Changes for page PG1302 -- LoRaWAN Concentrator User Manual
Last modified by Kilight Cao on 2024/06/22 10:43
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... ... @@ -1,11 +1,13 @@ 1 1 (% style="text-align:center" %) 2 -[[image:i mage-20220616085956-1.jpeg||height="609" width="609"]]2 +[[image:Main.User Manual for All Gateway models.WebHome@pg1302.jpg||height="391" width="549"]] 3 3 4 4 5 5 6 +**PG1302 LoRaWAN Concentrator User Manual** 6 6 7 -**Table of Contents:** 8 8 9 +**Contents:** 10 + 9 9 {{toc/}} 10 10 11 11 ... ... @@ -14,21 +14,24 @@ 14 14 15 15 ))) 16 16 17 -= **1. Introduction**=19 += 1. Introduction = 18 18 19 -== **1.1 What is PG1302 LoRaWAN Concentrator?**==21 +== 1.1 What is PG1302 LoRaWAN Concentrator? == 20 20 23 +((( 24 +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. 25 +))) 21 21 22 -The PG1302 is a (% style="color:green" %)**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. 27 +((( 28 +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. 29 +))) 23 23 24 -The PG1302 is designed to use with Raspberry Pi to build smart metering fixed networks and Internet of Things applications with up to 5000 nodes per km2 in a moderately interfered environment. 31 +((( 32 +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. 33 +))) 25 25 26 - PG1302is fully compatiblewith (% style="color:green" %)**RPi3/4 or Tinker Board**(%%), users can usethe pre-build OS from Dragino to set up and easyto use the module by Web UI. Or install the raw LoRaWAN driver in the existing OS.35 +== 1.2 Features == 27 27 28 - 29 - 30 -== **1.2 Features** == 31 - 32 32 * Base on Semtech SX1302 solution 33 33 * Support Raspberry Pi 3B/3B+/4 34 34 * Up to -140dBm sensitivity ... ... @@ -36,39 +36,28 @@ 36 36 * Mini-PCIe Interface 37 37 * Converter board to support Raspberry Pi 38 38 39 -== **1.3 General Interfacesfor PG1302**==44 +== 1.3 General Interfaces == 40 40 41 41 * SPI interface for LoRa 42 42 * Power Input: 5v, 1A 43 43 * 1 x I-PEX for LoRa 44 44 45 -== **1.4 Pin Mapping**==50 +== 1.4 Pin Mapping == 46 46 47 - 48 48 [[image:1651743282627-547.png||height="402" width="425"]] 49 49 54 +== 1.5 LEDs == 50 50 51 - 52 -== **1.5 LEDs** == 53 - 54 - 55 55 TX: Blink when transmit a packet 56 56 RX: Blink when receive a packet 57 57 Config: Always ON 58 58 60 +== 1.6 Power Consumption == 59 59 62 + TBD 60 60 61 -== **1.6Power Consumption**==64 +== 1.7 Applications == 62 62 63 - 64 -<300mA @ 3.3v. 65 - 66 -Detail Test Report see [[this link>>https://www.dropbox.com/sh/89virm4y0b02c7i/AAA-cgQEsSc8gNGFYAB0qZ_Za?dl=0]] 67 - 68 - 69 - 70 -== **1.7 Applications** == 71 - 72 72 * Smart Buildings & Home Automation 73 73 * Logistics and Supply Chain Management 74 74 * Smart Metering ... ... @@ -76,59 +76,48 @@ 76 76 * Smart Cities 77 77 * Smart Factory 78 78 79 -= **2. Example: Set up as LoRaWAN gateway.**=73 += 2. Example: Set up as LoRaWAN gateway. = 80 80 81 -== **2.1 System structure**==75 +== 2.1 System structure == 82 82 83 - 84 84 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. 85 85 86 86 [[image:1651743698677-436.png||height="457" width="686"]] 87 87 81 +== 2.2 Hardware Installation == 88 88 89 - 90 -== **2.2 Hardware Installation** == 91 - 92 - 93 93 (% style="color:red" %)**Important Notice: Please power the RPI with 5V,3A cable.** 94 94 95 -[[image: image-20220621104746-1.png||height="381" width="451"]]85 +[[image:1651743803032-803.png]] 96 96 87 += 3. Install the software? = 97 97 89 +There are two ways to install software in RPi4 to use PG1302. 98 98 99 -= **3. Install the software?