Changes for page PG1302 -- LoRaWAN Concentrator User Manual
Last modified by Kilight Cao on 2024/06/22 10:43
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... ... @@ -6,49 +6,39 @@ 6 6 7 7 8 8 9 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif]] 9 9 10 10 11 11 12 12 **PG1302 LoRaWAN Concentrator User Manual** 13 13 15 +[[image:1651796979665-130.png]] 14 14 17 +Document Version: 1.0.0 15 15 19 +Image Version: v1.0 16 16 17 17 18 -{{toc/}} 19 19 20 20 21 - ----24 +{{toc numbered="true"/}} 22 22 23 -(% class="wikigeneratedid" id="H" %) 24 -((( 25 - 26 -))) 27 27 28 -=== 1. Introduction === 29 29 30 -==== 1.1 What is PG1302 LoRaWAN Concentrator? ==== 31 31 32 -((( 33 -The PG1302 is a multi-channel high performance transmitter/receiver designed to simultaneously receive several LoRa packets using random spreading factors on 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 range of distances. 34 -))) 29 +~1. Introduction 35 35 36 -((( 37 -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 interfered environment. 38 -))) 31 + 1.1 What is PG1302 LoRaWAN Concentrator? 39 39 40 -((( 41 -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 in the exist OS. 42 -))) 33 + The PG1302 is a multi-channel high performance transmitter/receiver designed to simultaneously receive several LoRa packets using random spreading factors on 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 range of distances. 43 43 44 -((( 45 -((( 46 - 47 -))) 48 -))) 35 + 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 interfered environment. 49 49 50 - ====1.2Features====37 + 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 in the exist OS. 51 51 39 + 40 +1.2 Features 41 + 52 52 * Base on Semtech SX1302 solution 53 53 * Support Raspberry Pi 3B/3B+/4 54 54 * Up to -140dBm sensitivity ... ... @@ -56,20 +56,20 @@ 56 56 * Mini-PCIe Interface 57 57 * Converter board to support Raspberry Pi 58 58 59 - ====1.3 General Interfaces====49 +1.3 General Interfaces 60 60 61 61 * SPI interface for LoRa 62 62 * Power Input: 5v, 1A 63 63 * 1 x I-PEX for LoRa 64 64 65 - ====1.4 Pin Mapping====55 +1.4 Pin Mapping 66 66 67 67 [[image:1651743282627-547.png||height="402" width="425"]] 68 68 59 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif]] 69 69 61 +1.5 LEDs 70 70 71 -==== 1.5 LEDs ==== 72 - 73 73 TX: Blink when transmit a packet 74 74 75 75 RX: Blink when receive a packet ... ... @@ -76,14 +76,12 @@ 76 76 77 77 Config: Always ON 78 78 69 +1.6 Power Consumption 79 79 80 -==== 1.6 Power Consumption ==== 81 - 82 82 TBD 83 83 73 +1.7 Applications 84 84 85 -==== 1.7 Applications ==== 86 - 87 87 * Smart Buildings & Home Automation 88 88 * Logistics and Supply Chain Management 89 89 * Smart Metering ... ... @@ -91,20 +91,19 @@ 91 91 * Smart Cities 92 92 * Smart Factory 93 93 94 - ===2. Example: Set up as LoRaWAN gateway.===82 +2. Example: Set up as LoRaWAN gateway. 95 95 96 - ====2.1 System structure====84 + 2.1 System structure 97 97 98 - This example is an example to show how to set up the PG1302 + RPi as a LoRaWAN gateway to use with [[TheThingsNetwork>> url:http://www.thethingsnetwork.org/]](TTN) LoRaWAN server.86 + 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。 99 99 100 - Set up method for other server are similar. 101 - 102 102 (% style="text-align:center" %) 103 103 [[image:1651743698677-436.png||height="457" width="686"]] 104 104 105 105 92 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.gif]] 106 106 107 - ====2.2 Hardware Installation====94 +2.2 Hardware Installation 108 108 109 109 **~ Important Notice: **Please power the RPI with 5V,3A cable. 110 110 ... ... @@ -111,54 +111,44 @@ 111 111 (% style="text-align:center" %) 112 112 [[image:1651743803032-803.png]] 113 113 101 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.gif]] 114 114 103 +3. Install the software? 115 115 116 -=== 3. Install the software? === 117 - 118 118 There are two ways to install software in RPi4 to use PG1302. 119 119 120 120 * Flash SD card with Dragino pre-build image which support Web UI. 121 121 * Install lora packet forwarder in existing RPi OS. 122 122 123 - ===4. Flash with pre-build image===110 +4. Flash with pre-build image 124 124 125 - ====4.1 Download the dragino image for RPI====112 + 4.1 Download the dragino image for RPI 126 126 127 127 Download PG1302_for_Rpi4_64_with_webui from 128 128 129 129 [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 130 130 118 +4.2 Flash the image to SD card 131 131 132 - ====4.2Flash the image to SD card====120 + Flash the image to SD card: 133 133 134 - Flash the image to SD card: 135 - 136 136 (% style="text-align:center" %) 137 137 [[image:1651744119133-233.png||height="373" width="621"]] 138 138 139 - Note: Download the flash tool following this link 125 + [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.jpg]]Note: Download the flash tool following this link 140 140 141 141 [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 142 142 129 +4.3 Access the Linux console. 