Changes for page PG1302 -- LoRaWAN Concentrator User Manual
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... ... @@ -1,32 +1,567 @@ 1 -{{box cssClass="floatinginfobox" title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 1 + 4 4 5 -= Paragraph 1 = 3 +(% style="text-align:center" %) 4 +[[image:Main.User Manual for All Gateway models.WebHome@pg1302.jpg]] 6 6 7 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 8 8 9 -== Sub-paragraph == 10 10 11 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 12 12 13 - == Sub-paragraph==9 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif]] 14 14 15 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 16 16 17 -=== Sub-sub paragraph === 18 18 19 -Lo rem ipsum dolor sitamet,consectetur adipiscing elit, sed do eiusmod temporincididunt ut labore etdoloremagna aliqua.Ut enim ad minim veniam, quisnostrudexercitationullamco laborisnisiutaliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.13 +**PG1302 LoRaWAN Concentrator User Manual** 20 20 15 +[[image:1651796979665-130.png]] 21 21 22 - =Paragraph2 =17 +Document Version: 1.0.0 23 23 24 - Loremipsum dolor sitamet, consectetur adipiscinglit,sed do eiusmod temporincididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quisnostrud exercitationullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit involuptate velit esse cillum dolore eu fugiat nulla pariatur.Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.19 +Image Version: v1.0 25 25 26 -== Sub-paragraph == 27 27 28 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 29 29 30 -== Sub-paragraph == 31 31 32 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 24 +{{toc numbered="true"/}} 25 + 26 + 27 + 28 + 29 +~1. Introduction 30 + 31 + 1.1 What is PG1302 LoRaWAN Concentrator? 32 + 33 +((( 34 +((( 35 +((( 36 + The PG1302 is a multi-channel high performance transmitter/receiver designed to simultaneously receive several LoRa packets using random spreading factors on 37 +))) 38 +))) 39 +))) 40 + 41 +((( 42 +((( 43 +((( 44 + random channels. Its goal is to enable robust connection between a central wireless data concentrator and a massive amount of wireless end-points spread over a very wide 45 +))) 46 +))) 47 +))) 48 + 49 +((( 50 +((( 51 +((( 52 + range of distances. 53 +))) 54 +))) 55 + 56 +((( 57 + 58 +))) 59 +))) 60 + 61 +((( 62 +((( 63 +((( 64 + The PG1302 is design to use with Raspberry Pi to build smart metering fixed networks and Internet of Things applications with up to 5000 nodes per km2 in moderately 65 +))) 66 +))) 67 +))) 68 + 69 +((( 70 +((( 71 +((( 72 + interfered environment. 73 +))) 74 +))) 75 + 76 +((( 77 + 78 +))) 79 +))) 80 + 81 +((( 82 +((( 83 +((( 84 + PG1302 is fully compatible with RPi3/4, users can use the pre-build OS from Dragino to set up and easy to use the module by Web UI. Or install the raw lorawan driver 85 +))) 86 +))) 87 +))) 88 + 89 +((( 90 +((( 91 +((( 92 + in the exist OS. 93 +))) 94 + 95 + 96 +))) 97 +))) 98 + 99 +1.2 Features 100 + 101 +* Base on Semtech SX1302 solution 102 +* Support Raspberry Pi 3B/3B+/4 103 +* Up to -140dBm sensitivity 104 +* Support 3.3v and 5v. 105 +* Mini-PCIe Interface 106 +* Converter board to support Raspberry Pi 107 + 108 +1.3 General Interfaces 109 + 110 +* SPI interface for LoRa 111 +* Power Input: 5v, 1A 112 +* 1 x I-PEX for LoRa 113 + 114 +1.4 Pin Mapping 115 + 116 + [[image:1651743282627-547.png||height="402" width="425"]] 117 + 118 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif]] 119 + 120 +1.5 LEDs 121 + 122 + TX: Blink when transmit a packet 123 + 124 + RX: Blink when receive a packet 125 + 126 + Config: Always ON 127 + 128 +1.6 Power Consumption 129 + 130 + TBD 131 + 132 +1.7 Applications 133 + 134 +* Smart Buildings & Home Automation 135 +* Logistics and Supply Chain Management 136 +* Smart Metering 137 +* Smart Agriculture 138 +* Smart Cities 139 +* Smart Factory 140 + 141 +2. Example: Set up as LoRaWAN gateway. 142 + 143 + 2.1 System structure 144 + 145 + This example is an example to show how to set up the PG1302 + RPi as a LoRaWAN gateway to use with [[TheThingsNetwork>>http://www.thethingsnetwork.org/]](TTN) LoRaWAN server.. Set up method for other server are similar。 146 + 147 +(% style="text-align:center" %) 148 +[[image:1651743698677-436.png||height="457" width="686"]] 149 + 150 + 151 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.gif]] 152 + 153 +2.2 Hardware Installation 154 + 155 +**~ Important Notice: **Please power the RPI with 5V,3A cable. 