Changes for page PG1302 -- LoRaWAN Concentrator User Manual
Last modified by Kilight Cao on 2024/06/22 10:43
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... ... @@ -14,11 +14,12 @@ 14 14 15 15 ))) 16 16 17 -= 1. Introduction = 17 += **1. Introduction** = 18 18 19 -== 1.1 What is PG1302 LoRaWAN Concentrator? == 20 20 20 +== **1.1 What is PG1302 LoRaWAN Concentrator?** == 21 21 22 + 22 22 ((( 23 23 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. 24 24 ))) ... ... @@ -32,33 +32,38 @@ 32 32 ))) 33 33 34 34 35 -== 1.2 Features == 36 36 37 +== **1.2 Features** == 37 37 39 + 38 38 * Base on Semtech SX1302 solution 39 -* Support Raspberry Pi 3B/3B+/4 , TinkerBoard2/2S, Orange Pi Pc/PC PLUS.41 +* Support Raspberry Pi 3B/3B+/4 40 40 * Up to -140dBm sensitivity 41 41 * Support 3.3v and 5v. 42 42 * Mini-PCIe Interface 43 43 * Converter board to support Raspberry Pi 44 44 45 -== 1.3 General Interfaces for PG1302 == 46 46 47 47 49 +== **1.3 General Interfaces for PG1302** == 50 + 51 + 48 48 * SPI interface for LoRa 49 49 * Power Input: 5v, 1A 50 50 * 1 x I-PEX for LoRa 51 -* Working Temperature: -40 ℃ ~~ 80℃ 52 52 53 -== 1.4 Pin Mapping == 54 54 55 55 58 +== **1.4 Pin Mapping** == 59 + 60 + 56 56 [[image:1651743282627-547.png||height="402" width="425"]] 57 57 58 58 59 -== 1.5 LEDs == 60 60 65 +== **1.5 LEDs** == 61 61 67 + 62 62 ((( 63 63 TX: Blink when transmit a packet 64 64 RX: Blink when receive a packet ... ... @@ -66,17 +66,19 @@ 66 66 ))) 67 67 68 68 69 -== 1.6 Power Consumption == 70 70 76 +== **1.6 Power Consumption** == 71 71 78 + 72 72 <300mA @ 3.3v. 73 73 74 74 Detail Test Report see [[this link>>https://www.dropbox.com/sh/89virm4y0b02c7i/AAA-cgQEsSc8gNGFYAB0qZ_Za?dl=0]] 75 75 76 76 77 -== 1.7 Applications == 78 78 85 +== **1.7 Applications** == 79 79 87 + 80 80 * Smart Buildings & Home Automation 81 81 * Logistics and Supply Chain Management 82 82 * Smart Metering ... ... @@ -84,11 +84,14 @@ 84 84 * Smart Cities 85 85 * Smart Factory 86 86 87 -= 2. Example: Set up as LoRaWAN gateway = 88 88 89 -== 2.1 System structure == 90 90 97 += **2. Example: Set up as LoRaWAN gateway** = 91 91 99 + 100 +== **2.1 System structure** == 101 + 102 + 92 92 ((( 93 93 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. 94 94 ... ... @@ -98,43 +98,41 @@ 98 98 [[image:1651743698677-436.png||height="457" width="686"]] 99 99 100 100 101 -== 2.2 Hardware Installation == 102 102 113 +== **2.2 Hardware Installation** == 103 103 115 + 104 104 (% style="color:red" %)**Important Notice: Please power the RPI with 5V,3A cable.** 105 105 106 106 [[image:image-20220621104746-1.png||height="381" width="451"]] 107 107 108 108 109 -= 3. Install the software? = 110 110 122 += **3. Install the software?** = 111 111 112 -**Raspberry Pi 3B/3B+/4,** 113 113 125 +There are two ways to install the software in RPi4 to use PG1302. 126 + 114 114 * Flash SD card with Dragino pre-build image which supports Web UI. 115 -* Install [[Dragino-FWD>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/PG1302/#H5.2.2.A0Selecttheappropriatedeviceversiontodownload:]]in existing RPi OS.128 +* Install Lora packet forwarder in existing RPi OS. 116 116 117 -**TinkerBoard2/2S, ** 118 118 119 -* Install [[Dragino-FWD>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/PG1302/#H5.2.2.A0Selecttheappropriatedeviceversiontodownload:]] in the existing OS. 120 120 121 -** OrangePiPC/PCPLUS.