Changes for page LA66 USB LoRaWAN Adapter User Manual
Last modified by Xiaoling on 2025/02/07 16:37
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... ... @@ -6,25 +6,34 @@ 6 6 7 7 8 8 9 += 1. LA66 LoRaWAN Module = 9 9 10 10 11 -= 1. LA66 USBLoRaWANAdapter=12 +== 1.1 What is LA66 LoRaWAN Module == 12 12 13 -== 1.1 Overview == 14 14 15 +((( 16 +((( 17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** ** 18 +))) 15 15 16 -[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]] 20 +((( 21 + 22 +))) 17 17 18 - 19 19 ((( 20 -(% style="color:blue" %)**LA66 USBLoRaWANAdapter**(%%) isdesignedtofastturnUSBdevicestoportLoRaWANwirelessfeatures. Itcombinesa CP2101 USB TTL Chip andLA66 LoRaWANmodulewhichcaneasy toaddLoRaWANwirelessfeature toPC/ MobilephoneoranembeddeddevicehasUSBInterface.25 +(% 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. 21 21 ))) 27 +))) 22 22 23 23 ((( 30 +((( 24 24 (% 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. 25 25 ))) 33 +))) 26 26 27 27 ((( 36 +((( 28 28 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 29 29 ))) 30 30 ... ... @@ -31,34 +31,35 @@ 31 31 ((( 32 32 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. 33 33 ))) 43 +))) 34 34 35 35 ((( 46 +((( 36 36 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 37 37 ))) 49 +))) 38 38 39 39 52 + 40 40 == 1.2 Features == 41 41 42 - 43 -* LoRaWAN USB adapter base on LA66 LoRaWAN module 44 -* Ultra-long RF range 45 -* Support LoRaWAN v1.0.3 protocol 55 +* Support LoRaWAN v1.0.4 protocol 46 46 * Support peer-to-peer protocol 47 47 * TCXO crystal to ensure RF performance on low temperature 48 -* Sp ringRFantenna58 +* SMD Antenna pad and i-pex antenna connector 49 49 * Available in different frequency LoRaWAN frequency bands. 50 50 * World-wide unique OTAA keys. 51 51 * AT Command via UART-TTL interface 52 52 * Firmware upgradable via UART interface 53 -* Open Source Mobile App forLoRaWAN signaldetect andGPStracking.63 +* Ultra-long RF range 54 54 55 55 == 1.3 Specification == 56 56 57 - 58 58 * CPU: 32-bit 48 MHz 59 59 * Flash: 256KB 60 60 * RAM: 64KB 61 -* Input Power Range: 5v 70 +* Input Power Range: 1.8v ~~ 3.7v 71 +* Power Consumption: < 4uA. 62 62 * Frequency Range: 150 MHz ~~ 960 MHz 63 63 * Maximum Power +22 dBm constant RF output 64 64 * High sensitivity: -148 dBm ... ... @@ -70,426 +70,654 @@ 70 70 ** Operating: 10 ~~ 95% (Non-Condensing) 71 71 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 72 72 * LoRa Rx current: <9 mA 83 +* I/O Voltage: 3.3v 73 73 74 -== 1.4 PinMapping& LED==85 +== 1.4 AT Command == 75 75 76 76 77 - [[image:image-20220813183239-3.png||height="526"width="662"]]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. 78 78 79 79 80 -== 1.5 Example: Send & Get Messages via LoRaWAN in PC == 81 81 92 +== 1.5 Dimension == 82 82 94 +[[image:image-20220718094750-3.png]] 95 + 96 + 97 + 98 +== 1.6 Pin Mapping == 99 + 100 +[[image:image-20220720111850-1.png]] 101 + 102 + 103 + 104 +== 1.7 Land Pattern == 105 + 106 +[[image:image-20220517072821-2.png]] 107 + 108 + 109 + 110 += 2. LA66 LoRaWAN Shield = 111 + 112 + 113 +== 2.1 Overview == 114 + 115 + 83 83 ((( 84 - Assume useralreadyinput theLA66 USB LoRaWAN Adapter OTAA KeysinTTN andereisalreadyTTNnetworkcoverage.117 +[[image:image-20220715000826-2.png||height="145" width="220"]] 85 85 ))) 86 86 87 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 120 +((( 121 + 122 +))) 88 88 89 -[[image:image-20220723100027-1.png]] 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 +))) 90 90 128 +((( 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 +))) 91 91 92 -Open the serial port tool 134 +((( 135 +((( 136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 137 +))) 138 +))) 93 93 94 -[[image:image-20220602161617-8.png]] 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 +))) 95 95 146 +((( 147 +((( 148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 149 +))) 150 +))) 96 96 97 -[[image:image-20220602161718-9.png||height="457" width="800"]] 98 98 99 99 100 - (% style="color:blue"%)**2.Press the reset switch RST on the LA66 USB LoRaWAN Adapterto resetit.