** = 91 +* Flash SD card with Dragino pre-build image which support Web UI. 92 +* Install lora packet forwarder in existing RPi OS. 100 100 101 - Therearetwo waystoinstall thesoftwarenRPi4 to usePG1302.94 += 4. Flash with pre-build image = 102 102 103 -* Flash SD card with Dragino pre-build image which supports Web UI. 104 -* Install Lora packet forwarder in existing RPi OS. 96 +== 4.1 Download the dragino image for RPI == 105 105 106 -= **4. Flash with pre-build image** = 107 - 108 -== **4.1 Download the dragino image for RPI** == 109 - 110 110 Download PG1302_for_Rpi4_64_with_webui from 111 111 [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 112 112 101 +== 4.2 Flash the image to SD card == 113 113 103 +Flash the image to SD card: 114 114 115 -== **4.2 Flash the image to an SD card** == 116 - 117 - 118 -Flash the image to the SD card: 119 - 120 120 [[image:1651744119133-233.png||height="373" width="621"]] 121 121 107 + Note: Download the flash tool following this link 122 122 123 - (%style="color:red"%)**Note:Download the flash tool following this link:**[[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]]109 + [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 124 124 111 +== 4.3 Access the Linux console == 125 125 113 +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 126 126 127 -== **4.3 Access the Linux console** == 128 - 129 - 130 -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 131 - 132 132 [[image:1651744193675-591.png||height="450" width="466"]] 133 133 134 134 The account details for Web Login are: ... ... @@ -151,22 +151,17 @@ 151 151 152 152 ((( 153 153 **~ (% style="color:#0000ff" %)Pi/dragino(%%)** 154 - 155 - 156 156 ))) 157 157 158 -After log gingin, you will be in the Linux console and typethecommand here.139 +After log in, you will be in the Linux console and type command here. 159 159 160 160 [[image:1651744358515-107.png||height="366" width="581"]] 161 161 143 +== 4.4 Access the WebUI of RPi4. == 162 162 145 +=== 4.4.1 Home page === 163 163 164 -== **4.4 Access the WebUI of RPi4.** == 165 - 166 -=== **4.4.1 Home page** === 167 - 168 - 169 -Open a browser on the PC and type the RPI ip address [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by the uplink router) 147 +Open a browser on the PC and type the RPI ip address[[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 170 170 You will see the login interface of RPI as shown below. 171 171 The account details for Web Login are: 172 172 ... ... @@ -173,17 +173,12 @@ 173 173 ((( 174 174 **~ (% style="color:#0000ff" %)User Name: root(%%)** 175 175 (% style="color:#0000ff" %)** Password: dragino** 176 - 177 - 178 178 ))) 179 179 180 180 [[image:1651744457761-993.png||height="352" width="621"]] 181 181 158 +=== 4.4.2 LoRa Page === 182 182 183 - 184 -=== **4.4.2 LoRa Page** === 185 - 186 - 187 187 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. 188 188 189 189 [[image:1651744554845-970.png||height="328" width="621"]] ... ... @@ -190,71 +190,60 @@ 190 190 191 191 Different PG1302 hardware version can support different frequency range: 192 192 193 -➢ **(% style="color:red" %)868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865.(%%)**166 +➢ 868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 194 194 195 -➢ (% style="color:red" %)**915: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920**168 +➢ 915: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920 196 196 197 -After user choose the frequency plan, he can see the actually frequency in used by checking the (% style="color:blue" %)**page LogRead ~-~-> LoRa Log**170 +After user choose the frequency plan, he can see the actually frequency in used by checking the 198 198 199 - (% style="color:red"%)**Note*: [[See this instruction for how to customize frequency