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. ... ... @@ -103,14 +103,16 @@ 103 103 104 104 ==== 4.1 Download the dragino image for RPI ==== 105 105 106 -Download PG1302_for_Rpi4_64_with_webui from 107 -[[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 197 + Download PG1302_for_Rpi4_64_with_webui from 108 108 199 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 109 109 201 + 110 110 ==== 4.2 Flash the image to SD card ==== 111 111 112 -Flash the image to SD card: 204 + Flash the image to SD card: 113 113 206 +(% style="text-align:center" %) 114 114 [[image:1651744119133-233.png||height="373" width="621"]] 115 115 116 116 Note: Download the flash tool following this link ... ... @@ -120,12 +120,39 @@ 120 120 121 121 ==== 4.3 Access the Linux console ==== 122 122 123 -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 +))) 124 124 222 +((( 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" %) 125 125 [[image:1651744193675-591.png||height="450" width="466"]] 126 126 127 -The account details for Web Login are: 128 128 247 + The account details for Web Login are: 248 + 129 129 **~ User Name: root** 130 130 131 131 **~ Password: dragino** ... ... @@ -135,8 +135,10 @@ 135 135 136 136 **~ Pi/dragino** 137 137 138 -After log in, you will be in the Linux console and type command here. 139 139 259 + After log in, you will be in the Linux console and type command here. 260 + 261 +(% style="text-align:center" %) 140 140 [[image:1651744358515-107.png||height="366" width="581"]] 141 141 142 142 ... ... @@ -144,30 +144,19 @@ 144 144 145 145 ===== 4.4.1 Home page ===== 146 146 147 -((( 148 -Open a browser on the PC and type the RPI ip address 149 -))) 269 + Open a browser on the PC and type the RPI ip address 150 150 151 -((( 152 152 [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 153 -))) 154 154 155 -((( 156 -You will see the login interface of RPI as shown below. 157 -))) 273 + You will see the login interface of RPI as shown below. 158 158 159 -((( 160 -The account details for Web Login are: 161 -))) 275 + The account details for Web Login are: 162 162 163 -((( 164 164 **~ User Name: root** 165 -))) 166 166 167 -((( 168 168 **~ Password: dragino** 169 -))) 170 170 281 +(% style="text-align:center" %) 171 171 [[image:1651744457761-993.png||height="352" width="621"]] 172 172 173 173 ... ... @@ -174,24 +174,29 @@ 174 174 ===== 4.4.2 LoRa Page ===== 175 175 176 176 ((( 177 -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 178 178 ))) 179 179 291 +((( 292 + protocol, and user can customize the band* as well. 293 +))) 294 + 295 +(% style="text-align:center" %) 180 180 [[image:1651744554845-970.png||height="328" width="621"]] 181 181 182 -Different PG1302 hardware version can support different frequency range: 298 + Different PG1302 hardware version can support different frequency range: 183 183 184 -➢ 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. 185 185 186 -➢ 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 187 187 188 -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 189 189 190 -page LogRead ~-~-> LoRa Log 306 + page LogRead ~-~-> LoRa Log 191 191 192 -Note *: See this instruction for how to customize frequency band 308 + Note *: See this instruction for how to customize frequency band 193 193 194 -[[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]] 195 195 196 196 197 197 ===== 4.4.3 LoRaWAN Page ===== ... ... @@ -198,20 +198,23 @@ 198 198 199 199 ====== 4.4.3.1 Semtech UDP ====== 200 200 317 + 318 +(% style="text-align:center" %) 201 201 [[image:1651744767914-283.png||height="352" width="621"]] 202 202 203 -Note *: See this instruction for how to configure TTN. 321 + Note *: See this instruction for how to configure TTN. 204 204 205 -[[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);"]] 206 206 207 207 208 208 ====== 4.4.3.2 Basic Station ====== 209 209 328 +(% style="text-align:center" %) 210 210 [[image:1651744890629-683.png||height="380" width="621"]] 211 211 212 -Note *: See this instruction for how to configure TTN. 331 + Note *: See this instruction for how to configure TTN. 213 213 214 -[[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]] 215 215 216 216 217 217 ===== 4.4.4 LogRead ===== ... ... @@ -218,22 +218,26 @@ 218 218 219 219 ====== 4.4.4.1 LoRa Log ====== 220 220 340 +(% style="text-align:center" %) 221 221 [[image:1651744955955-452.png||height="571" width="621"]] 222 222 223 -Show the frequency for LoRa Radio and traffics. 