**154 +== 2.2 Features == 101 101 102 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 156 +* Arduino Shield base on LA66 LoRaWAN module 157 +* Support LoRaWAN v1.0.4 protocol 158 +* Support peer-to-peer protocol 159 +* TCXO crystal to ensure RF performance on low temperature 160 +* SMA connector 161 +* Available in different frequency LoRaWAN frequency bands. 162 +* World-wide unique OTAA keys. 163 +* AT Command via UART-TTL interface 164 +* Firmware upgradable via UART interface 165 +* Ultra-long RF range 103 103 104 - [[image:image-20220602161935-10.png||height="498" width="800"]]167 +== 2.3 Specification == 105 105 169 +* CPU: 32-bit 48 MHz 170 +* Flash: 256KB 171 +* RAM: 64KB 172 +* Input Power Range: 1.8v ~~ 3.7v 173 +* Power Consumption: < 4uA. 174 +* Frequency Range: 150 MHz ~~ 960 MHz 175 +* Maximum Power +22 dBm constant RF output 176 +* High sensitivity: -148 dBm 177 +* Temperature: 178 +** Storage: -55 ~~ +125℃ 179 +** Operating: -40 ~~ +85℃ 180 +* Humidity: 181 +** Storage: 5 ~~ 95% (Non-Condensing) 182 +** Operating: 10 ~~ 95% (Non-Condensing) 183 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 184 +* LoRa Rx current: <9 mA 185 +* I/O Voltage: 3.3v 106 106 107 - (% style="color:blue"%)**3.SeeUplink Command**187 +== 2.4 LED == 108 108 109 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 110 110 111 -example: AT+SENDB=01,02,8,05820802581ea0a5 190 +~1. The LED lights up red when there is an upstream data packet 191 +2. When the network is successfully connected, the green light will be on for 5 seconds 192 +3. Purple light on when receiving downlink data packets 112 112 113 -[[image:image-20220602162157-11.png||height="497" width="800"]] 114 114 115 115 116 - (%style="color:blue"%)**4.Checktoseeif TTN receivedthemessage**196 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 117 117 118 -[[image:image-20220817093644-1.png]] 119 119 199 +**Show connection diagram:** 120 120 121 -== 1.6 Example: How to join helium == 122 122 202 +[[image:image-20220723170210-2.png||height="908" width="681"]] 123 123 124 -(% style="color:blue" %)**1. Create a new device.** 125 125 126 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]] 127 127 206 +(% style="color:blue" %)**1. open Arduino IDE** 128 128 129 -(% style="color:blue" %)**2. Save the device after filling in the necessary information.** 130 130 131 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]209 +[[image:image-20220723170545-4.png]] 132 132 133 133 134 -(% style="color:blue" %)**3. Use AT commands.** 135 135 136 - [[image:image-20220909151441-1.jpeg||height="695" width="521"]]213 +(% style="color:blue" %)**2. Open project** 137 137 138 138 139 - (%style="color:blue" %)**4.Usethe serialtool**216 +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]] 140 140 141 -[[image:image-20220 909151517-2.png||height="543" width="708"]]218 +[[image:image-20220726135239-1.png]] 142 142 143 143 144 -(% style="color:blue" %)** 5.UsecommandAT+CFGtoget device configuration**221 +(% 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** 145 145 146 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]223 +[[image:image-20220726135356-2.png]] 147 147 148 148 149 -(% style="color:blue" %)** 6.Networksuccessfully.**226 +(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 150 150 151 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]] 152 152 229 +[[image:image-20220723172235-7.png||height="480" width="1027"]] 153 153 154 -(% style="color:blue" %)**7. Send uplink using command** 155 155 156 -[[image:image-20220912085244-1.png]] 157 157 158 - [[image:image-20220912085307-2.png]]233 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 159 159 160 160 161 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png"height="242" width="798"]]236 +(% style="color:blue" %)**1. Open project** 162 162 163 163 164 - ==1.7 Example:SendPC'sCPU/RAM usage toTTNviapython=239 +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]] 165 165 166 166 167 - **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]]242 +[[image:image-20220723172502-8.png]] 168 168 169 -(**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]]) 170 170 171 171 172 -(% style="color: red" %)**Preconditions:**246 +(% 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** 173 173 174 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 175 175 176 - (% style="color:red" %)**2.LA66 USB LoRaWAN Adapteris registeredwithTTN**249 +[[image:image-20220723172938-9.png||height="652" width="1050"]] 177 177 178 178 179 -(% style="color:blue" %)**Steps for usage:** 180 180 181 - (%style="color:blue"%)**1.