Changes for page PG1302 -- LoRaWAN Concentrator User Manual
Last modified by Kilight Cao on 2024/06/22 10:43
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... ... @@ -1,15 +1,25 @@ 1 + 2 + 1 1 (% style="text-align:center" %) 2 2 [[image:Main.User Manual for All Gateway models.WebHome@pg1302.jpg]] 3 3 4 4 5 5 8 + 9 + 10 + 11 + 6 6 **PG1302 LoRaWAN Concentrator User Manual** 7 7 8 8 9 9 16 + 17 + 10 10 {{toc/}} 11 11 12 12 21 +---- 22 + 13 13 (% class="wikigeneratedid" id="H" %) 14 14 ((( 15 15 ... ... @@ -19,15 +19,84 @@ 19 19 20 20 ==== 1.1 What is PG1302 LoRaWAN Concentrator? ==== 21 21 22 -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. 32 +((( 33 +((( 34 +((( 35 +((( 36 + The PG1302 is a multi-channel high performance transmitter/receiver designed to simultaneously receive several 37 +))) 38 +))) 23 23 40 +((( 41 +((( 42 + LoRa packets using random spreading factors on random channels. Its goal is to enable robust connection 43 +))) 24 24 25 -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. 45 +((( 46 + between a central wireless data concentrator and a massive amount of wireless end-points spread over 47 +))) 26 26 49 +((( 50 + a very wide range of distances. 51 +))) 52 +))) 53 +))) 27 27 28 -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. 55 +((( 56 +((( 57 +((( 58 + 59 +))) 60 +))) 61 +))) 62 +))) 29 29 64 +((( 65 +((( 66 +((( 67 +((( 68 + The PG1302 is design to use with Raspberry Pi to build smart metering fixed networks and Internet of Things 69 +))) 70 +))) 30 30 72 +((( 73 +((( 74 + applications with up to 5000 nodes per km2 in moderately interfered environment. 75 +))) 76 +))) 77 +))) 78 + 79 +((( 80 +((( 81 +((( 82 + 83 +))) 84 +))) 85 +))) 86 +))) 87 + 88 +((( 89 +((( 90 +((( 91 +((( 92 + PG1302 is fully compatible with RPi3/4, users can use the pre-build OS from Dragino to set up and easy to use the 93 +))) 94 +))) 95 + 96 +((( 97 +((( 98 + module by Web UI. Or install the raw lorawan driver in the exist OS. 99 +))) 100 +))) 101 +))) 102 +))) 103 + 104 +((( 105 +((( 106 + 107 +))) 108 +))) 109 + 31 31 ==== 1.2 Features ==== 32 32 33 33 * Base on Semtech SX1302 solution ... ... @@ -37,7 +37,6 @@ 37 37 * Mini-PCIe Interface 38 38 * Converter board to support Raspberry Pi 39 39 40 - 41 41 ==== 1.3 General Interfaces ==== 42 42 43 43 * SPI interface for LoRa ... ... @@ -44,7 +44,6 @@ 44 44 * Power Input: 5v, 1A 45 45 * 1 x I-PEX for LoRa 46 46 47 - 48 48 ==== 1.4 Pin Mapping ==== 49 49 50 50 [[image:1651743282627-547.png||height="402" width="425"]] ... ... @@ -85,9 +85,14 @@ 85 85 ==== 2.1 System structure ==== 86 86 87 87 ((( 88 -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. Set up method for other server are similar.165 + This example is an example to show how to set up the PG1302 + RPi as a LoRaWAN gateway to use with 89 89 ))) 90 90 168 +((( 169 + [[TheThingsNetwork>>url:http://www.thethingsnetwork.org/]](TTN) LoRaWAN server. Set up method for other server are similar. 170 +))) 171 + 172 +(% style="text-align:center" %) 91 91 [[image:1651743698677-436.png||height="457" width="686"]] 92 92 93 93 ... ... @@ -94,8 +94,9 @@ 94 94 95 95 ==== 2.2 Hardware Installation ==== 96 96 97 -**Important Notice: **Please power the RPI with 5V,3A cable. 179 +**~ Important Notice: **Please power the RPI with 5V,3A cable. 98 98 181 +(% style="text-align:center" %) 99 99 [[image:1651743803032-803.png]] 100 100 101 101 ... ... @@ -102,7 +102,7 @@ 102 102 103 103 === 3. Install the software? === 104 104 105 -There are two ways to install software in RPi4 to use PG1302. 188 + There are two ways to install software in RPi4 to use PG1302. 