Changes for page PG1302 -- LoRaWAN Concentrator User Manual
Last modified by Kilight Cao on 2024/06/22 10:43
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... ... @@ -1,26 +1,34 @@ 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 14 +[[image:1651796979665-130.png]] 8 8 16 +Document Version: 1.0.0 9 9 10 - {{toc/}}18 +Image Version: v1.0 11 11 12 12 13 -(% class="wikigeneratedid" id="H" %) 14 -((( 15 - 16 -))) 17 17 18 -=== 1. Introduction === 19 19 20 - ==== 1.1 Whatis PG1302 LoRaWAN Concentrator? ====23 +{{toc/}} 21 21 25 + 26 += 1. Introduction = 27 + 28 +== 1.1 What is PG1302 LoRaWAN Concentrator? == 29 + 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. 31 +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. 24 24 ))) 25 25 26 26 ((( ... ... @@ -31,8 +31,14 @@ 31 31 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. 32 32 ))) 33 33 34 -==== 1.2 Features ==== 42 +((( 43 +((( 44 + 45 +))) 46 +))) 35 35 48 +1.2 Features 49 + 36 36 * Base on Semtech SX1302 solution 37 37 * Support Raspberry Pi 3B/3B+/4 38 38 * Up to -140dBm sensitivity ... ... @@ -40,33 +40,34 @@ 40 40 * Mini-PCIe Interface 41 41 * Converter board to support Raspberry Pi 42 42 43 - ====1.3 General Interfaces====57 +1.3 General Interfaces 44 44 45 45 * SPI interface for LoRa 46 46 * Power Input: 5v, 1A 47 47 * 1 x I-PEX for LoRa 48 48 49 - ====1.4 Pin Mapping====63 +1.4 Pin Mapping 50 50 51 51 [[image:1651743282627-547.png||height="402" width="425"]] 52 52 53 53 54 54 55 - ====1.5 LEDs====69 +1.5 LEDs 56 56 57 - TX: Blink when transmit a packet 58 - RX: Blink when receive a packet 59 - Config: Always ON 71 + TX: Blink when transmit a packet 60 60 73 + RX: Blink when receive a packet 61 61 75 + Config: Always ON 62 62 63 -==== 1.6 Power Consumption ==== 64 64 65 - TBD78 +1.6 Power Consumption 66 66 80 + TBD 67 67 68 -==== 1.7 Applications ==== 69 69 83 +1.7 Applications 84 + 70 70 * Smart Buildings & Home Automation 71 71 * Logistics and Supply Chain Management 72 72 * Smart Metering ... ... @@ -74,43 +74,47 @@ 74 74 * Smart Cities 75 75 * Smart Factory 76 76 77 - ===2. Example: Set up as LoRaWAN gateway.===92 +2. Example: Set up as LoRaWAN gateway. 78 78 79 - ====2.1 System structure====94 + 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 url:http://www.thethingsnetwork.org/]](TTN) LoRaWAN server. Set up method for other server are similar.96 + This example is an example to show how to set up the PG1302 + RPi as a LoRaWAN gateway to use with [[TheThingsNetwork>>http://www.thethingsnetwork.org/]](TTN) LoRaWAN server.. Set up method for other server are similar。 82 82 98 +(% style="text-align:center" %) 83 83 [[image:1651743698677-436.png||height="457" width="686"]] 84 84 85 85 86 86 87 - ====2.2 Hardware Installation====103 +2.2 Hardware Installation 88 88 89 -**Important Notice: **Please power the RPI with 5V,3A cable. 105 +**~ Important Notice: **Please power the RPI with 5V,3A cable. 90 90 107 +(% style="text-align:center" %) 91 91 [[image:1651743803032-803.png]] 92 92 93 93 94 94 95 - ===3. Install the software?===112 +3. Install the software? 96 96 97 -There are two ways to install software in RPi4 to use PG1302. 114 + 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. 101 101 102 - ===4. Flash with pre-build image===119 +4. Flash with pre-build image 103 103 104 - ====4.1 Download the dragino image for RPI====121 + 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]] 123 + Download PG1302_for_Rpi4_64_with_webui from 108 108 125 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 109 109 110 -==== 4.2 Flash the image to SD card ==== 111 111 112 -Flash the image to SD card :128 +4.2 Flash the image to SD card 113 113 130 + Flash the image to SD card: 131 + 132 +(% 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 ... ... @@ -118,14 +118,18 @@ 118 118 [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 119 119 120 120 121 - ====4.3 Access the Linux console====140 +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 screenshots142 + 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. 