143 143 144 - ====4.3Access theLinuxconsole====131 + 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. 145 145 146 -((( 147 - 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 148 -))) 133 + 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 149 149 150 -((( 151 - 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. 152 -))) 153 - 154 -((( 155 - 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 156 -))) 157 - 158 - 159 159 (% style="text-align:center" %) 160 160 [[image:1651744193675-591.png||height="450" width="466"]] 161 161 138 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.jpg]] 162 162 163 163 The account details for Web Login are: 164 164 ... ... @@ -177,18 +177,18 @@ 177 177 (% style="text-align:center" %) 178 178 [[image:1651744358515-107.png||height="366" width="581"]] 179 179 157 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.jpg]] 4.4 Access the WebUI of RPi4. 180 180 181 - ====4.4AccesstheWebUI of RPi4. ====159 + 4.4.1 Home page 182 182 183 - =====4.4.1Homepage=====161 + Open a browser on the PC and type the RPI ip address 184 184 185 - Openabrowseronthe PCandtypethe RPI ipaddress163 + [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 186 186 187 - [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 188 188 189 - You will see the login interface of RPI as shown below. 166 + You will see the login interface of RPI as shown below. 190 190 191 - The account details for Web Login are: 168 + The account details for Web Login are: 192 192 193 193 **~ User Name: root** 194 194 ... ... @@ -197,8 +197,9 @@ 197 197 (% style="text-align:center" %) 198 198 [[image:1651744457761-993.png||height="352" width="621"]] 199 199 177 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.jpg]] 200 200 201 - =====4.4.2 LoRa Page=====179 +4.4.2 LoRa Page 202 202 203 203 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. 204 204 ... ... @@ -205,6 +205,7 @@ 205 205 (% style="text-align:center" %) 206 206 [[image:1651744554845-970.png||height="328" width="621"]] 207 207 186 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.jpg]] 208 208 209 209 Different PG1302 hardware version can support different frequency range: 210 210 ... ... @@ -222,61 +222,71 @@ 222 222 [[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]] 223 223 224 224 225 - =====4.4.3 LoRaWAN Page=====204 +4.4.3 LoRaWAN Page 226 226 227 - ======4.4.3.1 Semtech UDP======206 + 4.4.3.1 Semtech UDP 228 228 229 229 230 230 (% style="text-align:center" %) 231 231 [[image:1651744767914-283.png||height="352" width="621"]] 232 232 233 - Note *: See this instruction for how to configure TTN. 234 234 235 - https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_TTN>>url:https://wiki.dragino.com/index.php?title=Notes_for_TTN||style="background-color: rgb(255, 255, 255);"]]213 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.jpg]] 236 236 215 + Note *: See this instruction for how to configure TTN. 237 237 238 - ======4.4.3.2BasicStation=====217 + [[https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_TTN>>url:https://wiki.dragino.com/index.php?title=Notes_for_TTN]] 239 239 219 + 220 +4.4.3.2 Basic Station 221 + 240 240 (% style="text-align:center" %) 241 241 [[image:1651744890629-683.png||height="380" width="621"]] 242 242 243 - Note*:Seethisinstruction forhowtoconfigureTTN.225 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.jpg]] 244 244 245 - [[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]]227 + Note *: See this instruction for how to configure TTN. 246 246 229 + [[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]] 247 247 248 -===== 4.4.4 LogRead ===== 249 249 250 - ======4.4.4.1LoRaLog ======232 +4.4.4 LogRead 251 251 234 + 4.4.4.1 LoRa Log 235 + 252 252 (% style="text-align:center" %) 253 253 [[image:1651744955955-452.png||height="571" width="621"]] 254 254 255 - Show therequency forLoRaRadiondtraffics.239 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.jpg]] 256 256 241 + Show the frequency for LoRa Radio and traffics. 