**(%%)Pressthe resetswitchRESET ontheLA66USB LoRaWANAdapter253 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. == 182 182 183 -(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN 184 184 185 -(% style="color:blue" %)** 3.**(%%)Runthepython scriptin PC and see the TTN256 +(% style="color:blue" %)**1. Open project** 186 186 187 187 188 - [[image:image-20220602115852-3.png||height="450"width="1187"]]259 +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]] 189 189 190 190 191 - == 1.8 Example:Send & Get Messages viaLoRaWANin RPi==262 +[[image:image-20220723173341-10.png||height="581" width="1014"]] 192 192 193 193 194 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 195 195 196 -(% style="color:blue" %)** 1.ConnecttheLA66USBLoRaWANAdapterto theRaspberryPi**266 +(% 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** 197 197 198 -[[image:image-20220723100439-2.png]] 199 199 269 +[[image:image-20220723173950-11.png||height="665" width="1012"]] 200 200 201 -(% style="color:blue" %)**2. Install Minicom in RPi.** 202 202 203 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 204 204 205 - background-color:yellow" %)**aptupdate**273 +(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 206 206 207 - (% style="background-color:yellow" %)**aptinstall minicom**275 +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/]] 208 208 209 - Useminicomto connect to the RPI's terminal277 +[[image:image-20220723175700-12.png||height="602" width="995"]] 210 210 211 -[[image:image-20220602153146-3.png||height="439" width="500"]] 212 212 213 213 214 - (% style="color:blue"%)**3.Presstheresetswitch RSTontheLA66USBLoRaWANAdapter.**281 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 215 215 216 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 217 217 218 - [[image:image-20220602154928-5.png||height="436"width="500"]]284 +=== 2.8.1 Items needed for update === 219 219 220 220 221 -(% style="color:blue" %)**4. Send Uplink message** 287 +1. LA66 LoRaWAN Shield 288 +1. Arduino 289 +1. USB TO TTL Adapter 222 222 223 - Format:(% style="color:#4472c4"%)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**291 +[[image:image-20220602100052-2.png||height="385" width="600"]] 224 224 225 -example: AT+SENDB=01,02,8,05820802581ea0a5 226 226 227 - [[image:image-20220602160339-6.png||height="517" width="600"]]294 +=== 2.8.2 Connection === 228 228 229 229 230 - Check to seefTTN receivede message297 +[[image:image-20220602101311-3.png||height="276" width="600"]] 231 231 232 232 233 -[[image:image-20220602160627-7.png||height="369" width="800"]] 300 +((( 301 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 302 +))) 234 234 304 +((( 305 +(% style="background-color:yellow" %)**GND <-> GND 306 +TXD <-> TXD 307 +RXD <-> RXD** 308 +))) 235 235 236 -== 1.9 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP == 237 237 238 - ===1.9.1 Hardware andSoftwareConnection===311 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 239 239 313 +Connect USB TTL Adapter to PC after connecting the wires 240 240 241 -(% class="wikigeneratedid" id="HOverviewFF1A" %) 242 -(% style="color:blue" %)**Overview:** 243 243 316 +[[image:image-20220602102240-4.png||height="304" width="600"]] 317 + 318 + 319 +=== 2.8.3 Upgrade steps === 320 + 321 + 322 +==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ==== 323 + 324 + 325 +[[image:image-20220602102824-5.png||height="306" width="600"]] 326 + 327 + 328 + 329 +==== (% style="color:blue" %)2. Press the RST switch once(%%) ==== 330 + 331 + 332 +[[image:image-20220602104701-12.png||height="285" width="600"]] 333 + 334 + 335 + 336 +==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ==== 337 + 338 + 244 244 ((( 245 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features: 340 +(% 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/]]** 341 +))) 246 246 247 -* Send real-time location information of mobile phone to LoRaWAN network. 248 -* Check LoRaWAN network signal strengh. 249 -* Manually send messages to LoRaWAN network. 