124 124 144 + 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 145 + 146 +(% style="text-align:center" %) 125 125 [[image:1651744193675-591.png||height="450" width="466"]] 126 126 127 -The account details for Web Login are: 128 128 150 + The account details for Web Login are: 151 + 129 129 **~ User Name: root** 130 130 131 131 **~ Password: dragino** ... ... @@ -135,92 +135,118 @@ 135 135 136 136 **~ Pi/dragino** 137 137 138 -After log in, you will be in the Linux console and type command here. 139 139 162 + After log in, you will be in the Linux console and type command here. 163 + 164 +(% style="text-align:center" %) 140 140 [[image:1651744358515-107.png||height="366" width="581"]] 141 141 142 142 143 - ====4.4 Access the WebUI of RPi4.====168 + 4.4 Access the WebUI of RPi4. 144 144 145 -===== 4.4.1 Home page ===== 146 -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) 147 -You will see the login interface of RPI as shown below. 148 -The account details for Web Login are: 170 + 4.4.1 Home page 149 149 172 + Open a browser on the PC and type the RPI ip address 173 + 174 + [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 175 + 176 + 177 + You will see the login interface of RPI as shown below. 178 + 179 + The account details for Web Login are: 180 + 150 150 **~ User Name: root** 182 + 151 151 **~ Password: dragino** 152 152 185 +(% style="text-align:center" %) 153 153 [[image:1651744457761-993.png||height="352" width="621"]] 154 154 155 155 156 -===== 4.4.2 LoRa Page ===== 157 -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. 189 +4.4.2 LoRa Page 158 158 191 + 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. 192 + 193 +(% style="text-align:center" %) 159 159 [[image:1651744554845-970.png||height="328" width="621"]] 160 160 161 -Different PG1302 hardware version can support different frequency range: 162 162 163 - ➢868:validfrequency:863Mhz ~~ 870Mhz.forbandsEU868,RU864, IN865 orKZ865.197 + Different PG1302 hardware version can support different frequency range: 164 164 165 -➢ 915: valid frequency:902Mhz ~~928Mhz. for bands US915,AU915,AS923or KR920199 + ➢ 868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 166 166 167 - Afteruserchoosethefrequencyplan,hecansee theactuallyfrequencyinusedbycheckingthe201 + ➢ 915: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920 168 168 169 -page LogRead ~-~-> LoRa Log 170 170 171 - Note*: Seethisinstructionforhowtocustomize frequencyband204 + After user choose the frequency plan, he can see the actually frequency in used by checking the 172 172 173 - [[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]]206 + page LogRead ~-~-> LoRa Log 174 174 208 + Note *: See this instruction for how to customize frequency band 175 175 176 - =====4.4.3 LoRaWAN Page====210 + [[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]] 177 177 178 -====== 4.4.3.1 Semtech UDP ====== 179 179 213 +4.4.3 LoRaWAN Page 214 + 215 + 4.4.3.1 Semtech UDP 216 + 217 + 218 +(% style="text-align:center" %) 180 180 [[image:1651744767914-283.png||height="352" width="621"]] 181 181 182 -Note *: See this instruction for how to configure TTN. 183 183 184 -[[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);"]] 185 185 223 + Note *: See this instruction for how to configure TTN. 186 186 187 - ======4.4.3.2BasicStation=====225 + [[https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_TTN>>url:https://wiki.dragino.com/index.php?title=Notes_for_TTN]] 188 188 227 + 228 +4.4.3.2 Basic Station 229 + 230 +(% style="text-align:center" %) 189 189 [[image:1651744890629-683.png||height="380" width="621"]] 190 190 191 -Note *: See this instruction for how to configure TTN. 192 192 193 - [[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]]234 + Note *: See this instruction for how to configure TTN. 194 194 236 + [[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]] 195 195 196 -===== 4.4.4 LogRead ===== 197 197 198 - ======4.4.4.1LoRaLog ======239 +4.4.4 LogRead 199 199 241 + 4.4.4.1 LoRa Log 242 + 243 +(% style="text-align:center" %) 200 200 [[image:1651744955955-452.png||height="571" width="621"]] 201 201 202 -Show the frequency for LoRa Radio and traffics. 203 203 247 + Show the frequency for LoRa Radio and traffics. 204 204 205 -====== 4.4.4.2 System Log ====== 206 206 207 - Showsystemlog.250 +4.4.4.2 System Log 208 208 252 + Show system log. 253 + 254 +(% style="text-align:center" %) 209 209 [[image:1651745003470-264.png||height="477" width="621"]] 210 210 211 211 212 -====== 4.4.4.3 Record Log ====== 213 213 259 +4.4.4.3 Record Log 260 + 261 + 214 214 **Record the system log.** 215 215 264 +(% style="text-align:center" %) 216 216 [[image:1651745069814-662.png||height="144" width="621"]] 217 217 218 218 219 - ===5. Install stand alone LoRa Packet Forwarder.