106 106 107 107 * Flash SD card with Dragino pre-build image which support Web UI. 108 108 * Install lora packet forwarder in existing RPi OS. ... ... @@ -111,19 +111,16 @@ 111 111 112 112 ==== 4.1 Download the dragino image for RPI ==== 113 113 114 -((( 115 -Download PG1302_for_Rpi4_64_with_webui from 116 -))) 197 + Download PG1302_for_Rpi4_64_with_webui from 117 117 118 -((( 119 -[[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 120 -))) 199 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 121 121 122 122 123 123 ==== 4.2 Flash the image to SD card ==== 124 124 125 -Flash the image to SD card: 204 + Flash the image to SD card: 126 126 206 +(% style="text-align:center" %) 127 127 [[image:1651744119133-233.png||height="373" width="621"]] 128 128 129 129 Note: Download the flash tool following this link ... ... @@ -133,12 +133,39 @@ 133 133 134 134 ==== 4.3 Access the Linux console ==== 135 135 136 -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. 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 216 +((( 217 +((( 218 +((( 219 + Connect the RPI Ethernet port to your router, RPi will obtain an IP address from your router. In the router’s 220 +))) 137 137 222 +((( 223 + management portal, you should be able to find what IP address the router has assigned to the RPI. You can 224 +))) 225 + 226 +((( 227 + use this IP to connect the WEB UI or SSH access of RPI. 228 +))) 229 +))) 230 + 231 +((( 232 +((( 233 + 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. 234 +))) 235 + 236 +((( 237 + Below are screenshots 238 +))) 239 +))) 240 +))) 241 + 242 + 243 +(% style="text-align:center" %) 138 138 [[image:1651744193675-591.png||height="450" width="466"]] 139 139 140 -The account details for Web Login are: 141 141 247 + The account details for Web Login are: 248 + 142 142 **~ User Name: root** 143 143 144 144 **~ Password: dragino** ... ... @@ -148,8 +148,10 @@ 148 148 149 149 **~ Pi/dragino** 150 150 151 -After log in, you will be in the Linux console and type command here. 152 152 259 + After log in, you will be in the Linux console and type command here. 260 + 261 +(% style="text-align:center" %) 153 153 [[image:1651744358515-107.png||height="366" width="581"]] 154 154 155 155 ... ... @@ -157,30 +157,19 @@ 157 157 158 158 ===== 4.4.1 Home page ===== 159 159 160 -((( 161 -Open a browser on the PC and type the RPI ip address 162 -))) 269 + Open a browser on the PC and type the RPI ip address 163 163 164 -((( 165 165 [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 166 -))) 167 167 168 -((( 169 -You will see the login interface of RPI as shown below. 170 -))) 273 + You will see the login interface of RPI as shown below. 171 171 172 -((( 173 -The account details for Web Login are: 174 -))) 275 + The account details for Web Login are: 175 175 176 -((( 177 177 **~ User Name: root** 178 -))) 179 179 180 -((( 181 181 **~ Password: dragino** 182 -))) 183 183 281 +(% style="text-align:center" %) 184 184 [[image:1651744457761-993.png||height="352" width="621"]] 185 185 186 186 ... ... @@ -187,24 +187,29 @@ 187 187 ===== 4.4.2 LoRa Page ===== 188 188 189 189 ((( 190 -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.288 + This page shows the LoRa Radio Settings. There are a set of default frequency band according to LoRaWAN 191 191 ))) 192 192 291 +((( 292 + protocol, and user can customize the band* as well. 293 +))) 294 + 295 +(% style="text-align:center" %) 193 193 [[image:1651744554845-970.png||height="328" width="621"]] 194 194 195 -Different PG1302 hardware version can support different frequency range: 298 + Different PG1302 hardware version can support different frequency range: 196 196 197 -➢ 