band>>doc:Main.Howto customizedLoRaWANfrequency band.WebHome]]**172 +page LogRead ~-~-> LoRa Log 200 200 174 +Note *: See this instruction for how to customize frequency band 201 201 176 +[[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]] 202 202 203 -=== **4.4.3 LoRaWAN Page**===178 +=== 4.4.3 LoRaWAN Page === 204 204 205 -==== **4.4.3.1 Semtech UDP**====180 +==== 4.4.3.1 Semtech UDP ==== 206 206 207 - 208 208 [[image:1651744767914-283.png||height="352" width="621"]] 209 209 210 - (% style="color:red" %)**Note *:[[See this instruction for how to configure TTN>>doc:Main.Notes for TTN.WebHome]].**184 +Note *: See this instruction for how to configure TTN. 211 211 186 +[[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);"]] 212 212 188 +==== 4.4.3.2 Basic Station ==== 213 213 214 -==== **4.4.3.2 Basic Station** ==== 215 - 216 - 217 217 [[image:1651744890629-683.png||height="380" width="621"]] 218 218 192 +Note *: See this instruction for how to configure TTN. 219 219 220 - (% style="color:red" %)**Note *:[[See thisnstructionfor how toconfigureloT-Core>>doc:Main.AWSfor LoRaWAN.WebHome]].**194 +[[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]] 221 221 196 +=== 4.4.4 LogRead === 222 222 198 +==== 4.4.4.1 LoRa Log ==== 223 223 224 -=== **4.4.4 LogRead** === 225 - 226 -==== **4.4.4.1 LoRa Log** ==== 227 - 228 - 229 229 [[image:1651744955955-452.png||height="571" width="621"]] 230 230 231 231 Show the frequency for LoRa Radio and traffics. 232 232 204 +==== 4.4.4.2 System Log ==== 233 233 234 - 235 -==== **4.4.4.2 System Log** ==== 236 - 237 - 238 238 Show system log. 239 239 240 240 [[image:1651745003470-264.png||height="477" width="621"]] 241 241 210 +==== 4.4.4.3 Record Log ==== 242 242 243 - 244 -==== **4.4.4.3 Record Log** ==== 245 - 246 - 247 247 **Record the system log.** 248 248 249 249 [[image:1651745069814-662.png||height="144" width="621"]] 250 250 216 += 5. Install stand alone LoRa Packet Forwarder. = 251 251 218 +== 5.1 OS requirement == 252 252 253 -= **5. Install stand-alone LoRa Packet Forwarder.** = 254 - 255 -== **5.1 OS requirement** == 256 - 257 - 258 258 RPI in this example is RPI model 4B with fresh Raspbian OS install. 259 259 260 260 (% class="box" %) ... ... @@ -269,52 +269,38 @@ 269 269 HOME_URL="http:~/~/www.raspbian.org/" 270 270 SUPPORT_URL="http:~/~/www.raspbian.org/RaspbianForums" 271 271 BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs" 272 - 273 - 274 274 ))) 275 275 236 +== 5.2 Get Gateway ID in Raspberry and input this in TTN v3. == 276 276 238 +In RPI, run below command to get a Gateway ID 277 277 278 -== **5.2 Get Gateway ID in Raspberry and input this in TTN v3** == 279 - 280 - 281 -In RPI, run the below command to get a Gateway ID 282 - 283 283 (% class="box infomessage" %) 284 284 ((( 285 - **~ifconfig eth0**242 + ifconfig eth0 286 286 ))) 287 287 288 288 [[image:1651745210205-512.png||height="130" width="621"]] 289 289 290 - 291 291 ((( 292 -((( 293 293 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. 294 - 295 - 296 296 ))) 297 -))) 298 298 299 299 [[image:1651745267862-321.png||height="526" width="621"]] 300 300 301 301 [[image:1651745306744-481.png||height="478" width="621"]] 302 302 303 - 304 304 After set up, the status should show not connected as below: 305 305 306 306 [[image:1651745366987-458.png||height="363" width="621"]] 307 307 259 +=== 5.2.1 Download and install LoRaWAN packet forwarder === 308 308 309 - 310 -=== **5.2.1 Download and install LoRaWAN packet forwarder** === 311 - 312 - 313 313 Enable SPI and I2C first: 314 314 315 -a) 263 +a)SPI needs to be enabled on the Raspberry Pi 316 316 317 -Run yellow" %)265 +Run (% style="background-color:#dcdcdc" %)**sudo raspi-config**(%%) to open the config window 318 318 319 319 [[image:1651745476754-240.png||height="234" width="629"]] 320 320 ... ... @@ -322,15 +322,10 @@ 322 322 323 323 [[image:image-20220505181135-2.png||height="229" width="622"]] 324 324 273 +In RPI , Fist: Enter root account: 325 325 326 - 327 -In RPI, Fist: Enter the root account: 328 - 329 -((( 330 330 [[image:1651745583363-614.png||height="151" width="732"]] 331 331 332 - 333 -))) 334 334 335 335 and then run: 336 336 ... ... @@ -340,24 +340,16 @@ 340 340 341 341 (% style="background-color:#dcdcdc" %)./auto_install.sh 342 342 343 -((( 344 344 [[image:1651745611629-818.png||height="225" width="729"]] 345 -))) 346 346 347 347 This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 348 348 349 349 You can get these output: 350 350 351 -((( 352 352 [[image:1651745657252-173.png||height="426" width="621"]] 353 353 294 +=== 5.2.2 Config Gateway ID, Frequency Band and Server address === 354 354 355 - 356 -))) 357 - 358 -=== **5.2.2 Config Gateway ID, Frequency Band and Server address** === 359 - 360 - 361 361 ((( 362 362 After installation, user can find the configuration file in** (% style="color:#0000ff" %)/etc/lora/ (%%)**Replace the gateway ID we got above to the (% style="color:#0000ff" %)**gateway_ID** (%%)in file (% style="color:#0000ff" %)**local_conf.json.** 363 363 ))) ... ... @@ -364,30 +364,26 @@ 364 364 365 365 ((( 366 366 The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file (% style="color:#0000ff" %)**local_conf.json**(%%), like below. 367 - 368 - 369 369 ))) 370 370 371 371 [[image:1651745709709-887.png||height="820" width="621"]] 372 372 306 +User can find the TTN v3 server address from: 373 373 374 - User can find the TTN v3 server address from:[[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]]308 +[[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 375 375 376 376 And the default frequency band is US915 in (% style="color:#0000ff" %)**global_conf.json**(%%) file. 377 377 378 378 [[image:1651745838008-820.png||height="650" width="621"]] 379 379 380 - 381 381 * If user want to change to other frequency bands, User can copy the file from(% style="color:#0000ff" %)** /etc/lora/cfg-302**(%%) ** **and put it into** (% style="color:#0000ff" %)/etc/lora/global_conf.json(%%).** 382 382 383 - **~1).**316 + 1).Chose your need the name of region frequency. 384 384 385 385 [[image:1651745867516-322.png||height="83" width="740"]] 386 386 320 + 2). Use this command to copy it. 387 387 388 -* 389 -** 2). Use this command to copy it. 390 - 391 391 cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 392 392 393 393 [[image:1651745984006-868.png||height="87" width="745"]] ... ... @@ -394,11 +394,8 @@ 394 394 395 395 * If user wants to change to other LoRaWAN server, modify the (% style="color:#0000ff" %)**global_conf.json**(%%) file. 396 396 328 +=== 5.2.3 Check result === 397 397 398 - 399 -=== **5.2.3 Check result** === 400 - 401 - 402 402 ((( 403 403 Run below command to restart the dragino_fwd: 404 404 ))) ... ... @@ -406,16 +406,15 @@ 406 406 ((( 407 407 (% class="box infomessage" %) 408 408 ((( 409 - **sudo systemctl stop draginofwd**337 +sudo systemctl stop draginofwd 410 410 ))) 411 411 412 412 (% class="box infomessage" %) 413 413 ((( 414 - **sudo systemctl start draginofwd**342 +sudo systemctl start draginofwd 415 415 ))) 416 416 ))) 417 417 418 - 419 419 ((( 420 420 debug check the ruing status of fwd: 421 421 ))) ... ... @@ -423,40 +423,33 @@ 423 423 ((( 424 424 (% class="box infomessage" %) 425 425 ((( 426 - **sudo systemctl status draginofwd**353 +sudo systemctl status draginofwd 427 427 ))) 