**132 += **4. Flash with pre-build image** = 122 122 123 -* Install [[Dragino-FWD>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/PG1302/#H5.2.2.A0Selecttheappropriatedeviceversiontodownload:]] in the existing OS. 124 124 125 -= 4. Flashwithpre-buildimage =135 +== **4.1 Download the dragino image for RPI** == 126 126 127 -== 4.1 Download the dragino image for RPI == 128 128 129 - 130 130 ((( 131 131 Download PG1302_for_Rpi4_64_with_webui from: [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 132 132 ))) 133 133 134 134 135 -== 4.2 Flash the image to an SD card == 136 136 144 +== **4.2 Flash the image to an SD card** == 137 137 146 + 138 138 Flash the image to the SD card: 139 139 140 140 [[image:1651744119133-233.png||height="373" width="621"]] ... ... @@ -143,9 +143,10 @@ 143 143 (% style="color:red" %)**Note: Download the flash tool following this link:**[[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 144 144 145 145 146 -== 4.3 Access the Linux console == 147 147 156 +== **4.3 Access the Linux console** == 148 148 158 + 149 149 ((( 150 150 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 151 151 ))) ... ... @@ -182,11 +182,13 @@ 182 182 [[image:1651744358515-107.png||height="366" width="581"]] 183 183 184 184 185 -== 4.4 Access the WebUI of RPi4 == 186 186 187 -== =4.4.1Homepage ===196 +== **4.4 Access the WebUI of RPi4** == 188 188 189 189 199 +=== **4.4.1 Home page** === 200 + 201 + 190 190 ((( 191 191 Open a browser on the PC and type the RPI ip address **http:~/~/IP_ADDRESS ** (If the IP is assigned by the uplink router) 192 192 You will see the login interface of RPI as shown below. ... ... @@ -203,9 +203,10 @@ 203 203 [[image:1651744457761-993.png||height="352" width="621"]] 204 204 205 205 206 -=== 4.4.2 LoRa Page === 207 207 219 +=== **4.4.2 LoRa Page** === 208 208 221 + 209 209 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. 210 210 211 211 ... ... @@ -222,11 +222,13 @@ 222 222 (% style="color:red" %)**Note *: [[See this instruction for how to customize frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]** 223 223 224 224 225 -=== 4.4.3 LoRaWAN Page === 226 226 227 -=== =4.4.3.1SemtechUDP ====239 +=== **4.4.3 LoRaWAN Page** === 228 228 229 229 242 +==== **4.4.3.1 Semtech UDP** ==== 243 + 244 + 230 230 [[image:1651744767914-283.png||height="352" width="621"]] 231 231 232 232 ... ... @@ -233,9 +233,10 @@ 233 233 (% style="color:red" %)**Note *: [[See this instruction for how to configure TTN>>doc:Main.Notes for TTN.WebHome]].** 234 234 235 235 236 -==== 4.4.3.2 Basic Station ==== 237 237 252 +==== **4.4.3.2 Basic Station** ==== 238 238 254 + 239 239 [[image:1651744890629-683.png||height="380" width="621"]] 240 240 241 241 ... ... @@ -242,11 +242,13 @@ 242 242 (% style="color:red" %)**Note *: [[See this instruction for how to configure AWS-loT-Core>>doc:Main.AWS IoT Core for LoRaWAN.WebHome]].** 243 243 244 244 245 -=== 4.4.4 LogRead === 246 246 247 -=== =4.4.4.1LoRaLog====262 +=== **4.4.4 LogRead** === 248 248 249 249 265 +==== **4.4.4.1 LoRa Log** ==== 266 + 267 + 250 250 [[image:1651744955955-452.png||height="571" width="621"]] 251 251 252 252 ... ... @@ -253,9 +253,10 @@ 253 253 Show the frequency for LoRa Radio and traffics. 254 254 255 255 256 -==== 4.4.4.2 System Log ==== 257 257 275 +==== **4.4.4.2 System Log** ==== 258 258 277 + 259 259 Show system log. 260 260 261 261 ... ... @@ -262,9 +262,10 @@ 262 262 [[image:1651745003470-264.png||height="477" width="621"]] 263 263 264 264 265 -==== 4.4.4.3 Record Log ==== 266 266 285 +==== **4.4.4.3 Record Log** ==== 267 267 287 + 268 268 **Record the system log.