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 ... ... @@ -20,17 +20,83 @@ 20 20 ==== 1.1 What is PG1302 LoRaWAN Concentrator? ==== 21 21 22 22 ((( 23 -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. 33 +((( 34 +((( 35 +((( 36 + The PG1302 is a multi-channel high performance transmitter/receiver designed to simultaneously receive several 24 24 ))) 38 +))) 25 25 26 26 ((( 27 -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. 41 +((( 42 + LoRa packets using random spreading factors on random channels. Its goal is to enable robust connection 28 28 ))) 29 29 30 30 ((( 31 - PG1302isfullycompatiblewith RPi3/4, userscanusehepre-buildOS from Draginotoset upandeasyto usethemodulebyWebUI. Orinstalltherawlorawan driverin the exist OS.46 + between a central wireless data concentrator and a massive amount of wireless end-points spread over 32 32 ))) 33 33 49 +((( 50 + a very wide range of distances. 51 +))) 52 +))) 53 +))) 54 + 55 +((( 56 +((( 57 +((( 58 + 59 +))) 60 +))) 61 +))) 62 +))) 63 + 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 +))) 71 + 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 + 34 34 ==== 1.2 Features ==== 35 35 36 36 * Base on Semtech SX1302 solution ... ... @@ -54,12 +54,19 @@ 54 54 55 55 ==== 1.5 LEDs ==== 56 56 133 +((( 57 57 TX: Blink when transmit a packet 135 +))) 136 + 137 +((( 58 58 RX: Blink when receive a packet 139 +))) 140 + 141 +((( 59 59 Config: Always ON 143 +))) 60 60 61 61 62 - 63 63 ==== 1.6 Power Consumption ==== 64 64 65 65 TBD ... ... @@ -78,8 +78,15 @@ 78 78 79 79 ==== 2.1 System structure ==== 80 80 81 -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. 164 +((( 165 + This example is an example to show how to set up the PG1302 + RPi as a LoRaWAN gateway to use with 166 +))) 82 82 168 +((( 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" %) 83 83 [[image:1651743698677-436.png||height="457" width="686"]] 84 84 85 85 ... ... @@ -86,8 +86,9 @@ 86 86 87 87 ==== 2.2 Hardware Installation ==== 88 88 89 -**Important Notice: **Please power the RPI with 5V,3A cable. 179 +**~ Important Notice: **Please power the RPI with 5V,3A cable. 90 90 181 +(% style="text-align:center" %) 91 91 [[image:1651743803032-803.png]] 92 92 93 93 ... ... @@ -94,7 +94,7 @@ 94 94 95 95 === 3. Install the software? === 96 96 97 -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. 98 98 99 99 * Flash SD card with Dragino pre-build image which support Web UI. 100 100 * Install lora packet forwarder in existing RPi OS. ... ... @@ -103,19 +103,16 @@ 103 103 104 104 ==== 4.1 Download the dragino image for RPI ==== 105 105 106 -((( 107 -Download PG1302_for_Rpi4_64_with_webui from 108 -))) 197 + Download PG1302_for_Rpi4_64_with_webui from 109 109 110 -((( 111 -[[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 112 -))) 199 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 113 113 114 114 115 115 ==== 4.2 Flash the image to SD card ==== 116 116 117 -Flash the image to SD card: 204 + Flash the image to SD card: 118 118 206 +(% style="text-align:center" %) 119 119 [[image:1651744119133-233.png||height="373" width="621"]] 120 120 121 121 Note: Download the flash tool following this link ... ... @@ -125,12 +125,39 @@ 125 125 126 126 ==== 4.3 Access the Linux console ==== 127 127 128 -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 +))) 129 129 222 +((( 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" %) 130 130 [[image:1651744193675-591.png||height="450" width="466"]] 131 131 132 -The account details for Web Login are: 133 133 247 + The account details for Web Login are: 248 + 134 134 **~ User Name: root** 135 135 136 136 **~ Password: dragino** ... ... @@ -140,8 +140,10 @@ 140 140 141 141 **~ Pi/dragino** 142 142 143 -After log in, you will be in the Linux console and type command here. 144 144 259 + After log in, you will be in the Linux console and type command here. 260 + 261 +(% style="text-align:center" %) 145 145 [[image:1651744358515-107.png||height="366" width="581"]] 146 146 147 147 ... ... @@ -149,30 +149,19 @@ 149 149 150 150 ===== 4.4.1 Home page ===== 151 151 152 -((( 153 -Open a browser on the PC and type the RPI ip address 154 -))) 269 + Open a browser on the PC and type the RPI ip address 155 155 156 -((( 157 157 [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 158 -))) 159 159 160 -((( 161 -You will see the login interface of RPI as shown below. 162 -))) 273 + You will see the login interface of RPI as shown below. 