868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 300 + ➢ 868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 198 198 199 -➢ 915: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920 302 + ➢ 915: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920 200 200 201 -After user choose the frequency plan, he can see the actually frequency in used by checking the 304 + After user choose the frequency plan, he can see the actually frequency in used by checking the 202 202 203 -page LogRead ~-~-> LoRa Log 306 + page LogRead ~-~-> LoRa Log 204 204 205 -Note *: See this instruction for how to customize frequency band 308 + Note *: See this instruction for how to customize frequency band 206 206 207 -[[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]] 310 + [[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]] 208 208 209 209 210 210 ===== 4.4.3 LoRaWAN Page ===== ... ... @@ -211,20 +211,23 @@ 211 211 212 212 ====== 4.4.3.1 Semtech UDP ====== 213 213 317 + 318 +(% style="text-align:center" %) 214 214 [[image:1651744767914-283.png||height="352" width="621"]] 215 215 216 -Note *: See this instruction for how to configure TTN. 321 + Note *: See this instruction for how to configure TTN. 217 217 218 -[[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);"]] 323 + [[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);"]] 219 219 220 220 221 221 ====== 4.4.3.2 Basic Station ====== 222 222 328 +(% style="text-align:center" %) 223 223 [[image:1651744890629-683.png||height="380" width="621"]] 224 224 225 -Note *: See this instruction for how to configure TTN. 331 + Note *: See this instruction for how to configure TTN. 226 226 227 -[[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]] 333 + [[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]] 228 228 229 229 230 230 ===== 4.4.4 LogRead ===== ... ... @@ -231,22 +231,26 @@ 231 231 232 232 ====== 4.4.4.1 LoRa Log ====== 233 233 340 +(% style="text-align:center" %) 234 234 [[image:1651744955955-452.png||height="571" width="621"]] 235 235 236 -Show the frequency for LoRa Radio and traffics. 343 + Show the frequency for LoRa Radio and traffics. 237 237 238 238 239 239 ====== 4.4.4.2 System Log ====== 240 240 241 -Show system log. 348 + Show system log. 242 242 350 +(% style="text-align:center" %) 243 243 [[image:1651745003470-264.png||height="477" width="621"]] 244 244 245 245 354 + 246 246 ====== 4.4.4.3 Record Log ====== 247 247 248 -**Record the system log.** 357 +**~ Record the system log.** 249 249 359 +(% style="text-align:center" %) 250 250 [[image:1651745069814-662.png||height="144" width="621"]] 251 251 252 252 ... ... @@ -254,7 +254,7 @@ 254 254 255 255 ==== 5.1 OS requirement ==== 256 256 257 -RPI in this example is RPI model 4B with fresh Raspbian OS install. 367 + RPI in this example is RPI model 4B with fresh Raspbian OS install. 258 258 259 259 pi@raspberrypi:~~$ cat /etc/os-release 260 260 ... ... @@ -279,61 +279,79 @@ 279 279 280 280 ==== 5.2 Get Gateway ID in Raspberry and input this in TTN v3. ==== 281 281 282 -In RPI, run below command to get a Gateway ID 392 + In RPI, run below command to get a Gateway ID 283 283 284 -(% class="box infomessage" %) 285 -((( 286 - ifconfig eth0 287 -))) 394 + (% class="mark" %)ifconfig eth0 288 288 396 +(% style="text-align:center" %) 289 289 [[image:1651745210205-512.png||height="130" width="621"]] 290 290 291 291 ((( 292 -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.400 + We got the ether (eth0 MAC) address is b8:27:eb:49:62:bc). Add ffff at the end and remove “:” to get the 293 293 ))) 294 294 403 +((( 404 + gateway ID: b827ebxxxxbcffff. Input this to TTN v3. Make sure to select legacy packet forwarder. 