** 269 269 270 270 ... ... @@ -271,39 +271,13 @@ 271 271 [[image:1651745069814-662.png||height="144" width="621"]] 272 272 273 273 274 -= 5. Install stand-alone LoRa Packet Forwarder = 275 275 276 -= =5.1 Choosethe right installationpackageforyourOS==295 += **5. Install stand-alone LoRa Packet Forwarder** = 277 277 278 278 279 -((( 280 -**draginofwd-32bit (RPI, Orange PI)** 298 +== **5.1 OS requirement** == 281 281 282 -**Download URL:** https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb 283 283 284 -**Linux Command:** wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb && dpkg -i draginofwd-32bit.deb 285 - 286 - 287 -**dragino-64bit (RPI, Orange PI)** 288 - 289 -**Download URL: **https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb 290 -))) 291 - 292 -**Linux Command: **wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb && dpkg -i draginofwd-64bit.deb 293 - 294 - 295 -**dragino-tiker-32bit (Tinker Board)** 296 - 297 -**Download URL: **https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb 298 - 299 -**Linux Command: **wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb && dpkg -i draginofwd-tinker-32bit.deb 300 - 301 - 302 -**Install details:** 303 - 304 -[[image:image-20220928181226-1.png||height="218" width="1100"]] 305 - 306 - 307 307 RPI in this example is RPI model 4B with fresh Raspbian OS install. 308 308 309 309 (% class="box" %) ... ... @@ -323,25 +323,10 @@ 323 323 ))) 324 324 325 325 326 -== 5.2 Select the mode of connection to the server == 327 327 321 +== **5.2 Get Gateway ID in Raspberry and input this in TTN v3** == 328 328 329 -The Dragino LoRa Packet Forware supports the Semtech UDP and Basic Station mode. 330 330 331 -The User can choose one of the methods as the connection mode. 332 - 333 - 334 -**~1. Semtech UDP Mode ~-~-> 5.2.1** 335 - 336 -**2. Basic Station Mode ~-~-> 5.2.2** 337 - 338 - 339 -=== 5.2.1 Semtech UDP Mode === 340 - 341 - 342 -==== a). Get a gateway EUI from the device ETH MAC. ==== 343 - 344 - 345 345 In RPI, run the below command to get a Gateway ID 346 346 347 347 (% class="box infomessage" %) ... ... @@ -356,9 +356,7 @@ 356 356 ((( 357 357 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. 358 358 359 - 360 - 361 -==== b). Input this Gateway EUI to the TTN-Stack ==== 338 + 362 362 ))) 363 363 ))) 364 364 ... ... @@ -367,29 +367,30 @@ 367 367 [[image:1651745306744-481.png||height="478" width="621"]] 368 368 369 369 370 - ==== c).AfterRegister, the status should show not connected as below:====347 +After set up, the status should show not connected as below: 371 371 372 372 [[image:1651745366987-458.png||height="363" width="621"]] 373 373 374 374 375 -==== d). Enable SPI and I2C on your device ==== 376 376 377 -** the belowexampleisusingRaspberry 4B.**353 +=== **5.2.1 Download and install LoRaWAN packet forwarder** === 378 378 379 379 356 +Enable SPI and I2C first: 357 + 358 +a) SPI needs to be enabled on the Raspberry Pi 359 + 380 380 Run (% style="background-color:yellow" %) **sudo raspi-config**(%%) to open the config window 381 381 382 382 [[image:1651745476754-240.png||height="234" width="629"]] 383 383 384 - 385 385 [[image:image-20220505181135-1.png]] 386 386 387 - 388 388 [[image:image-20220505181135-2.png||height="229" width="622"]] 389 389 390 390 391 391 392 - ====e).Accessthe root account:====370 +In RPI, Fist: Enter the root account: 393 393 394 394 ((( 395 395 [[image:1651745583363-614.png||height="151" width="732"]] ... ... @@ -397,59 +397,69 @@ 397 397 398 398 ))) 399 399 400 -==== f). Modify the configuration of FWD ==== 401 401 379 +Select the appropriate device version to download 402 402 381 + 403 403 ((( 404 -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.