257 257 258 -====== 4.4.4.2 System Log ====== 259 259 260 - how systemlog.244 +4.4.4.2 System Log 261 261 246 + Show system log. 247 + 262 262 (% style="text-align:center" %) 263 263 [[image:1651745003470-264.png||height="477" width="621"]] 264 264 265 265 252 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.jpg]] 266 266 267 - ======4.4.4.3 Record Log======254 +4.4.4.3 Record Log 268 268 269 -**~ Record the system log.** 270 270 257 +**Record the system log.** 258 + 271 271 (% style="text-align:center" %) 272 272 [[image:1651745069814-662.png||height="144" width="621"]] 273 273 262 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.jpg]] 274 274 275 - ===5. Install stand alone LoRa Packet Forwarder.===264 +5. Install stand alone LoRa Packet Forwarder. 276 276 277 - ====5.1 OS requirement====266 + 5.1 OS requirement 278 278 279 - RPI in this example is RPI model 4B with fresh Raspbian OS install. 268 + RPI in this example is RPI model 4B with fresh Raspbian OS install. 280 280 281 281 pi@raspberrypi:~~$ cat /etc/os-release 282 282 ... ... @@ -299,36 +299,39 @@ 299 299 BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs" 300 300 301 301 302 - ====5.2 Get Gateway ID in Raspberry and input this in TTN v3.====291 +5.2 Get Gateway ID in Raspberry and input this in TTN v3. 303 303 304 - In RPI, run below command to get a Gateway ID 293 + In RPI, run below command to get a Gateway ID 305 305 306 - (%class="mark"%)ifconfig eth0295 + ifconfig eth0 307 307 308 308 (% style="text-align:center" %) 309 309 [[image:1651745210205-512.png||height="130" width="621"]] 310 310 300 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.gif]] 311 311 312 - 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. 302 + 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. 313 313 314 - Make sure to select legacy packet forwarder. 315 - 316 316 (% style="text-align:center" %) 317 317 [[image:1651745267862-321.png||height="526" width="621"]] 318 318 307 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.jpg]] 319 319 309 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.jpg]] 320 320 321 321 (% style="text-align:center" %) 322 322 [[image:1651745306744-481.png||height="478" width="621"]] 323 323 324 -After set up, the status should show not connected as below: 325 - 326 326 (% style="text-align:center" %) 327 327 [[image:1651745366987-458.png||height="363" width="621"]] 328 328 317 +After set up, the status should show not connected as below: 329 329 330 - ===== 5.2.1 Download andinstallLoRaWAN packet forwarder =====319 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.jpg]] 331 331 321 +5.2.1 Download and install LoRaWAN packet forwarder 322 + 323 + 332 332 Enable SPI and I2C first: 333 333 334 334 a)SPI needs to be enabled on the Raspberry Pi ... ... @@ -345,14 +345,20 @@ 345 345 (% style="text-align:center" %) 346 346 [[image:image-20220505181135-2.png]] 347 347 340 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image044.jpg]] 348 348 342 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image046.jpg]] 349 349 350 350 345 + 346 + 347 + 351 351 In RPI , Fist: Enter root account: 352 352 353 353 (% style="text-align:center" %) 354 354 [[image:1651745583363-614.png]] 355 355 353 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image048.jpg]] 356 356 357 357 and then run: 358 358 ... ... @@ -365,6 +365,7 @@ 365 365 (% style="text-align:center" %) 366 366 [[image:1651745611629-818.png]] 367 367 366 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image050.gif]] 368 368 369 369 This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 370 370 ... ... @@ -373,27 +373,30 @@ 373 373 (% style="text-align:center" %) 374 374 [[image:1651745657252-173.png||height="426" width="621"]] 375 375 375 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image052.jpg]] 376 376 377 - =====5.2.2 Config Gateway ID, Frequency Band and Server address=====377 +5.5.2 Config Gateway ID, Frequency Band and Server address 378 378 379 - 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** 379 + 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** 380 380 381 - 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. 381 + 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. 