===268 +5. Install stand alone LoRa Packet Forwarder. 220 220 221 - ====5.1 OS requirement====270 + 5.1 OS requirement 222 222 223 -RPI in this example is RPI model 4B with fresh Raspbian OS install. 272 + RPI in this example is RPI model 4B with fresh Raspbian OS install. 224 224 225 225 pi@raspberrypi:~~$ cat /etc/os-release 226 226 ... ... @@ -243,159 +243,160 @@ 243 243 BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs" 244 244 245 245 246 - ====5.2 Get Gateway ID in Raspberry and input this in TTN v3.====295 +5.2 Get Gateway ID in Raspberry and input this in TTN v3. 247 247 248 -In RPI, run below command to get a Gateway ID 297 + In RPI, run below command to get a Gateway ID 249 249 250 -(% class="box infomessage" %) 251 -((( 252 - ifconfig eth0 253 -))) 299 + ifconfig eth0 254 254 301 +(% style="text-align:center" %) 255 255 [[image:1651745210205-512.png||height="130" width="621"]] 256 256 257 -((( 258 -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. 259 -))) 260 260 305 + 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. 306 + 307 +(% style="text-align:center" %) 261 261 [[image:1651745267862-321.png||height="526" width="621"]] 262 262 310 + 311 + 312 +(% style="text-align:center" %) 263 263 [[image:1651745306744-481.png||height="478" width="621"]] 264 264 265 265 After set up, the status should show not connected as below: 266 266 317 +(% style="text-align:center" %) 267 267 [[image:1651745366987-458.png||height="363" width="621"]] 268 268 269 269 270 -===== 5.2.1 Download and install LoRaWAN packet forwarder ===== 271 271 272 - EnableSPIandI2C first:322 +5.2.1 Download and install LoRaWAN packet forwarder 273 273 274 - a)SPIneedstobeenabledonthe RaspberryPi324 + Enable SPI and I2C first: 275 275 276 - Runsudoraspi-configtoopen theconfigwindow326 + a)SPI needs to be enabled on the Raspberry Pi 277 277 328 + Run sudo raspi-config to open the config window 329 + 330 +(% style="text-align:center" %) 278 278 [[image:1651745476754-240.png||height="235" width="631"]] 279 279 333 + 334 +(% style="text-align:center" %) 280 280 [[image:image-20220505181135-1.png]] 281 281 337 +(% style="text-align:center" %) 282 282 [[image:image-20220505181135-2.png]] 283 283 284 -In RPI , Fist: Enter root account: 285 285 341 + 342 + 343 + In RPI , Fist: Enter root account: 344 + 345 +(% style="text-align:center" %) 286 286 [[image:1651745583363-614.png]] 287 287 288 288 289 -and then run: 349 + and then run: 290 290 291 -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]] 351 + 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]] 292 292 293 -chmod +x ./auto_install.sh 353 + chmod +x ./auto_install.sh 294 294 295 -./auto_install.sh 355 + ./auto_install.sh 296 296 357 +(% style="text-align:center" %) 297 297 [[image:1651745611629-818.png]] 298 298 299 -This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 300 300 301 - Youcangetthese output:361 + This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 302 302 363 + You can get these output: 364 + 365 +(% style="text-align:center" %) 303 303 [[image:1651745657252-173.png||height="426" width="621"]] 304 304 305 305 306 - =====5.2.2 Config Gateway ID, Frequency Band and Server address=====369 +5.5.2 Config Gateway ID, Frequency Band and Server address 307 307 308 -((( 309 -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.** 310 -))) 371 + 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** 311 311 312 -((( 313 -The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file **local_conf.json**, like below. 314 -))) 373 + The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file **local_conf.json**, like below. 315 315 375 +(% style="text-align:center" %) 316 316 [[image:1651745709709-887.png||height="820" width="621"]] 317 317 318 -User can find the TTN v3 server address from: 319 319 320 - [[ServerAddresses~|TheThingsStack forLoRaWAN(thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]]379 + User can find the TTN v3 server address from: 321 321 381 + [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 322 322 323 -And the default frequency band is US915 in **global_conf.json** file. 324 324 384 + And the default frequency band is US915 in **global_conf.json** file. 385 + 386 +(% style="text-align:center" %) 325 325 [[image:1651745838008-820.png||height="650" width="621"]] 326 326 389 + 327 327 * 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.