163 163 164 -((( 165 -The account details for Web Login are: 166 -))) 275 + The account details for Web Login are: 167 167 168 -((( 169 169 **~ User Name: root** 170 -))) 171 171 172 -((( 173 173 **~ Password: dragino** 174 -))) 175 175 281 +(% style="text-align:center" %) 176 176 [[image:1651744457761-993.png||height="352" width="621"]] 177 177 178 178 ... ... @@ -179,24 +179,29 @@ 179 179 ===== 4.4.2 LoRa Page ===== 180 180 181 181 ((( 182 -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 183 183 ))) 184 184 291 +((( 292 + protocol, and user can customize the band* as well. 293 +))) 294 + 295 +(% style="text-align:center" %) 185 185 [[image:1651744554845-970.png||height="328" width="621"]] 186 186 187 -Different PG1302 hardware version can support different frequency range: 298 + Different PG1302 hardware version can support different frequency range: 188 188 189 -➢ 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. 190 190 191 -➢ 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 192 192 193 -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 194 194 195 -page LogRead ~-~-> LoRa Log 306 + page LogRead ~-~-> LoRa Log 196 196 197 -Note *: See this instruction for how to customize frequency band 308 + Note *: See this instruction for how to customize frequency band 198 198 199 -[[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]] 200 200 201 201 202 202 ===== 4.4.3 LoRaWAN Page ===== ... ... @@ -203,20 +203,23 @@ 203 203 204 204 ====== 4.4.3.1 Semtech UDP ====== 205 205 317 + 318 +(% style="text-align:center" %) 206 206 [[image:1651744767914-283.png||height="352" width="621"]] 207 207 208 -Note *: See this instruction for how to configure TTN. 321 + Note *: See this instruction for how to configure TTN. 209 209 210 -[[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);"]] 211 211 212 212 213 213 ====== 4.4.3.2 Basic Station ====== 214 214 328 +(% style="text-align:center" %) 215 215 [[image:1651744890629-683.png||height="380" width="621"]] 216 216 217 -Note *: See this instruction for how to configure TTN. 331 + Note *: See this instruction for how to configure TTN. 218 218 219 -[[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]] 220 220 221 221 222 222 ===== 4.4.4 LogRead ===== ... ... @@ -223,22 +223,26 @@ 223 223 224 224 ====== 4.4.4.1 LoRa Log ====== 225 225 340 +(% style="text-align:center" %) 226 226 [[image:1651744955955-452.png||height="571" width="621"]] 227 227 228 -Show the frequency for LoRa Radio and traffics. 343 + Show the frequency for LoRa Radio and traffics. 229 229 230 230 231 231 ====== 4.4.4.2 System Log ====== 232 232 233 -Show system log. 348 + Show system log. 234 234 350 +(% style="text-align:center" %) 235 235 [[image:1651745003470-264.png||height="477" width="621"]] 236 236 237 237 354 + 238 238 ====== 4.4.4.3 Record Log ====== 239 239 240 -**Record the system log.** 357 +**~ Record the system log.** 241 241 359 +(% style="text-align:center" %) 242 242 [[image:1651745069814-662.png||height="144" width="621"]] 243 243 244 244 ... ... @@ -246,7 +246,7 @@ 246 246 247 247 ==== 5.1 OS requirement ==== 248 248 249 -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. 250 250 251 251 pi@raspberrypi:~~$ cat /etc/os-release 252 252 ... ... @@ -271,61 +271,79 @@ 271 271 272 272 ==== 5.2 Get Gateway ID in Raspberry and input this in TTN v3. ==== 273 273 274 -In RPI, run below command to get a Gateway ID 392 + In RPI, run below command to get a Gateway ID 275 275 276 -(% class="box infomessage" %) 277 -((( 278 - ifconfig eth0 279 -))) 394 + (% class="mark" %)ifconfig eth0 280 280 396 +(% style="text-align:center" %) 281 281 [[image:1651745210205-512.png||height="130" width="621"]] 282 282 283 283 ((( 284 -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 285 285 ))) 286 286 403 +((( 404 + gateway ID: b827ebxxxxbcffff. Input this to TTN v3. Make sure to select legacy packet forwarder. 405 +))) 406 + 407 +(% style="text-align:center" %) 287 287 [[image:1651745267862-321.png||height="526" width="621"]] 288 288 410 + 411 + 412 +(% style="text-align:center" %) 289 289 [[image:1651745306744-481.png||height="478" width="621"]] 290 290 291 291 After set up, the status should show not connected as below: 292 292 417 +(% style="text-align:center" %) 293 293 [[image:1651745366987-458.png||height="363" width="621"]] 294 294 295 295 296 296 ===== 5.2.1 Download and install LoRaWAN packet forwarder ===== 297 297 298 -Enable SPI and I2C first: 423 + Enable SPI and I2C first: 299 299 300 -a)SPI needs to be enabled on the Raspberry Pi 425 + a)SPI needs to be enabled on the Raspberry Pi 301 301 302 -Run sudo raspi-config to open the config window 427 + Run sudo raspi-config to open the config window 303 303 429 +(% style="text-align:center" %) 304 304 [[image:1651745476754-240.png||height="235" width="631"]] 305 305 432 + 433 +(% style="text-align:center" %) 306 306 [[image:image-20220505181135-1.png]] 307 307 436 +(% style="text-align:center" %) 308 308 [[image:image-20220505181135-2.png]] 309 309 310 -In RPI , Fist: Enter root account: 311 311 440 + 441 + 442 + In RPI , Fist: Enter root account: 