382 382 383 383 (% style="text-align:center" %) 384 384 [[image:1651745709709-887.png||height="820" width="621"]] 385 385 386 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image054.jpg]] 386 386 387 - User can find the TTN v3 server address from: 388 + User can find the TTN v3 server address from: 388 388 389 - [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 390 + [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 390 390 391 391 392 - And the default frequency band is US915 in **global_conf.json** file. 393 + And the default frequency band is US915 in **global_conf.json** file. 393 393 394 394 (% style="text-align:center" %) 395 395 [[image:1651745838008-820.png||height="650" width="621"]] 396 396 398 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image056.jpg]] 397 397 398 398 * 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.** 399 399 ... ... @@ -410,50 +410,53 @@ 410 410 (% style="text-align:center" %) 411 411 [[image:1651745984006-868.png]] 412 412 415 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image060.jpg]] 413 413 414 414 * If user wants to change to other LoRaWAN server, modify the **global_conf.json** file. 415 415 416 -(% class="wikigeneratedid" %) 417 -((( 418 - 419 -))) 419 +5.2.3 Check result 420 420 421 - =====5.2.3Checkresult=====421 + Run below command to restart the dragino_fwd: 422 422 423 - Runbelowcommandtorestart thedragino_fwd:423 + sudo systemctl stop draginofwd 424 424 425 - opdraginofwd425 + sudo systemctl start draginofwd 426 426 427 - sudosystemctlstartdraginofwd427 + debug check the ruing status of fwd: 428 428 429 - debugchecktheruingstatus offwd:429 + sudo systemctl status draginofwd 430 430 431 - sudo systemctl status draginofwd 432 - 433 433 (% style="text-align:center" %) 434 434 [[image:1651746045057-414.png]] 435 435 434 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image062.jpg]] 436 436 437 - The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 436 + The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 438 438 439 439 (% style="text-align:center" %) 440 440 [[image:1651746078253-168.png||height="372" width="621"]] 441 441 441 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image064.jpg]] 442 442 443 - We can check dragino_fwd running states in RPi by running: 444 444 445 - //**sudojournalctl-udraginofwd-f**//444 + We can check dragino_fwd running states in RPi by running: 446 446 446 + sudo journalctl -u draginofwd -f 447 + 447 447 (% style="text-align:center" %) 448 448 [[image:1651746111963-838.png]] 449 449 450 - If thereareLoRaWAN nodestransmits nearby, wecan see thetrafficn TTN v3 –> Gateway ~-~-> Live data451 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image066.gif]] 451 451 453 + 454 + If there are LoRaWAN nodes transmits nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data 455 + 452 452 (% style="text-align:center" %) 453 453 [[image:1651746139304-966.png||height="326" width="621"]] 454 454 459 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image068.jpg]] 455 455 456 - =====5.2.4 Commands to handle service=====461 +5.2.4 Commands to handle service 457 457 458 458 * **Stop** dragino_fwd service: sudo systemctl stop draginofwd 459 459 * **Disable** dragino_fwd auto run after boot: sudo systemctl disable draginofwd ... ... @@ -461,24 +461,24 @@ 461 461 * **Auto run** dragino_fwd after boot: sudo systemctl enable draginofwd 462 462 * **Show status** of dragino_fwd: sudo systemctl status draginofwd 463 463 464 - ===6. Order Info===469 +6. Order Info 465 465 466 - 471 + Part Number: **PG1302-XX** Or Part Number: **PG1302-PI-XX **(Include RPi converter board for RPI 3/4) 467 467 468 -**~ 473 +**~ XX:** 469 469 470 470 * 868 (For Bands: EU868,IN865) 471 471 * 915 (For Bands: US915,AU915,AS923,KR920) 472 472 * 470 (For Band: CN470) 473 473 474 - ===7. Packing Info===479 +7. Packing Info 475 475 476 -**~ 481 +**~ PG1302 Package Includes**: 477 477 478 478 * PG1302 x 1 479 479 * LoRa Antenna x 1 480 480 481 -**~ 486 +**~ PG1302-PI Package Includes**: 482 482 483 483 * PG1302 x 1 484 484 * LoRa Antenna x 1 ... ... @@ -485,7 +485,7 @@ 485 485 * RPi3/4 converter PCB 486 486 * Screws to hole converter PCB on RPI. 487 487 488 - ===8. Reference===493 +8. Reference 489 489 490 490 * Datasheet, User Manual & Software Download: 491 491 ... ... @@ -492,9 +492,12 @@ 492 492 [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>url:https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 493 493 494 494 495 - ===9. Support===500 +9. Support 496 496 497 497 * 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. 498 498 * 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 499 499 500 500 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 506 + 507 + 508 +