101311-3.png||height="276"width="600"]]140 +(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 149 149 150 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) <-> (% style="color:blue" %)**USB TTL**(%%) 151 -**GND <-> GND 152 -TXD <-> TXD 153 -RXD <-> RXD** 154 154 155 - Put a jumper caponJP6 of LA66 LoRaWAN Shield.143 +[[image:image-20220723172235-7.png||height="480" width="1027"]] 156 156 157 -Connect USB TTL Adapter to PC after connecting the wires 158 158 159 159 160 - [[image:image-20220602102240-4.png||height="304"width="600"]]147 +== 1.6 Example: Join TTN network and send an uplink message, get downlink message. == 161 161 162 162 163 - ===Upgradesteps===150 +(% style="color:blue" %)**1. Open project** 164 164 165 -==== Switch SW1 to put in ISP position ==== 166 166 167 - [[image:image-20220602102824-5.png||height="306" width="600"]]153 +Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]] 168 168 169 169 170 - ==== Press the RST switch once====156 +[[image:image-20220723172502-8.png]] 171 171 172 -[[image:image-20220602104701-12.png||height="285" width="600"]] 173 173 174 174 175 -= ===Open theUpgradetool(TremoProgrammer)inPC====160 +(% style="color:blue" %)**2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets** 176 176 177 -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/]] 178 178 179 -[[image:image-20220 602103227-6.png]]163 +[[image:image-20220723172938-9.png||height="652" width="1050"]] 180 180 181 -[[image:image-20220602103357-7.png]] 182 182 183 -===== Select the COM port corresponding to USB TTL ===== 184 184 185 - [[image:image-20220602103844-8.png]]167 +== 1.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. == 186 186 187 -===== Select the bin file to burn ===== 188 188 189 - [[image:image-20220602104144-9.png]]170 +(% style="color:blue" %)**1. Open project** 190 190 191 -[[image:image-20220602104251-10.png]] 192 192 193 - [[image:image-20220602104402-11.png]]173 +Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]] 194 194 195 -===== Click to start the download ===== 196 196 197 -[[image:image-20220 602104923-13.png]]176 +[[image:image-20220723173341-10.png||height="581" width="1014"]] 198 198 199 -===== The following figure appears to prove that the burning is in progress ===== 200 200 201 -[[image:image-20220602104948-14.png]] 202 202 203 - =====Thefollowing picture appears to prove thattheburning issuccessful=====180 +(% style="color:blue" %)**2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets** 204 204 205 -[[image:image-20220602105251-15.png]] 206 206 183 +[[image:image-20220723173950-11.png||height="665" width="1012"]] 207 207 208 -== Order Info == 209 209 210 -Part Number: **LA66-LoRaWAN-Shield-XXX** 211 211 212 -** XX**:Thedefaultfrequencyband187 +(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 213 213 214 -* **AS923**: LoRaWAN AS923 band 215 -* **AU915**: LoRaWAN AU915 band 216 -* **EU433**: LoRaWAN EU433 band 217 -* **EU868**: LoRaWAN EU868 band 218 -* **KR920**: LoRaWAN KR920 band 219 -* **US915**: LoRaWAN US915 band 220 -* **IN865**: LoRaWAN IN865 band 221 -* **CN470**: LoRaWAN CN470 band 222 -* **PP**: Peer to Peer LoRa Protocol 189 +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/]] 223 223 224 - == PackageInfo==191 +[[image:image-20220723175700-12.png||height="602" width="995"]] 225 225 226 -* LA66 LoRaWAN Shield x 1 227 -* RF Antenna x 1 228 228 229 229 230 -= LA66 USBLoRaWANAdapter=195 +== 1.8 Upgrade Firmware of LA66 LoRaWAN Shield == 231 231 232 -== Overview == 233 233 234 - LA66USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. Itcombinesa CP2101 USB TTL Chip and LA66 LoRaWAN modulewhich caneasy to addLoRaWAN wirelessfeature to PC / Mobilephone or an embedded device thathas USB Interface.198 +=== 1.8.1 Items needed for update === 235 235 236 236 237 -== Features == 201 +1. LA66 LoRaWAN Shield 202 +1. Arduino 203 +1. USB TO TTL Adapter 238 238 239 -* LoRaWAN USB adapter base on LA66 LoRaWAN module 240 -* Ultra-long RF range 241 -* Support LoRaWAN v1.0.4 protocol 242 -* Support peer-to-peer protocol 243 -* TCXO crystal to ensure RF performance on low temperature 244 -* Spring RF antenna 245 -* Available in different frequency LoRaWAN frequency bands. 246 -* World-wide unique OTAA keys. 247 -* AT Command via UART-TTL interface 248 -* Firmware upgradable via UART interface 205 +[[image:image-20220602100052-2.png||height="385" width="600"]] 249 249 250 -== Specification == 251 251 252 -* CPU: 32-bit 48 MHz 253 -* Flash: 256KB 254 -* RAM: 64KB 255 -* Input Power Range: 5v 256 -* Frequency Range: 150 MHz ~~ 960 MHz 257 -* Maximum Power +22 dBm constant RF output 258 -* High sensitivity: -148 dBm 259 -* Temperature: 260 -** Storage: -55 ~~ +125℃ 261 -** Operating: -40 ~~ +85℃ 262 -* Humidity: 263 -** Storage: 5 ~~ 95% (Non-Condensing) 264 -** Operating: 10 ~~ 95% (Non-Condensing) 265 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 266 -* LoRa Rx current: <9 mA 267 267 268 -== PinMapping& LED==209 +=== 1.8.2 Connection === 269 269 270 -== Example Send & Get Messages via LoRaWAN in PC == 271 271 272 - Connect theLA66LoRa Shieldo the PC212 +[[image:image-20220602101311-3.png||height="276" width="600"]] 273 273 274 -[[image:image-20220602171217-1.png||height="615" width="915"]] 275 275 276 -Open the serial port tool 215 +((( 216 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 217 +))) 277 277 278 -[[image:image-20220602161617-8.png]] 219 +((( 220 +(% style="background-color:yellow" %)**GND <-> GND 221 +TXD <-> TXD 222 +RXD <-> RXD** 223 +))) 279 279 280 -[[image:image-20220602161718-9.png||height="529" width="927"]] 