343 + Show the frequency for LoRa Radio and traffics. 224 224 225 225 226 226 ====== 4.4.4.2 System Log ====== 227 227 228 -Show system log. 348 + Show system log. 229 229 350 +(% style="text-align:center" %) 230 230 [[image:1651745003470-264.png||height="477" width="621"]] 231 231 232 232 354 + 233 233 ====== 4.4.4.3 Record Log ====== 234 234 235 -**Record the system log.** 357 +**~ Record the system log.** 236 236 359 +(% style="text-align:center" %) 237 237 [[image:1651745069814-662.png||height="144" width="621"]] 238 238 239 239 ... ... @@ -241,7 +241,7 @@ 241 241 242 242 ==== 5.1 OS requirement ==== 243 243 244 -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. 245 245 246 246 pi@raspberrypi:~~$ cat /etc/os-release 247 247 ... ... @@ -266,61 +266,79 @@ 266 266 267 267 ==== 5.2 Get Gateway ID in Raspberry and input this in TTN v3. ==== 268 268 269 -In RPI, run below command to get a Gateway ID 392 + In RPI, run below command to get a Gateway ID 270 270 271 -(% class="box infomessage" %) 272 -((( 273 - ifconfig eth0 274 -))) 394 + (% class="mark" %)ifconfig eth0 275 275 396 +(% style="text-align:center" %) 276 276 [[image:1651745210205-512.png||height="130" width="621"]] 277 277 278 278 ((( 279 -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 280 280 ))) 281 281 403 +((( 404 + gateway ID: b827ebxxxxbcffff. Input this to TTN v3. Make sure to select legacy packet forwarder. 405 +))) 406 + 407 +(% style="text-align:center" %) 282 282 [[image:1651745267862-321.png||height="526" width="621"]] 283 283 410 + 411 + 412 +(% style="text-align:center" %) 284 284 [[image:1651745306744-481.png||height="478" width="621"]] 285 285 286 286 After set up, the status should show not connected as below: 287 287 417 +(% style="text-align:center" %) 288 288 [[image:1651745366987-458.png||height="363" width="621"]] 289 289 290 290 291 291 ===== 5.2.1 Download and install LoRaWAN packet forwarder ===== 292 292 293 -Enable SPI and I2C first: 423 + Enable SPI and I2C first: 294 294 295 -a)SPI needs to be enabled on the Raspberry Pi 425 + a)SPI needs to be enabled on the Raspberry Pi 296 296 297 -Run sudo raspi-config to open the config window 427 + Run sudo raspi-config to open the config window 298 298 429 +(% style="text-align:center" %) 299 299 [[image:1651745476754-240.png||height="235" width="631"]] 300 300 432 + 433 +(% style="text-align:center" %) 301 301 [[image:image-20220505181135-1.png]] 302 302 436 +(% style="text-align:center" %) 303 303 [[image:image-20220505181135-2.png]] 304 304 305 -In RPI , Fist: Enter root account: 306 306 440 + 441 + 442 + In RPI , Fist: Enter root account: 443 + 444 +(% style="text-align:center" %) 307 307 [[image:1651745583363-614.png]] 308 308 309 309 310 -and then run: 448 + and then run: 311 311 312 -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]] 313 313 314 -chmod +x ./auto_install.sh 452 + chmod +x ./auto_install.sh 315 315 316 -./auto_install.sh 454 + ./auto_install.sh 317 317 456 +(% style="text-align:center" %) 318 318 [[image:1651745611629-818.png]] 319 319 320 -This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 321 321 322 - Youcangetthese output:460 + This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 323 323 462 + You can get these output: 463 + 464 +(% style="text-align:center" %) 324 324 [[image:1651745657252-173.png||height="426" width="621"]] 325 325 326 326 ... ... @@ -327,36 +327,52 @@ 327 327 ===== 5.2.2 Config Gateway