Last modified by Kilight Cao on 2024/06/22 10:43
<
From version < 61.1 >
edited by Xiaoling
on 2022/05/06 10:19
To version < 85.1 >
edited by Xiaoling
on 2022/05/06 15:42
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Summary

Details

Page properties
Content
... ... @@ -6,30 +6,29 @@
6 6  
7 7  
8 8  
9 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif]]
10 10  
11 11  
12 12  
13 13  **PG1302 LoRaWAN Concentrator User Manual**
14 14  
15 -[[image:1651796979665-130.png]]
16 16  
17 -Document Version: 1.0.0
18 18  
19 -Image Version: v1.0
20 20  
21 21  
18 +{{toc/}}
22 22  
23 23  
24 -{{toc numbered="true" depth="4"/}}
21 +----
25 25  
23 +(% class="wikigeneratedid" id="H" %)
24 +(((
25 +
26 +)))
26 26  
28 +=== 1. Introduction ===
27 27  
30 +==== 1.1 What is PG1302 LoRaWAN Concentrator? ====
28 28  
29 -~1. Introduction
30 -
31 - 1.1 What is PG1302 LoRaWAN Concentrator?
32 -
33 33  (((
34 34  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.
35 35  )))
... ... @@ -48,7 +48,7 @@
48 48  )))
49 49  )))
50 50  
51 -1.2 Features
50 +==== 1.2 Features ====
52 52  
53 53  * Base on Semtech SX1302 solution
54 54  * Support Raspberry Pi 3B/3B+/4
... ... @@ -57,20 +57,20 @@
57 57  * Mini-PCIe Interface
58 58  * Converter board to support Raspberry Pi
59 59  
60 -1.3 General Interfaces
59 +==== 1.3 General Interfaces ====
61 61  
62 62  * SPI interface for LoRa
63 63  * Power Input: 5v, 1A
64 64  * 1 x I-PEX for LoRa
65 65  
66 -1.4 Pin Mapping
65 +==== 1.4 Pin Mapping ====
67 67  
68 68   [[image:1651743282627-547.png||height="402" width="425"]]
69 69  
70 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif]]
71 71  
72 -1.5 LEDs
73 73  
71 +==== 1.5 LEDs ====
72 +
74 74   TX: Blink when transmit a packet
75 75  
76 76   RX: Blink when receive a packet
... ... @@ -77,12 +77,14 @@
77 77  
78 78   Config: Always ON
79 79  
80 -1.6 Power Consumption
81 81  
80 +==== 1.6 Power Consumption ====
81 +
82 82   TBD
83 83  
84 -1.7 Applications
85 85  
85 +==== 1.7 Applications ====
86 +
86 86  * Smart Buildings & Home Automation
87 87  * Logistics and Supply Chain Management
88 88  * Smart Metering
... ... @@ -90,19 +90,20 @@
90 90  * Smart Cities
91 91  * Smart Factory
92 92  
93 -2. Example: Set up as LoRaWAN gateway.
94 +=== 2. Example: Set up as LoRaWAN gateway. ===
94 94  
95 - 2.1 System structure
96 +==== 2.1 System structure ====
96 96  
97 - 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。
98 + 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.
98 98  
100 + Set up method for other server are similar.
101 +
99 99  (% style="text-align:center" %)
100 100  [[image:1651743698677-436.png||height="457" width="686"]]
101 101  
102 102  
103 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.gif]]
104 104  
105 -2.2 Hardware Installation
107 +==== 2.2 Hardware Installation ====
106 106  
107 107  **~ Important Notice: **Please power the RPI with 5V,3A cable.
108 108  
... ... @@ -109,44 +109,54 @@
109 109  (% style="text-align:center" %)
110 110  [[image:1651743803032-803.png]]
111 111  
112 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.gif]]
113 113  
114 -3. Install the software?
115 115  
116 +=== 3. Install the software? ===
117 +
116 116   There are two ways to install software in RPi4 to use PG1302.
117 117  
118 118  * Flash SD card with Dragino pre-build image which support Web UI.
119 119  * Install lora packet forwarder in existing RPi OS.
120 120  
121 -4. Flash with pre-build image
123 +=== 4. Flash with pre-build image ===
122 122  
123 - 4.1 Download the dragino image for RPI
125 +==== 4.1 Download the dragino image for RPI ====
124 124  
125 125   Download PG1302_for_Rpi4_64_with_webui from
126 126  
127 127   [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]]
128 128  
129 -4.2 Flash the image to SD card
130 130  
131 - Flash the image to SD card:
132 +==== 4.2 Flash the image to SD card ====
132 132  
134 + Flash the image to SD card:
135 +
133 133  (% style="text-align:center" %)
134 134  [[image:1651744119133-233.png||height="373" width="621"]]
135 135  
136 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.jpg]]Note: Download the flash tool following this link
139 + Note: Download the flash tool following this link
137 137  
138 138   [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]]
139 139  
140 -4.3 Access the Linux console.