156 + 157 +(% style="text-align:center" %) 158 +[[image:1651743803032-803.png]] 159 + 160 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.gif]] 161 + 162 +3. Install the software? 163 + 164 + There are two ways to install software in RPi4 to use PG1302. 165 + 166 +* Flash SD card with Dragino pre-build image which support Web UI. 167 +* Install lora packet forwarder in existing RPi OS. 168 + 169 +4. Flash with pre-build image 170 + 171 + 4.1 Download the dragino image for RPI 172 + 173 + Download PG1302_for_Rpi4_64_with_webui from 174 + 175 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 176 + 177 +4.2 Flash the image to SD card 178 + 179 + Flash the image to SD card: 180 + 181 +(% style="text-align:center" %) 182 +[[image:1651744119133-233.png||height="373" width="621"]] 183 + 184 + [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.jpg]]Note: Download the flash tool following this link 185 + 186 + [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 187 + 188 +4.3 Access the Linux console. 189 + 190 + Connect the RPI Ethernet port to your router, RPi will obtain an IP address from your router. In the router’s management portal, you should be able to find what IP address the router has assigned to the RPI. You can use this IP to connect the WEB UI or SSH access of RPI. 191 + 192 + Make sure your PC and the RPI is in the same network, then use a SSH tool (such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]]) to access it. Below are screenshots 193 + 194 +(% style="text-align:center" %) 195 +[[image:1651744193675-591.png||height="450" width="466"]] 196 + 197 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.jpg]] 198 + 199 + The account details for Web Login are: 200 + 201 +**~ User Name: root** 202 + 203 +**~ Password: dragino** 204 + 205 + 206 +**~ Backup account** 207 + 208 +**~ Pi/dragino** 209 + 210 + 211 + After log in, you will be in the Linux console and type command here. 212 + 213 +(% style="text-align:center" %) 214 +[[image:1651744358515-107.png||height="366" width="581"]] 215 + 216 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.jpg]] 4.4 Access the WebUI of RPi4. 217 + 218 + 4.4.1 Home page 219 + 220 + Open a browser on the PC and type the RPI ip address 221 + 222 + [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 223 + 224 + 225 + You will see the login interface of RPI as shown below. 226 + 227 + The account details for Web Login are: 228 + 229 +**~ User Name: root** 230 + 231 +**~ Password: dragino** 232 + 233 +(% style="text-align:center" %) 234 +[[image:1651744457761-993.png||height="352" width="621"]] 235 + 236 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.jpg]] 237 + 238 +4.4.2 LoRa Page 239 + 240 + This page shows the LoRa Radio Settings. There are a set of default frequency band according to LoRaWAN protocol, and user can customize the band* as well. 241 + 242 +(% style="text-align:center" %) 243 +[[image:1651744554845-970.png||height="328" width="621"]] 244 + 245 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.jpg]] 246 + 247 + Different PG1302 hardware version can support different frequency range: 248 + 249 + ➢ 868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 250 + 251 + ➢ 915: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920 252 + 253 + 254 + After user choose the frequency plan, he can see the actually frequency in used by checking the 255 + 256 + page LogRead ~-~-> LoRa Log 257 + 258 + Note *: See this instruction for how to customize frequency band 259 + 260 + [[http:~~/~~/wiki.dragino.com/index.php?title=Customized_Frequency_Band_for_Gateway>>url:http://wiki.dragino.com/index.php?title=Customized_Frequency_Band_for_Gateway]] 261 + 262 + 263 +4.4.3 LoRaWAN Page 264 + 265 + 4.4.3.1 Semtech UDP 266 + 267 + 268 +(% style="text-align:center" %) 269 +[[image:1651744767914-283.png||height="352" width="621"]] 270 + 271 + 272 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.jpg]] 273 + 274 + Note *: See this instruction for how to configure TTN. 275 + 276 + [[https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_TTN>>url:https://wiki.dragino.com/index.php?title=Notes_for_TTN]] 277 + 278 + 279 +4.4.3.2 Basic Station 280 + 281 +(% style="text-align:center" %) 282 +[[image:1651744890629-683.png||height="380" width="621"]] 283 + 284 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.jpg]] 285 + 286 + Note *: See this instruction for how to configure TTN. 287 + 288 + [[https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_AWS-IoT-Core>>url:https://wiki.dragino.com/index.php?title=Notes_for_AWS-IoT-Core]] 289 + 290 + 291 +4.4.4 LogRead 292 + 293 + 4.4.4.1 LoRa Log 294 + 295 +(% style="text-align:center" %) 296 +[[image:1651744955955-452.png||height="571" width="621"]] 297 + 298 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.jpg]] 299 + 300 + Show the frequency for LoRa Radio and traffics. 