343 + 344 +[[image:image-20220602103227-6.png]] 345 + 346 + 347 +[[image:image-20220602103357-7.png]] 348 + 349 + 350 + 351 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 352 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 353 + 354 + 355 +[[image:image-20220602103844-8.png]] 356 + 357 + 358 + 359 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 360 +(% style="color:blue" %)**3. Select the bin file to burn** 361 + 362 + 363 +[[image:image-20220602104144-9.png]] 364 + 365 + 366 +[[image:image-20220602104251-10.png]] 367 + 368 + 369 +[[image:image-20220602104402-11.png]] 370 + 371 + 372 + 373 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 374 +(% style="color:blue" %)**4. Click to start the download** 375 + 376 +[[image:image-20220602104923-13.png]] 377 + 378 + 379 + 380 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 381 +(% style="color:blue" %)**5. Check update process** 382 + 383 + 384 +[[image:image-20220602104948-14.png]] 385 + 386 + 387 + 388 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 389 +(% style="color:blue" %)**The following picture shows that the burning is successful** 390 + 391 +[[image:image-20220602105251-15.png]] 392 + 393 + 394 + 395 += 3. LA66 USB LoRaWAN Adapter = 396 + 397 + 398 +== 3.1 Overview == 399 + 400 + 401 +[[image:image-20220715001142-3.png||height="145" width="220"]] 402 + 403 + 404 +((( 405 +(% 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. 250 250 ))) 251 251 408 +((( 409 +(% 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. 410 +))) 252 252 412 +((( 413 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 414 +))) 253 253 254 -(% class="wikigeneratedid" id="HHardwareConnection:" %) 255 -(% style="color:blue" %)**Hardware Connection:** 416 +((( 417 +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. 418 +))) 256 256 257 -A USB to Type-C adapter is needed to connect to a Mobile phone. 420 +((( 421 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 422 +))) 258 258 259 -(% style="color:red" %)**Note: The package of LA66 USB adapter already includes this USB Type-C adapter.** 260 260 261 -[[image:image-20220813174353-2.png||height="360" width="313"]] 262 262 426 +== 3.2 Features == 263 263 264 -(% class="wikigeneratedid" id="HDownloadandInstallApp:" %) 265 -(% style="color:blue" %)**Download and Install App:** 428 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 429 +* Ultra-long RF range 430 +* Support LoRaWAN v1.0.4 protocol 431 +* Support peer-to-peer protocol 432 +* TCXO crystal to ensure RF performance on low temperature 433 +* Spring RF antenna 434 +* Available in different frequency LoRaWAN frequency bands. 435 +* World-wide unique OTAA keys. 436 +* AT Command via UART-TTL interface 437 +* Firmware upgradable via UART interface 438 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 266 266 267 - [[(% id="cke_bm_895007S" style="display:none"%)****(%%)**Download Linkfor Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]. (Android VersionOnly)440 +== 3.3 Specification == 268 268 269 -[[image:image-20220813173738-1.png]] 442 +* CPU: 32-bit 48 MHz 443 +* Flash: 256KB 444 +* RAM: 64KB 445 +* Input Power Range: 5v 446 +* Frequency Range: 150 MHz ~~ 960 MHz 447 +* Maximum Power +22 dBm constant RF output 448 +* High sensitivity: -148 dBm 449 +* Temperature: 450 +** Storage: -55 ~~ +125℃ 451 +** Operating: -40 ~~ +85℃ 452 +* Humidity: 453 +** Storage: 5 ~~ 95% (Non-Condensing) 454 +** Operating: 10 ~~ 95% (Non-Condensing) 455 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 456 +* LoRa Rx current: <9 mA 270 270 458 +== 3.4 Pin Mapping & LED == 271 271 272 -(% class="wikigeneratedid" id="HUseofAPP:" %) 273 -(% style="color:blue" %)**Use of APP:** 274 274 275 -Function and page introduction: 276 276 277 - [[image:image-20220723113448-7.png||height="911"width="412"]]462 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 278 278 279 279 280 -(% style="color:blue" %)**Block Explain:** 465 +((( 466 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 467 +))) 281 281 282 -1. Display LA66 USB LoRaWAN Module connection status 283 283 284 - 2.Check andreconnect470 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 285 285 286 -3. Turn send timestamps on or off 287 287 288 - 4. Display