141 141  
142 - 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.
144 +==== 4.3 Access the Linux console ====
143 143  
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
146 +(((
147 + 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
148 +)))
145 145  
150 +(((
151 + 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.
152 +)))
153 +
154 +(((
155 + 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
156 +)))
157 +
158 +
146 146  (% style="text-align:center" %)
147 147  [[image:1651744193675-591.png||height="450" width="466"]]
148 148  
149 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.jpg]]
150 150  
151 151   The account details for Web Login are:
152 152  
... ... @@ -165,18 +165,18 @@
165 165  (% style="text-align:center" %)
166 166  [[image:1651744358515-107.png||height="366" width="581"]]
167 167  
168 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.jpg]] 4.4 Access the WebUI of RPi4.
169 169  
170 - 4.4.1 Home page
181 +==== 4.4 Access the WebUI of RPi4. ====
171 171  
172 - Open a browser on the PC and type the RPI ip address
183 +===== 4.4.1 Home page =====
173 173  
174 - [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router)
185 + Open a browser on the PC and type the RPI ip address
175 175  
187 + [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router)
176 176  
177 - You will see the login interface of RPI as shown below.
189 + You will see the login interface of RPI as shown below.
178 178  
179 - The account details for Web Login are:
191 + The account details for Web Login are:
180 180  
181 181  **~ User Name: root**
182 182  
... ... @@ -185,9 +185,8 @@
185 185  (% style="text-align:center" %)
186 186  [[image:1651744457761-993.png||height="352" width="621"]]
187 187  
188 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.jpg]]
189 189  
190 -4.4.2 LoRa Page
201 +===== 4.4.2 LoRa Page =====
191 191  
192 192   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.
193 193  
... ... @@ -194,7 +194,6 @@
194 194  (% style="text-align:center" %)
195 195  [[image:1651744554845-970.png||height="328" width="621"]]
196 196  
197 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.jpg]]
198 198  
199 199   Different PG1302 hardware version can support different frequency range:
200 200  
... ... @@ -212,71 +212,61 @@
212 212   [[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]]
213 213  
214 214  
215 -4.4.3 LoRaWAN Page
225 +===== 4.4.3 LoRaWAN Page =====
216 216  
217 - 4.4.3.1 Semtech UDP
227 +====== 4.4.3.1 Semtech UDP ======
218 218  
219 219  
220 220  (% style="text-align:center" %)
221 221  [[image:1651744767914-283.png||height="352" width="621"]]
222 222  
233 + Note *: See this instruction for how to configure TTN.
223 223  
224 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.jpg]]
235 + [[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);"]]
225 225  
226 - Note *: See this instruction for how to configure TTN.
227 227  
228 - [[https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_TTN>>url:https://wiki.dragino.com/index.php?title=Notes_for_TTN]]
238 +====== 4.4.3.2 Basic Station ======
229 229  
230 -
231 -4.4.3.2 Basic Station
232 -
233 233  (% style="text-align:center" %)
234 234  [[image:1651744890629-683.png||height="380" width="621"]]
235 235  
236 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.jpg]]
243 + Note *: See this instruction for how to configure TTN.
237 237  
238 - Note *: See this instruction for how to configure TTN.
245 + [[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]]
239 239  
240 - [[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]]
241 241  
248 +===== 4.4.4 LogRead =====
242 242  
243 -4.4.4 LogRead
250 +====== 4.4.4.1 LoRa Log ======
244 244  
245 - 4.4.4.1 LoRa Log
246 -
247 247  (% style="text-align:center" %)
248 248  [[image:1651744955955-452.png||height="571" width="621"]]
249 249  
250 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.jpg]]
255 + Show the frequency for LoRa Radio and traffics.
251 251  
252 - Show the frequency for LoRa Radio and traffics.
253 253  
258 +====== 4.4.4.2 System Log ======
254 254  
255 -4.4.4.2 System Log
260 + Show system log.
256 256  
257 - Show system log.
258 -
259 259  (% style="text-align:center" %)
260 260  [[image:1651745003470-264.png||height="477" width="621"]]
261 261  
262 262  
263 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.jpg]]
264 264  
265 -4.4.4.3 Record Log
267 +====== 4.4.4.3 Record Log ======
266 266  
269 +**~ Record the system log.**
267 267  
268 -**Record the system log.**
269 -
270 270  (% style="text-align:center" %)
271 271  [[image:1651745069814-662.png||height="144" width="621"]]
272 272  
273 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.jpg]]
274 274  
275 -5. Install stand alone LoRa Packet Forwarder.