405 +))) 406 + 407 +(% style="text-align:center" %) 295 295 [[image:1651745267862-321.png||height="526" width="621"]] 296 296 410 + 411 + 412 +(% style="text-align:center" %) 297 297 [[image:1651745306744-481.png||height="478" width="621"]] 298 298 299 299 After set up, the status should show not connected as below: 300 300 417 +(% style="text-align:center" %) 301 301 [[image:1651745366987-458.png||height="363" width="621"]] 302 302 303 303 304 304 ===== 5.2.1 Download and install LoRaWAN packet forwarder ===== 305 305 306 -Enable SPI and I2C first: 423 + Enable SPI and I2C first: 307 307 308 -a)SPI needs to be enabled on the Raspberry Pi 425 + a)SPI needs to be enabled on the Raspberry Pi 309 309 310 -Run sudo raspi-config to open the config window 427 + Run sudo raspi-config to open the config window 311 311 429 +(% style="text-align:center" %) 312 312 [[image:1651745476754-240.png||height="235" width="631"]] 313 313 432 + 433 +(% style="text-align:center" %) 314 314 [[image:image-20220505181135-1.png]] 315 315 436 +(% style="text-align:center" %) 316 316 [[image:image-20220505181135-2.png]] 317 317 318 -In RPI , Fist: Enter root account: 319 319 440 + 441 + 442 + In RPI , Fist: Enter root account: 443 + 444 +(% style="text-align:center" %) 320 320 [[image:1651745583363-614.png]] 321 321 322 322 323 -and then run: 448 + and then run: 324 324 325 -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]] 450 + 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]] 326 326 327 -chmod +x ./auto_install.sh 452 + chmod +x ./auto_install.sh 328 328 329 -./auto_install.sh 454 + ./auto_install.sh 330 330 456 +(% style="text-align:center" %) 331 331 [[image:1651745611629-818.png]] 332 332 333 -This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 334 334 335 - Youcangetthese output:460 + This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 336 336 462 + You can get these output: 463 + 464 +(% style="text-align:center" %) 337 337 [[image:1651745657252-173.png||height="426" width="621"]] 338 338 339 339 ... ... @@ -340,36 +340,52 @@ 340 340 ===== 5.2.2 Config Gateway ID, Frequency Band and Server address ===== 341 341 342 342 ((( 343 -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.**471 + After installation, user can find the configuration file in** /etc/lora/ **Replace the gateway ID we got above to the 344 344 ))) 345 345 346 346 ((( 347 - ThedefaultLoRaWANserver points to localhost, user need to put the correct serveraddress to the server_addressfield in file **local_conf.json**, like below.475 +**~ gateway_ID** in file **local_conf.json** 348 348 ))) 349 349 478 +((( 479 + The default LoRaWAN server points to localhost, user need to put the correct server address to the 480 +))) 481 + 482 +((( 483 + server_address field in file **local_conf.json**, like below. 484 +))) 485 + 486 +(% style="text-align:center" %) 350 350 [[image:1651745709709-887.png||height="820" width="621"]] 351 351 352 -User can find the TTN v3 server address from: 353 353 354 - [[ServerAddresses~|The ThingsStack forLoRaWAN(thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]]490 + User can find the TTN v3 server address from: 355 355 492 + [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 356 356 357 -And the default frequency band is US915 in **global_conf.json** file. 358 358 495 + And the default frequency band is US915 in **global_conf.json** file. 496 + 497 +(% style="text-align:center" %) 359 359 [[image:1651745838008-820.png||height="650" width="621"]] 360 360 500 + 361 361 * 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.** 362 362 363 - 1).Chose your need the name of region frequency. 