281 281 282 -P resstheresetswitchRSTontheLA66 LoRa Shield.226 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 283 283 284 - The following pictureappearstoprovethattheLA66 LoRa Shield successfully enteredthenetwork228 +Connect USB TTL Adapter to PC after connecting the wires 285 285 286 -[[image:image-20220602161935-10.png]] 287 287 288 - sendinstructions:AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>231 +[[image:image-20220602102240-4.png||height="304" width="600"]] 289 289 290 -example: AT+SENDB=01,02,8,05820802581ea0a5 291 291 292 -[[image:image-20220602162157-11.png]] 293 293 294 - Checktosee if TTNreceivedthemessage235 +=== 1.8.3 Upgrade steps === 295 295 296 -[[image:image-20220602162331-12.png||height="547" width="1044"]] 297 297 298 -== Example Send & Get Messages via LoRaWAN in RPi == 299 299 300 - ConnecttheLA66 LoRaShieldto theRPI239 +==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ==== 301 301 302 -[[image:image-20220602171233-2.png||height="592" width="881"]] 303 303 304 - Login to the RPI's terminal and connect to theserialport242 +[[image:image-20220602102824-5.png||height="306" width="600"]] 305 305 306 -[[image:image-20220602153146-3.png]] 307 307 308 -Press the reset switch RST on the LA66 LoRa Shield. 309 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network 310 310 311 - [[image:image-20220602154928-5.png]]246 +==== (% style="color:blue" %)2. Press the RST switch once(%%) ==== 312 312 313 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data> 314 314 315 - example:AT+SENDB=01,02,8,05820802581ea0a5249 +[[image:image-20220817085447-1.png]] 316 316 317 -[[image:image-20220602160339-6.png]] 318 318 319 -Check to see if TTN received the message 320 320 321 -[[image:image-20220602160627-7.png||height="468" width="1013"]] 322 322 323 -=== InstallMinicom ===254 +==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ==== 324 324 325 -Enter the following command in the RPI terminal 326 326 327 -apt update 257 +((( 258 +(% 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/]]** 259 +))) 328 328 329 -[[image:image-20220602143155-1.png]] 330 330 331 - aptinstallminicom262 +[[image:image-20220602103227-6.png]] 332 332 333 -[[image:image-20220602143744-2.png]] 334 334 335 - === Send PC's CPU/RAM usageto TTN viascript.===265 +[[image:image-20220602103357-7.png]] 336 336 337 -==== Take python as an example: ==== 338 338 339 -===== Preconditions: ===== 340 340 341 -1.LA66 USB LoRaWAN Adapter works fine 269 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 270 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 342 342 343 -2.LA66 USB LoRaWAN Adapter is registered with TTN 344 344 345 - ===== Steps for usage=====273 +[[image:image-20220602103844-8.png]] 346 346 347 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 348 348 349 -2.Run the script and see the TTN 350 350 351 -[[image:image-20220602115852-3.png]] 277 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 278 +(% style="color:blue" %)**3. Select the bin file to burn** 352 352 353 353 281 +[[image:image-20220602104144-9.png]] 354 354 355 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. == 356 356 284 +[[image:image-20220602104251-10.png]] 357 357 358 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter == 359 359 287 +[[image:image-20220602104402-11.png]] 360 360 361 361 362 -== Order Info == 363 363 364 -Part Number: **LA66-USB-LoRaWAN-Adapter-XXX** 291 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 292 +(% style="color:blue" %)**4. Click to start the download** 365 365 366 - **XX**: Thedefault frequency band294 +[[image:image-20220602104923-13.png]] 367 367 368 -* **AS923**: LoRaWAN AS923 band 369 -* **AU915**: LoRaWAN AU915 band 370 -* **EU433**: LoRaWAN EU433 band 371 -* **EU868**: LoRaWAN EU868 band 372 -* **KR920**: LoRaWAN KR920 band 373 -* **US915**: LoRaWAN US915 band 374 -* **IN865**: LoRaWAN IN865 band 375 -* **CN470**: LoRaWAN CN470 band 376 -* **PP**: Peer to Peer LoRa Protocol 377 377 378 -== Package Info == 379 379 380 -* LA66 USB LoRaWAN Adapter x 1 298 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 299 +(% style="color:blue" %)**5. Check update process** 381 381 301 + 302 +[[image:image-20220602104948-14.png]] 303 + 304 + 305 + 306 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 307 +(% style="color:blue" %)**The following picture shows that the burning is successful** 308 + 309 +[[image:image-20220602105251-15.png]] 310 + 311 + 312 + 313 += 2. FAQ = 314 + 315 + 316 +== 2.1 How to Compile Source Code for LA66? == 317 + 318 + 319 +Compile and Upload Code to ASR6601 Platform :[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]] 320 + 321 + 322 + 323 += 3. Order Info = 324 + 325 + 326 +**Part Number:** (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) 327 + 328 + 329 +(% style="color:blue" %)**XXX**(%%): The default frequency band 330 + 331 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 332 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 333 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 334 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 335 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 336 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 337 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 338 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 339 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 340 + 341 + 342 + 343 += 4. Reference = 344 + 345 + 346 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]] 347 + 382 382
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