ID, Frequency Band and Server address ===== 328 328 329 329 ((( 330 -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 331 331 ))) 332 332 333 333 ((( 334 - 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** 335 335 ))) 336 336 478 +((( 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" %) 337 337 [[image:1651745709709-887.png||height="820" width="621"]] 338 338 339 -User can find the TTN v3 server address from: 340 340 341 - [[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: 342 342 492 + [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 343 343 344 -And the default frequency band is US915 in **global_conf.json** file. 345 345 495 + And the default frequency band is US915 in **global_conf.json** file. 496 + 497 +(% style="text-align:center" %) 346 346 [[image:1651745838008-820.png||height="650" width="621"]] 347 347 500 + 348 348 * 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.** 349 349 350 - 1).Chose your need the name of region frequency. 503 + 1).Chose your need the name of region frequency. 351 351 505 +(% style="text-align:center" %) 352 352 [[image:1651745867516-322.png]] 353 353 508 + 354 354 2). Use this command to copy it. 355 355 356 356 cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 357 357 513 +(% style="text-align:center" %) 358 358 [[image:1651745984006-868.png]] 359 359 516 + 360 360 * If user wants to change to other LoRaWAN server, modify the **global_conf.json** file. 361 361 362 362 (% class="wikigeneratedid" %) ... ... @@ -367,51 +367,45 @@ 367 367 ===== 5.2.3 Check result ===== 368 368 369 369 ((( 370 -Run below command to restart the dragino_fwd: 527 + Run below command to restart the dragino_fwd: 371 371 ))) 372 372 373 373 ((( 374 -(% class="box infomessage" %) 375 -((( 376 -sudo systemctl stop draginofwd 531 + sudo systemctl stop draginofwd 377 377 ))) 378 378 379 -(% class="box infomessage" %) 380 380 ((( 381 -sudo systemctl start draginofwd 535 + sudo systemctl start draginofwd 382 382 ))) 383 -))) 384 384 385 385 ((( 386 -debug check the ruing status of fwd: 539 + debug check the ruing status of fwd: 387 387 ))) 388 388 389 389 ((( 390 -(% class="box infomessage" %) 391 -((( 392 -sudo systemctl status draginofwd 543 + sudo systemctl status draginofwd 393 393 ))) 394 -))) 395 395 546 +(% style="text-align:center" %) 396 396 [[image:1651746045057-414.png]] 397 397 398 -The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 399 399 550 + The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 551 + 552 +(% style="text-align:center" %) 400 400 [[image:1651746078253-168.png||height="372" width="621"]] 401 401 402 402 403 -We can check dragino_fwd running states in RPi by running: 556 + We can check dragino_fwd running states in RPi by running: 404 404 405 -(% class="box infomessage" %) 406 -((( 407 - **// sudo journalctl -u draginofwd -f//** 408 -))) 558 + //**sudo journalctl -u draginofwd -f**// 409 409 560 +(% style="text-align:center" %) 410 410 [[image:1651746111963-838.png]] 411 411 412 - 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 413 413 414 - 565 +(% style="text-align:center" %) 415 415 [[image:1651746139304-966.png||height="326" width="621"]] 416 416 417 417 ... ... @@ -425,7 +425,7 @@ 425 425 426 426 === 6. Order Info === 427 427 428 -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) 429 429 430 430 **~ XX:** 431 431 ... ... @@ -436,19 +436,18 @@ 436 436 === 7. Packing Info === 437 437 438 438 ((( 439 -**PG1302 Package Includes**: 590 +**~ PG1302 Package Includes**: 440 440 ))) 441 441 442 -((( 443 - *PG1302 x 1593 +* ((( 594 +PG1302 x 1 444 444 ))) 445 - 446 -((( 447 -* LoRa Antenna x 1 596 +* ((( 597 +LoRa Antenna x 1 448 448 ))) 449 449 450 450 ((( 451 -**PG1302-PI Package Includes**: 601 +**~ PG1302-PI Package Includes**: 452 452 ))) 453 453 454 454 * ((( ... ... @@ -463,3 +463,17 @@ 463 463 * ((( 464 464 Screws to hole converter PCB on RPI. 465 465 ))) 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]]