503 + 1).Chose your need the name of region frequency. 364 364 505 +(% style="text-align:center" %) 365 365 [[image:1651745867516-322.png]] 366 366 508 + 367 367 2). Use this command to copy it. 368 368 369 369 cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 370 370 513 +(% style="text-align:center" %) 371 371 [[image:1651745984006-868.png]] 372 372 516 + 373 373 * If user wants to change to other LoRaWAN server, modify the **global_conf.json** file. 374 374 375 375 (% class="wikigeneratedid" %) ... ... @@ -380,51 +380,45 @@ 380 380 ===== 5.2.3 Check result ===== 381 381 382 382 ((( 383 -Run below command to restart the dragino_fwd: 527 + Run below command to restart the dragino_fwd: 384 384 ))) 385 385 386 386 ((( 387 -(% class="box infomessage" %) 388 -((( 389 -sudo systemctl stop draginofwd 531 + sudo systemctl stop draginofwd 390 390 ))) 391 391 392 -(% class="box infomessage" %) 393 393 ((( 394 -sudo systemctl start draginofwd 535 + sudo systemctl start draginofwd 395 395 ))) 396 -))) 397 397 398 398 ((( 399 -debug check the ruing status of fwd: 539 + debug check the ruing status of fwd: 400 400 ))) 401 401 402 402 ((( 403 -(% class="box infomessage" %) 404 -((( 405 -sudo systemctl status draginofwd 543 + sudo systemctl status draginofwd 406 406 ))) 407 -))) 408 408 546 +(% style="text-align:center" %) 409 409 [[image:1651746045057-414.png]] 410 410 411 -The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 412 412 550 + The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 551 + 552 +(% style="text-align:center" %) 413 413 [[image:1651746078253-168.png||height="372" width="621"]] 414 414 415 415 416 -We can check dragino_fwd running states in RPi by running: 556 + We can check dragino_fwd running states in RPi by running: 417 417 418 -(% class="box infomessage" %) 419 -((( 420 - **// sudo journalctl -u draginofwd -f//** 421 -))) 558 + //**sudo journalctl -u draginofwd -f**// 422 422 560 +(% style="text-align:center" %) 423 423 [[image:1651746111963-838.png]] 424 424 425 - If there are LoRaWAN nodes transmit tingnearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data563 + If there are LoRaWAN nodes transmits nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data 426 426 427 - 565 +(% style="text-align:center" %) 428 428 [[image:1651746139304-966.png||height="326" width="621"]] 429 429 430 430 ... ... @@ -438,7 +438,7 @@ 438 438 439 439 === 6. Order Info === 440 440 441 -Part Number: **PG1302-XX** Or Part Number: **PG1302-PI-XX **(Include RPi converter board for RPI 3/4) 579 + Part Number: **PG1302-XX** Or Part Number: **PG1302-PI-XX **(Include RPi converter board for RPI 3/4) 442 442 443 443 **~ XX:** 444 444 ... ... @@ -449,19 +449,18 @@ 449 449 === 7. Packing Info === 450 450 451 451 ((( 452 -**PG1302 Package Includes**: 590 +**~ PG1302 Package Includes**: 453 453 ))) 454 454 455 -((( 456 - *PG1302 x 1593 +* ((( 594 +PG1302 x 1 457 457 ))) 458 - 459 -((( 460 -* LoRa Antenna x 1 596 +* ((( 597 +LoRa Antenna x 1 461 461 ))) 462 462 463 463 ((( 464 -**PG1302-PI Package Includes**: 601 +**~ PG1302-PI Package Includes**: 465 465 ))) 466 466 467 467 * ((( ... ... @@ -476,3 +476,17 @@ 476 476 * ((( 477 477 Screws to hole converter PCB on RPI. 478 478 ))) 616 + 617 +=== 8. Reference === 618 + 619 +* Datasheet, User Manual & Software Download: 620 + 621 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>url:https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 622 + 623 + 624 +=== 9. Support === 625 + 626 +* 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. 627 +* 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 628 + 629 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]