** 383 +draginofwd-32bit 384 + 385 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb && dpkg -i draginofwd-32bit.deb 386 + 387 + 388 +dragino-64bit 405 405 ))) 406 406 407 -((( 408 -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. 391 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb && dpkg -i draginofwd-64bit.deb 409 409 410 410 411 - the User can findthe loraconfigurationdirectory in (% style="color:#0000ff" %)**/etc/lora/**(%%) there are the cfg-302directory and the global_conf.json, and local_conf.json files.394 +dragino-tiker-32bit 412 412 413 -/etc/lora/ 414 -├── cfg-302 ~-~--> global configuration file 415 -├── devskey ~-~--> Database 416 -├── global_conf.json ~-~--> Frequency plan for current applications 417 -└── local_conf.json ~-~--> Local fwd configuration 396 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb && dpkg -i draginofwd-tinker-32bit.deb 418 418 419 -At default, the users need to change two configurations file: global_conf.json and local_conf.json. 420 420 421 -===== **1.) Configure gateway EUI and server address, port for fwd** ===== 399 +((( 400 + 422 422 402 +[[image:image-20220928181226-1.png]] 403 + 423 423 424 424 ))) 425 425 426 - [[image:1651745709709-887.png||height="820"width="621"]]407 +=== **5.2.2 Config Gateway ID, Frequency Band and Server address** === 427 427 428 428 429 -**Note: Users 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]]** 410 +((( 411 +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.** 412 +))) 430 430 414 +((( 415 +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. 431 431 432 -===== **2). Override the global_conf.json file by selecting the appropriate frequency plan for your region in cfg-302** ===== 417 + 418 +))) 433 433 420 +[[image:1651745709709-887.png||height="820" width="621"]] 434 434 435 -the default frequency band is US915 in the (% style="color:#0000ff" %)**global_conf.json**(%%) file. 436 436 437 - [[image:1651745838008-820.png||height="650"width="621"]]423 +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]] 438 438 425 +And the default frequency band is US915 in (% style="color:#0000ff" %)**global_conf.json**(%%) file. 439 439 440 - If the user wants to changeto other frequency bands, theUser can copy the file from(% style="color:#0000ff"%)** /etc/lora/cfg-302**(%%) ** **andputit into** (% style="color:#0000ff"%)/etc/lora/global_conf.json(%%).**427 +[[image:1651745838008-820.png||height="650" width="621"]] 441 441 442 -**//eg: cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json //** 443 443 430 +* 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(%%).** 444 444 432 +**~ 1). Chose your need the name of region frequency.** 445 445 446 -====== **Selecting the appropriate frequency plan for your region in cfg-302.** ====== 447 447 448 448 [[image:1651745867516-322.png||height="83" width="740"]] 449 449 450 450 451 -====== **Override the global_conf.json** ====== 452 452 439 +**~ 2). Use this command to copy it.