LoRaWan connection status473 +[[image:image-20220723100027-1.png]] 289 289 290 -5. Check LoRaWan connection status 291 291 292 - 6.TheRSSI valueofthenode whenthe ACK is received476 +Open the serial port tool 293 293 294 - 7. Node's Signal Strength Icon478 +[[image:image-20220602161617-8.png]] 295 295 296 -8. ConfigureLocationUplink Interval480 +[[image:image-20220602161718-9.png||height="457" width="800"]] 297 297 298 -9. AT command input box 299 299 300 -10. Send Button: Send input box info to LA66 USB Adapter 301 301 302 - 11.OutputLogfromLA66 USB adapter484 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 303 303 304 - 12.clearlogbutton486 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 305 305 306 -13. exit button 307 307 489 +[[image:image-20220602161935-10.png||height="498" width="800"]] 308 308 309 -LA66 USB LoRaWAN Module not connected: 310 310 311 -[[image:image-20220723110520-5.png||height="677" width="508"]] 312 312 493 +(% style="color:blue" %)**3. See Uplink Command** 313 313 314 -Con nectLA66USBLoRaWAN Module:495 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 315 315 316 - [[image:image-20220723110626-6.png||height="681" width="511"]]497 +example: AT+SENDB=01,02,8,05820802581ea0a5 317 317 499 +[[image:image-20220602162157-11.png||height="497" width="800"]] 318 318 319 -=== 1.9.2 Send data to TTNv3 and plot location info in Node-Red === 320 320 321 321 322 -(% style="color:blue" %)** 1.RegisterLA66USB LoRaWANModule toTTNV3**503 +(% style="color:blue" %)**4. Check to see if TTN received the message** 323 323 324 -[[image:image-20220 723134549-8.png]]505 +[[image:image-20220602162331-12.png||height="420" width="800"]] 325 325 326 326 327 -(% style="color:blue" %)**2. Open Node-RED,And import the JSON file to generate the flow** 328 328 509 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 329 329 330 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download. 331 331 332 - Fortheusageof Node-RED,please refer to:[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]512 +**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]] 333 333 334 - AfterseeLoRaWAN Online, walk arounddtheAPP will keependinglocationto LoRaWAN serverandthentheNodeRed.514 +(**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]]) 335 335 336 - LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-REDat main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]516 +(% style="color:red" %)**Preconditions:** 337 337 518 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 338 338 339 - ExampleutputinNodeRed isasbelow:520 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 340 340 341 -[[image:image-20220723144339-1.png]] 342 342 343 343 344 - ==1.10 UpgradeFirmwareof LA66 USBLoRaWANAdapter ==524 +(% style="color:blue" %)**Steps for usage:** 345 345 346 -= ==1.10.1LA66V1Updatemethod ===526 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 347 347 528 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 348 348 349 - The LA66 USB LoRaWAN Adapteris the sameas theLA66 LoRaWAN Shieldupdate method.530 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 350 350 351 -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). 352 352 353 -**Firmware download:** 354 354 355 - [[Firmware-Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]534 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 356 356 357 -(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.** 358 358 359 - [[image:image-20220723150132-2.png||height="514"width="506"]]537 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 360 360 361 361 362 -(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %) 363 -(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade** 540 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 364 364 365 - **1. Software download link:[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**542 +[[image:image-20220723100439-2.png]] 366 366 367 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]] 368 368 369 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png" height="486" width="390"]] 370 370 546 +(% style="color:blue" %)**2. Install Minicom in RPi.