443 + 444 +(% style="text-align:center" %) 312 312 [[image:1651745583363-614.png]] 313 313 314 314 315 -and then run: 448 + and then run: 316 316 317 -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]] 318 318 319 -chmod +x ./auto_install.sh 452 + chmod +x ./auto_install.sh 320 320 321 -./auto_install.sh 454 + ./auto_install.sh 322 322 456 +(% style="text-align:center" %) 323 323 [[image:1651745611629-818.png]] 324 324 325 -This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 326 326 327 - Youcangetthese output:460 + This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 328 328 462 + You can get these output: 463 + 464 +(% style="text-align:center" %) 329 329 [[image:1651745657252-173.png||height="426" width="621"]] 330 330 331 331 ... ... @@ -332,36 +332,52 @@ 332 332 ===== 5.2.2 Config Gateway ID, Frequency Band and Server address ===== 333 333 334 334 ((( 335 -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 336 336 ))) 337 337 338 338 ((( 339 - 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** 340 340 ))) 341 341 478 +((( 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" %) 342 342 [[image:1651745709709-887.png||height="820" width="621"]] 343 343 344 -User can find the TTN v3 server address from: 345 345 346 - [[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: 347 347 492 + [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 348 348 349 -And the default frequency band is US915 in **global_conf.json** file. 350 350 495 + And the default frequency band is US915 in **global_conf.json** file. 496 + 497 +(% style="text-align:center" %) 351 351 [[image:1651745838008-820.png||height="650" width="621"]] 352 352 500 + 353 353 * 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.** 354 354 355 - 1).Chose your need the name of region frequency. 503 + 1).Chose your need the name of region frequency. 356 356 505 +(% style="text-align:center" %) 357 357 [[image:1651745867516-322.png]] 358 358 508 + 359 359 2). Use this command to copy it. 360 360 361 361 cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 362 362 513 +(% style="text-align:center" %) 363 363 [[image:1651745984006-868.png]] 364 364 516 + 365 365 * If user wants to change to other LoRaWAN server, modify the **global_conf.json** file. 366 366 367 367 (% class="wikigeneratedid" %) ... ... @@ -372,51 +372,45 @@ 372 372 ===== 5.2.3 Check result ===== 373 373 374 374 ((( 375 -Run below command to restart the dragino_fwd: 527 + Run below command to restart the dragino_fwd: 376 376 ))) 377 377 378 378 ((( 379 -(% class="box infomessage" %) 380 -((( 381 -sudo systemctl stop draginofwd 531 + sudo systemctl stop draginofwd 382 382 ))) 383 383 384 -(% class="box infomessage" %) 385 385 ((( 386 -sudo systemctl start draginofwd 535 + sudo systemctl start draginofwd 387 387 ))) 388 -))) 389 389 390 390 ((( 391 -debug check the ruing status of fwd: 539 + debug check the ruing status of fwd: 392 392 ))) 393 393 394 394 ((( 395 -(% class="box infomessage" %) 396 -((( 397 -sudo systemctl status draginofwd 543 + sudo systemctl status draginofwd 398 398 ))) 399 -))) 400 400 546 +(% style="text-align:center" %) 401 401 [[image:1651746045057-414.png]] 402 402 403 -The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 404 404 550 + The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 551 + 552 +(% style="text-align:center" %) 405 405 [[image:1651746078253-168.png||height="372" width="621"]] 406 406 407 407 408 -We can check dragino_fwd running states in RPi by running: 556 + We can check dragino_fwd running states in RPi by running: 409 409 410 -(% class="box infomessage" %) 411 -((( 412 - **// sudo journalctl -u draginofwd -f//** 413 -))) 558 + //**sudo journalctl -u draginofwd -f**// 414 414 560 +(% style="text-align:center" %) 415 415 [[image:1651746111963-838.png]] 416 416 417 - 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 418 418 419 - 565 +(% style="text-align:center" %) 420 420 [[image:1651746139304-966.png||height="326" width="621"]] 421 421 422 422 ... ... @@ -430,7 +430,7 @@ 430 430 431 431 === 6. Order Info === 432 432 433 -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) 434 434 435 435 **~ XX:** 436 436 ... ... @@ -441,19 +441,18 @@ 441 441 === 7. Packing Info === 442 442 443 443 ((( 444 -**PG1302 Package Includes**: 590 +**~ PG1302 Package Includes**: 445 445 ))) 446 446 447 -((( 448 - *PG1302 x 1593 +* ((( 594 +PG1302 x 1 449 449 ))) 450 - 451 -((( 452 -* LoRa Antenna x 1 596 +* ((( 597 +LoRa Antenna x 1 453 453 ))) 454 454 455 455 ((( 456 -**PG1302-PI Package Includes**: 601 +**~ PG1302-PI Package Includes**: 457 457 ))) 458 458 459 459 * ((( ... ... @@ -468,3 +468,17 @@ 468 468 * ((( 469 469 Screws to hole converter PCB on RPI. 470 470 ))) 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]]