301 + 302 + 303 +4.4.4.2 System Log 304 + 305 + Show system log. 306 + 307 +(% style="text-align:center" %) 308 +[[image:1651745003470-264.png||height="477" width="621"]] 309 + 310 + 311 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.jpg]] 312 + 313 +4.4.4.3 Record Log 314 + 315 + 316 +**Record the system log.** 317 + 318 +(% style="text-align:center" %) 319 +[[image:1651745069814-662.png||height="144" width="621"]] 320 + 321 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.jpg]] 322 + 323 +5. Install stand alone LoRa Packet Forwarder. 324 + 325 + 5.1 OS requirement 326 + 327 + RPI in this example is RPI model 4B with fresh Raspbian OS install. 328 + 329 + pi@raspberrypi:~~$ cat /etc/os-release 330 + 331 + PRETTY_NAME="Raspbian GNU/Linux 8 (jessie)" 332 + 333 + NAME="Raspbian GNU/Linux" 334 + 335 + VERSION_ID="8" 336 + 337 + VERSION="8 (jessie)" 338 + 339 + ID=raspbian 340 + 341 + ID_LIKE=debian 342 + 343 + HOME_URL="http:~/~/www.raspbian.org/" 344 + 345 + SUPPORT_URL="http:~/~/www.raspbian.org/RaspbianForums" 346 + 347 + BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs" 348 + 349 + 350 +5.2 Get Gateway ID in Raspberry and input this in TTN v3. 351 + 352 + In RPI, run below command to get a Gateway ID 353 + 354 + ifconfig eth0 355 + 356 +(% style="text-align:center" %) 357 +[[image:1651745210205-512.png||height="130" width="621"]] 358 + 359 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.gif]] 360 + 361 + We got the ether (eth0 MAC) address is b8:27:eb:49:62:bc). Add ffff at the end and remove “:” to get the gateway ID: b827ebxxxxbcffff. Input this to TTN v3. Make sure to select legacy packet forwarder. 362 + 363 +(% style="text-align:center" %) 364 +[[image:1651745267862-321.png||height="526" width="621"]] 365 + 366 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.jpg]] 367 + 368 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.jpg]] 369 + 370 +(% style="text-align:center" %) 371 +[[image:1651745306744-481.png||height="478" width="621"]] 372 + 373 +(% style="text-align:center" %) 374 +[[image:1651745366987-458.png||height="363" width="621"]] 375 + 376 +After set up, the status should show not connected as below: 377 + 378 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.jpg]] 379 + 380 +5.2.1 Download and install LoRaWAN packet forwarder 381 + 382 + 383 + Enable SPI and I2C first: 384 + 385 + a)SPI needs to be enabled on the Raspberry Pi 386 + 387 + Run sudo raspi-config to open the config window 388 + 389 +(% style="text-align:center" %) 390 +[[image:1651745476754-240.png||height="235" width="631"]] 391 + 392 + 393 +(% style="text-align:center" %) 394 +[[image:image-20220505181135-1.png]] 395 + 396 +(% style="text-align:center" %) 397 +[[image:image-20220505181135-2.png]] 398 + 399 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image044.jpg]] 400 + 401 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image046.jpg]] 402 + 403 + 404 + 405 + 406 + 407 + In RPI , Fist: Enter root account: 408 + 409 +(% style="text-align:center" %) 410 +[[image:1651745583363-614.png]] 411 + 412 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image048.jpg]] 413 + 414 + and then run: 415 + 416 + wget [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh>>url:https://www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh]] 417 + 418 + chmod +x ./auto_install.sh 419 + 420 + ./auto_install.sh 421 + 422 +(% style="text-align:center" %) 423 +[[image:1651745611629-818.png]] 424 + 425 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image050.gif]] 426 + 427 + This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 428 + 429 + You can get these output: 430 + 431 +(% style="text-align:center" %) 432 +[[image:1651745657252-173.png||height="426" width="621"]] 433 + 434 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image052.jpg]] 435 + 436 +5.5.2 Config Gateway ID, Frequency Band and Server address 437 + 438 + After installation, user can find the configuration file in** /etc/lora/ **Replace the gateway ID we got above to the **gateway_ID** in file **local_conf.json** 439 + 440 + The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file **local_conf.json**, like below. 