** 371 371 372 - **2.Select theCOM portcorrespondingtoUSBTTL**548 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 373 373 374 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png" height="291"width="389"]]550 + (% style="background-color:yellow" %)**apt update** 375 375 552 + (% style="background-color:yellow" %)**apt install minicom** 376 376 377 -**3. Select the bin file to burn** 378 378 379 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png" height="318" width="405"]]555 +Use minicom to connect to the RPI's terminal 380 380 381 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png"height="330" width="579"]]557 +[[image:image-20220602153146-3.png||height="439" width="500"]] 382 382 383 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png" height="290" width="372"]] 384 384 385 385 386 -** 4.Clicktostart thedownload**561 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 387 387 388 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png"height="462"width="372"]]563 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 389 389 390 390 391 - **5.Checkupdate process**566 +[[image:image-20220602154928-5.png||height="436" width="500"]] 392 392 393 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png" height="483" width="386"]] 394 394 395 395 396 - **Thefollowing pictureshowsthat theburningis successful**570 +(% style="color:blue" %)**4. Send Uplink message** 397 397 398 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png" height="513" width="406"]]572 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 399 399 574 +example: AT+SENDB=01,02,8,05820802581ea0a5 400 400 401 -=== 1.10.2 LA66V2 Update method === 402 402 577 +[[image:image-20220602160339-6.png||height="517" width="600"]] 403 403 404 -**Firmware download(Please select withbootloader version):** 405 405 406 -[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]] 407 407 581 +Check to see if TTN received the message 408 408 409 - **Firmwareupdatemethod:**583 +[[image:image-20220602160627-7.png||height="369" width="800"]] 410 410 411 -Please refer to this link 412 412 413 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe]] 414 414 587 +== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. == 415 415 416 -= 2. FAQ = 417 417 418 -== 2.1How to Compile Source Code forLA66?==590 +=== 3.8.1 DRAGINO-LA66-APP === 419 419 420 420 421 - Compile and Upload Code to ASR6601 Platform :[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compileand Upload Codeto ASR6601Platform.WebHome]]593 +[[image:image-20220723102027-3.png]] 422 422 423 423 424 -== 2.2 Where to find Peer-to-Peer firmware of LA66? == 425 425 597 +==== (% style="color:blue" %)**Overview:**(%%) ==== 426 426 427 -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]] 428 428 600 +((( 601 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter. 602 +))) 429 429 430 -== 2.3 My device keeps showing invalid credentials, the device goes into low power mode == 604 +((( 605 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 606 +))) 431 431 432 432 433 -Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666** 434 434 610 +==== (% style="color:blue" %)**Conditions of Use:**(%%) ==== 435 435 436 -== 2.4 How to use external antenna via ipex connector? == 437 437 613 +Requires a type-c to USB adapter 438 438 439 -You need to remove the spring antenna first, and also remove the resistor and capacitor. 440 -Connect external antenna. 615 +[[image:image-20220723104754-4.png]] 441 441 442 -[[image:image-20231129155939-1.png||height="529" width="397"]] 443 443 444 444 445 -= 3.OrderInfo =619 +==== (% style="color:blue" %)**Use of APP:**(%%) ==== 446 446 447 447 448 - **Part Number:** (% style="color:blue"%)**LA66-USB-LoRaWAN-Adapter-XXX**622 +Function and page introduction 449 449 450 - (% style="color:blue" %)**XXX**(%%): Thedefaultfrequency band624 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 451 451 452 -* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 453 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 454 -* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 455 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 456 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 457 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 458 -* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 459 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 460 -* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 461 461 462 - = 4.ference=627 +1.Display LA66 USB LoRaWAN Module connection status 463 463 629 +2.Check and reconnect 464 464 465 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]] 466 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]]. 