** 328 328 329 - 1).Chose your need the name of region frequency. 392 + 1).Chose your need the name of region frequency. 330 330 394 +(% style="text-align:center" %) 331 331 [[image:1651745867516-322.png]] 332 332 397 + 333 333 2). Use this command to copy it. 334 334 335 335 cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 336 336 402 +(% style="text-align:center" %) 337 337 [[image:1651745984006-868.png]] 338 338 405 + 339 339 * If user wants to change to other LoRaWAN server, modify the **global_conf.json** file. 340 340 341 -(% class="wikigeneratedid" %) 342 -((( 343 - 344 -))) 408 +5.2.3 Check result 345 345 346 - =====5.2.3Checkresult=====410 + Run below command to restart the dragino_fwd: 347 347 348 -((( 349 -Run below command to restart the dragino_fwd: 350 -))) 412 + sudo systemctl stop draginofwd 351 351 352 -((( 353 -(% class="box infomessage" %) 354 -((( 355 -sudo systemctl stop draginofwd 356 -))) 414 + sudo systemctl start draginofwd 357 357 358 -(% class="box infomessage" %) 359 -((( 360 -sudo systemctl start draginofwd 361 -))) 362 -))) 416 + debug check the ruing status of fwd: 363 363 364 -((( 365 -debug check the ruing status of fwd: 366 -))) 418 + sudo systemctl status draginofwd 367 367 368 -((( 369 -(% class="box infomessage" %) 370 -((( 371 -sudo systemctl status draginofwd 372 -))) 373 -))) 374 - 420 +(% style="text-align:center" %) 375 375 [[image:1651746045057-414.png]] 376 376 377 -The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 378 378 424 + The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 425 + 426 +(% style="text-align:center" %) 379 379 [[image:1651746078253-168.png||height="372" width="621"]] 380 380 381 381 382 -We can check dragino_fwd running states in RPi by running: 383 383 384 -(% class="box infomessage" %) 385 -((( 386 - **// sudo journalctl -u draginofwd -f//** 387 -))) 431 + We can check dragino_fwd running states in RPi by running: 388 388 433 + //**sudo journalctl -u draginofwd -f**// 434 + 435 +(% style="text-align:center" %) 389 389 [[image:1651746111963-838.png]] 390 390 391 - If there are LoRaWAN nodes transmitting nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data 392 392 393 393 440 + If there are LoRaWAN nodes transmits nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data 441 + 442 +(% style="text-align:center" %) 394 394 [[image:1651746139304-966.png||height="326" width="621"]] 395 395 396 396 397 -===== 5.2.4 Commands to handle service ===== 398 398 447 +5.2.4 Commands to handle service 448 + 399 399 * **Stop** dragino_fwd service: sudo systemctl stop draginofwd 400 400 * **Disable** dragino_fwd auto run after boot: sudo systemctl disable draginofwd 401 401 * **Start** dragino_fwd : sudo systemctl start draginofwd ... ... @@ -402,43 +402,40 @@ 402 402 * **Auto run** dragino_fwd after boot: sudo systemctl enable draginofwd 403 403 * **Show status** of dragino_fwd: sudo systemctl status draginofwd 404 404 405 - ===6. Order Info===455 +6. Order Info 406 406 407 -Part Number: **PG1302-XX** 457 + Part Number: **PG1302-XX** Or Part Number: **PG1302-PI-XX **(Include RPi converter board for RPI 3/4) 408 408 409 -**~ 459 +**~ XX:** 410 410 411 411 * 868 (For Bands: EU868,IN865) 412 412 * 915 (For Bands: US915,AU915,AS923,KR920) 413 413 * 470 (For Band: CN470) 414 414 415 - ===7. Packing Info===465 +7. Packing Info 416 416 417 -((( 418 -**PG1302 Package Includes**: 419 -))) 467 +**~ PG1302 Package Includes**: 420 420 421 -((( 422 422 * PG1302 x 1 423 - )))470 +* LoRa Antenna x 1 424 424 425 -((( 472 +**~ PG1302-PI Package Includes**: 473 + 474 +* PG1302 x 1 426 426 * LoRa Antenna x 1 427 -))) 476 +* RPi3/4 converter PCB 477 +* Screws to hole converter PCB on RPI. 428 428 429 -((( 430 -**PG1302-PI Package Includes**: 431 -))) 479 +8. Reference 432 432 433 -* ((( 434 -PG1302 x 1 435 -))) 436 -* ((( 437 -LoRa Antenna x 1 438 -))) 439 -* ((( 440 -RPi3/4 converter PCB 441 -))) 442 -* ((( 443 -Screws to hole converter PCB on RPI. 444 -))) 481 +* Datasheet, User Manual & Software Download: 482 + 483 + [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>url:https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 484 + 485 + 486 +9. Support 487 + 488 +* 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. 489 +* 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 490 + 491 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]