** 440 + 453 453 (% class="box infomessage" %) 454 454 ((( 455 455 **cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json** ... ... @@ -458,20 +458,30 @@ 458 458 [[image:1651745984006-868.png||height="87" width="745"]] 459 459 460 460 461 - ====(%style="color:inherit;font-family:inherit;font-size:23px"%)g). RunningtheFwdServer(%%)====449 +* If user wants to change to other LoRaWAN server, modify the (% style="color:#0000ff" %)**global_conf.json**(%%) file. 462 462 463 463 452 + 453 +=== **5.2.3 Check result** === 454 + 455 + 464 464 ((( 465 -Run thebelow command to restart the dragino_fwd:457 +Run below command to restart the dragino_fwd: 466 466 ))) 467 467 468 468 ((( 469 469 (% class="box infomessage" %) 470 470 ((( 463 +**sudo systemctl stop draginofwd** 464 +))) 465 + 466 +(% class="box infomessage" %) 467 +((( 471 471 **sudo systemctl start draginofwd** 472 472 ))) 473 473 ))) 474 474 472 + 475 475 ((( 476 476 debug check the ruing status of fwd: 477 477 ))) ... ... @@ -486,13 +486,15 @@ 486 486 [[image:1651746045057-414.png||height="193" width="729"]] 487 487 488 488 489 -Wait for a few minutes, the gateway will be online/active on the TTN-Stack. 490 490 488 +The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 489 + 490 + 491 491 [[image:1651746078253-168.png||height="372" width="621"]] 492 492 493 493 494 494 495 - Getthe draginofwd real-time runninglog:495 +We can check dragino_fwd running states in RPi by running: 496 496 497 497 (% class="box infomessage" %) 498 498 ((( ... ... @@ -508,8 +508,10 @@ 508 508 [[image:1651746139304-966.png||height="326" width="621"]] 509 509 510 510 511 -==== h). Commands to handle service ==== 512 512 512 +=== **5.2.4 Commands to handle service** === 513 + 514 + 513 513 * (% style="color:#0000ff" %)**Stop** (%%)dragino_fwd service: sudo systemctl stop draginofwd 514 514 * (% style="color:#0000ff" %)**Disable**(%%) dragino_fwd auto run after boot: sudo systemctl disable draginofwd 515 515 * (% style="color:#0000ff" %)**Start** (%%)dragino_fwd : sudo systemctl start draginofwd ... ... @@ -517,59 +517,10 @@ 517 517 * (% style="color:#0000ff" %)**Show status** (%%)of dragino_fwd: sudo systemctl status draginofwd 518 518 519 519 520 -=== **5.2.2 Basic Station Mode.** === 521 521 523 += **6. Order Info** = 522 522 523 -==== a). Get a gateway EUI from the device ETH MAC. ==== 524 524 525 - 526 -In RPI, run the below command to get a Gateway ID 527 - 528 -(% class="box infomessage" %) 529 -((( 530 -**~ ifconfig eth0** 531 -))) 532 - 533 -[[image:1651745210205-512.png||height="130" width="621"]] 534 - 535 - 536 -((( 537 -((( 538 -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. 539 -))) 540 -))) 541 - 542 - 543 - 544 - 545 -b 546 - 547 - 548 - 549 - 550 -c 551 - 552 -d 553 - 554 -e 555 - 556 -f 557 - 558 -g 559 - 560 -h 561 - 562 -i 563 - 564 -j 565 - 566 -k 567 - 568 - 569 - 570 -= 6. Order Info = 571 - 572 - 573 573 Part Number: (% style="color:#0000ff" %)**PG1302-XX** (%%) Or Part Number: (% style="color:#0000ff" %)**PG1302-PI-XX **(%%)(Include RPi converter board for RPI 3/4) 574 574 575 575 **~ (% style="color:#0000ff" %)XX:(%%)** ... ... @@ -578,8 +578,10 @@ 578 578 * (% style="color:red" %)**915** (%%)(For Bands: US915,AU915,AS923,KR920) 579 579 * (% style="color:red" %)**470** (%%)(For Band: CN470) 580 580 581 -= 7. Packing Info = 582 582 535 + 536 += **7. Packing Info** = 537 + 583 583 ((( 584 584 585 585 ... ... @@ -596,6 +596,7 @@ 596 596 ((( 597 597 598 598 554 + 599 599 **PG1302-PI Package Includes**: 600 600 ))) 601 601 ... ... @@ -604,13 +604,16 @@ 604 604 * RPi3/4 converter PCB 605 605 * Screws to hole converter PCB on RPI. 606 606 563 + 607 607 **PG1302-PI Dimension and weight: ** 608 608 609 609 * Device Size: 18 x 8 x 4 cm 610 610 * Weight: 150g 611 611 569 + 570 + 612 612 ((( 613 -= 8. Support = 572 += **8. Support** = 614 614 615 615 616 616 (((
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