631 +3.Turn send timestamps on or off 467 467 468 - = 5.FCC Statement=633 +4.Display LoRaWan connection status 469 469 635 +5.Check LoRaWan connection status 470 470 471 - (%style="color:red"%)**FCCCaution:**637 +6.The RSSI value of the node when the ACK is received 472 472 473 - Any Changesor modifications notexpresslyapproved by the party responsible for compliance couldvoidthe user's authority to operate theequipment.639 +7.Node's Signal Strength Icon 474 474 475 - This device complies withpart15 of theFCC Rules. Operation is subject to thefollowingtwoconditions: (1) This device maynot cause harmful interference, and(2) this device must accept anyinterference received, includinginterferencethat may causeundesiredoperation.641 +8.Set the packet sending interval of the node in seconds 476 476 643 +9.AT command input box 477 477 478 - (% style="color:red"%)**IMPORTANTNOTE:**645 +10.Send AT command button 479 479 480 - (% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part15 of the FCC Rules.These limits are designed toprovidereasonable protection againstharmful 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 canbe determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of the following measures:647 +11.Node log box 481 481 482 - —Reorientor relocate the receivingantenna.649 +12.clear log button 483 483 484 - —Increasetheseparationbetweenthe equipment and receiver.651 +13.exit button 485 485 486 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 487 487 488 - —Consultthedealeroranexperiencedradio/TVtechnicianfor help.654 +LA66 USB LoRaWAN Module not connected 489 489 656 +[[image:image-20220723110520-5.png||height="903" width="677"]] 490 490 491 -(% style="color:red" %)**FCC Radiation Exposure Statement: ** 492 492 493 -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. 494 494 495 - 660 +Connect LA66 USB LoRaWAN Module 661 + 662 +[[image:image-20220723110626-6.png||height="906" width="680"]] 663 + 664 + 665 + 666 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED === 667 + 668 + 669 +(% style="color:blue" %)**1. Register LA66 USB LoRaWAN Module to TTNV3** 670 + 671 +[[image:image-20220723134549-8.png]] 672 + 673 + 674 + 675 +(% style="color:blue" %)**2. Open Node-RED,And import the JSON file to generate the flow** 676 + 677 +Sample JSON file please go to this link to download:放置JSON文件的链接 678 + 679 +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/]] 680 + 681 +The following is the positioning effect map 682 + 683 +[[image:image-20220723144339-1.png]] 684 + 685 + 686 + 687 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 688 + 689 + 690 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method 691 + 692 +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) 693 + 694 +[[image:image-20220723150132-2.png]] 695 + 696 + 697 + 698 += 4. FAQ = 699 + 700 + 701 +== 4.1 How to Compile Source Code for LA66? == 702 + 703 + 704 +Compile and Upload Code to ASR6601 Platform :[[Instruction>>Compile and Upload Code to ASR6601 Platform]] 705 + 706 + 707 + 708 += 5. Order Info = 709 + 710 + 711 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 712 + 713 + 714 +(% style="color:blue" %)**XXX**(%%): The default frequency band 715 + 716 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 717 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 718 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 719 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 720 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 721 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 722 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 723 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 724 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 725 + 726 + 727 + 728 + 729 + 730 += 6. Reference = 731 + 732 + 733 +* 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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