441 + 442 +(% style="text-align:center" %) 443 +[[image:1651745709709-887.png||height="820" width="621"]] 444 + 445 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image054.jpg]] 446 + 447 + User can find the TTN v3 server address from: 448 + 449 + [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 450 + 451 + 452 + And the default frequency band is US915 in **global_conf.json** file. 453 + 454 +(% style="text-align:center" %) 455 +[[image:1651745838008-820.png||height="650" width="621"]] 456 + 457 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image056.jpg]] 458 + 459 +* If user want to change to other frequency bands, User can copy the file from **/etc/lora/cfg-302 **and put it into** /etc/lora/global_conf.json.** 460 + 461 + 1).Chose your need the name of region frequency. 462 + 463 +(% style="text-align:center" %) 464 +[[image:1651745867516-322.png]] 465 + 466 + 467 + 2). Use this command to copy it. 468 + 469 + cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 470 + 471 +(% style="text-align:center" %) 472 +[[image:1651745984006-868.png]] 473 + 474 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image060.jpg]] 475 + 476 +* If user wants to change to other LoRaWAN server, modify the **global_conf.json** file. 477 + 478 +5.2.3 Check result 479 + 480 + Run below command to restart the dragino_fwd: 481 + 482 + sudo systemctl stop draginofwd 483 + 484 + sudo systemctl start draginofwd 485 + 486 + debug check the ruing status of fwd: 487 + 488 + sudo systemctl status draginofwd 489 + 490 +(% style="text-align:center" %) 491 +[[image:1651746045057-414.png]] 492 + 493 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image062.jpg]] 494 + 495 + The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 496 + 497 +(% style="text-align:center" %) 498 +[[image:1651746078253-168.png||height="372" width="621"]] 499 + 500 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image064.jpg]] 501 + 502 + 503 + We can check dragino_fwd running states in RPi by running: 504 + 505 + sudo journalctl -u draginofwd -f 506 + 507 +(% style="text-align:center" %) 508 +[[image:1651746111963-838.png]] 509 + 510 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image066.gif]] 511 + 512 + 513 + If there are LoRaWAN nodes transmits nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data 514 + 515 +(% style="text-align:center" %) 516 +[[image:1651746139304-966.png||height="326" width="621"]] 517 + 518 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image068.jpg]] 519 + 520 +5.2.4 Commands to handle service 521 + 522 +* **Stop** dragino_fwd service: sudo systemctl stop draginofwd 523 +* **Disable** dragino_fwd auto run after boot: sudo systemctl disable draginofwd 524 +* **Start** dragino_fwd : sudo systemctl start draginofwd 525 +* **Auto run** dragino_fwd after boot: sudo systemctl enable draginofwd 526 +* **Show status** of dragino_fwd: sudo systemctl status draginofwd 527 + 528 +6. Order Info 529 + 530 + Part Number: **PG1302-XX** Or Part Number: **PG1302-PI-XX **(Include RPi converter board for RPI 3/4) 531 + 532 +**~ XX:** 533 + 534 +* 868 (For Bands: EU868,IN865) 535 +* 915 (For Bands: US915,AU915,AS923,KR920) 536 +* 470 (For Band: CN470) 537 + 538 +7. Packing Info 539 + 540 +**~ PG1302 Package Includes**: 541 + 542 +* PG1302 x 1 543 +* LoRa Antenna x 1 544 + 545 +**~ PG1302-PI Package Includes**: 546 + 547 +* PG1302 x 1 548 +* LoRa Antenna x 1 549 +* RPi3/4 converter PCB 550 +* Screws to hole converter PCB on RPI. 551 + 552 +8. Reference 553 + 554 +* Datasheet, User Manual & Software Download: 555 + 556 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>url:https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 557 + 558 + 559 +9. Support 560 + 561 +* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 562 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 563 + 564 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 565 + 566 + 567 +
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