428 428 ))) 429 429 430 430 [[image:1651746045057-414.png||height="193" width="729"]] 431 431 432 - 433 - 434 434 The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 435 435 436 - 437 437 [[image:1651746078253-168.png||height="372" width="621"]] 438 438 439 439 440 - 441 441 We can check dragino_fwd running states in RPi by running: 442 442 443 443 (% class="box infomessage" %) 444 444 ((( 445 -**~ sudo journalctl -u draginofwd -f** 368 +* 369 +** sudo journalctl -u draginofwd -f 446 446 ))) 447 447 448 448 [[image:1651746111963-838.png||height="184" width="730"]] 449 449 374 + If there are LoRaWAN nodes transmitting nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data 450 450 451 - If there are LoRaWAN nodes transmitting nearby, we can see the traffic in (% style="color:#037691" %)**TTN v3 –> Gateway ~-~-> Live data** 452 - 453 453 [[image:1651746139304-966.png||height="326" width="621"]] 454 454 378 +=== 5.2.4 Commands to handle service === 455 455 456 - 457 -=== **5.2.4 Commands to handle service** === 458 - 459 - 460 460 * (% style="color:#0000ff" %)**Stop** (%%)dragino_fwd service: sudo systemctl stop draginofwd 461 461 * (% style="color:#0000ff" %)**Disable**(%%) dragino_fwd auto run after boot: sudo systemctl disable draginofwd 462 462 * (% style="color:#0000ff" %)**Start** (%%)dragino_fwd : sudo systemctl start draginofwd ... ... @@ -463,73 +463,52 @@ 463 463 * (% style="color:#0000ff" %)**Auto run**(%%) dragino_fwd after boot: sudo systemctl enable draginofwd 464 464 * (% style="color:#0000ff" %)**Show status** (%%)of dragino_fwd: sudo systemctl status draginofwd 465 465 386 += 6. Order Info = 466 466 467 - 468 - 469 -= **6. Order Info** = 470 - 471 - 472 472 Part Number: (% style="color:#0000ff" %)**PG1302-XX** (%%) Or Part Number: (% style="color:#0000ff" %)**PG1302-PI-XX **(%%)(Include RPi converter board for RPI 3/4) 473 473 474 474 **~ (% style="color:#0000ff" %)XX:(%%)** 475 475 476 -* (% style="color: red" %)**868**(%%)(For Bands: EU868,IN865)477 -* (% style="color: red" %)**915**(%%)(For Bands: US915,AU915,AS923,KR920)478 -* (% style="color: red" %)**470**(%%)(For Band: CN470)392 +* (% style="color:#0000ff" %)868 (%%)(For Bands: EU868,IN865) 393 +* (% style="color:#0000ff" %)915 (%%)(For Bands: US915,AU915,AS923,KR920) 394 +* (% style="color:#0000ff" %)470 (%%)(For Band: CN470) 479 479 396 += 7. Packing Info = 480 480 481 - 482 - 483 - 484 -= **7. Packing Info** = 485 - 486 486 ((( 487 - 488 - 489 489 **PG1302 Package Includes**: 490 490 ))) 491 491 492 492 ((( 493 -((( 494 494 * PG1302 x 1 495 -* LoRa Antenna x 1 496 496 ))) 497 -))) 498 498 499 499 ((( 500 - 407 +* LoRa Antenna x 1 408 +))) 501 501 502 - 410 +((( 503 503 **PG1302-PI Package Includes**: 504 504 ))) 505 505 506 -* PG1302 x 1 507 -* LoRa Antenna x 1 508 -* RPi3/4 converter PCB 509 -* Screws to hole converter PCB on RPI. 414 +* ((( 415 +PG1302 x 1 416 +))) 417 +* ((( 418 +LoRa Antenna x 1 419 +))) 420 +* ((( 421 +RPi3/4 converter PCB 422 +))) 510 510 511 -**PG1302-PI Dimension and weight: ** 512 - 513 -* Device Size: 18 x 8 x 4 cm 514 -* Weight: 150g 515 - 516 - 517 - 518 - 519 - 520 520 ((( 521 - =**8.Support**=425 +* Screws to hole converter PCB on RPI. 522 522 427 += 8. Support = 523 523 524 -((( 525 -If you are experiencing issues and can't solve, you can send mail to 526 -))) 429 +If you are experiencing issues and can’t solve, you can send mail to 527 527 528 -((( 529 529 [[support@dragino.com>>mailto:support@dragino.com]] 530 -))) 531 531 532 -((( 533 533 With your question as detail as possible. We will reply and help you in the shortest. 534 534 ))) 535 -)))
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