275 +=== 5. Install stand alone LoRa Packet Forwarder. ===
276 276  
277 - 5.1 OS requirement
277 +==== 5.1 OS requirement ====
278 278  
279 - RPI in this example is RPI model 4B with fresh Raspbian OS install.
279 + RPI in this example is RPI model 4B with fresh Raspbian OS install.
280 280  
281 281   pi@raspberrypi:~~$ cat /etc/os-release
282 282  
... ... @@ -299,39 +299,36 @@
299 299   BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs"
300 300  
301 301  
302 -5.2 Get Gateway ID in Raspberry and input this in TTN v3.
302 +==== 5.2 Get Gateway ID in Raspberry and input this in TTN v3. ====
303 303  
304 - In RPI, run below command to get a Gateway ID
304 + In RPI, run below command to get a Gateway ID
305 305  
306 - ifconfig eth0
306 + (% class="mark" %)ifconfig eth0
307 307  
308 308  (% style="text-align:center" %)
309 309  [[image:1651745210205-512.png||height="130" width="621"]]
310 310  
311 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.gif]]
312 312  
313 - 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.
312 + 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.
314 314  
314 + Make sure to select legacy packet forwarder.
315 +
315 315  (% style="text-align:center" %)
316 316  [[image:1651745267862-321.png||height="526" width="621"]]
317 317  
318 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.jpg]]
319 319  
320 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.jpg]]
321 321  
322 322  (% style="text-align:center" %)
323 323  [[image:1651745306744-481.png||height="478" width="621"]]
324 324  
324 +After set up, the status should show not connected as below:
325 +
325 325  (% style="text-align:center" %)
326 326  [[image:1651745366987-458.png||height="363" width="621"]]
327 327  
328 -After set up, the status should show not connected as below:
329 329  
330 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.jpg]]
330 +===== 5.2.1 Download and install LoRaWAN packet forwarder =====
331 331  
332 -5.2.1 Download and install LoRaWAN packet forwarder
333 -
334 -
335 335   Enable SPI and I2C first:
336 336  
337 337   a)SPI needs to be enabled on the Raspberry Pi
... ... @@ -348,20 +348,14 @@
348 348  (% style="text-align:center" %)
349 349  [[image:image-20220505181135-2.png]]
350 350  
351 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image044.jpg]]
352 352  
353 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image046.jpg]]
354 354  
355 355  
356 -
357 -
358 -
359 359   In RPI , Fist: Enter root account:
360 360  
361 361  (% style="text-align:center" %)
362 362  [[image:1651745583363-614.png]]
363 363  
364 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image048.jpg]]
365 365  
366 366   and then run:
367 367  
... ... @@ -374,7 +374,6 @@
374 374  (% style="text-align:center" %)
375 375  [[image:1651745611629-818.png]]
376 376  
377 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image050.gif]]
378 378  
379 379   This will download the packet forwarder package from Dragino Server to RPI, and start install the package.
380 380  
... ... @@ -383,30 +383,27 @@
383 383  (% style="text-align:center" %)
384 384  [[image:1651745657252-173.png||height="426" width="621"]]
385 385  
386 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image052.jpg]]
387 387  
388 -5.5.2 Config Gateway ID, Frequency Band and Server address
377 +===== 5.2.2 Config Gateway ID, Frequency Band and Server address =====
389 389  
390 - 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**
379 + 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**
391 391  
392 - 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.
381 + 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.
393 393  
394 394  (% style="text-align:center" %)
395 395  [[image:1651745709709-887.png||height="820" width="621"]]
396 396  
397 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image054.jpg]]
398 398  
399 - User can find the TTN v3 server address from:
387 + User can find the TTN v3 server address from:
400 400  
401 - [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]]
389 + [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]]
402 402  
403 403  
404 - And the default frequency band is US915 in **global_conf.json** file.
392 + And the default frequency band is US915 in **global_conf.json** file.
405 405  
406 406  (% style="text-align:center" %)
407 407  [[image:1651745838008-820.png||height="650" width="621"]]
408 408  
409 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image056.jpg]]
410 410  
411 411  * 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.**
412 412  
... ... @@ -423,53 +423,50 @@
423 423  (% style="text-align:center" %)
424 424  [[image:1651745984006-868.png]]
425 425  
426 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image060.jpg]]
427 427  
428 428  * If user wants to change to other LoRaWAN server, modify the **global_conf.json** file.
429 429  
430 -5.2.3 Check result
416 +(% class="wikigeneratedid" %)
417 +(((
418 +
419 +)))
431 431  
432 - Run below command to restart the dragino_fwd:
421 +===== 5.2.3 Check result =====
433 433  
434 - sudo systemctl stop draginofwd
423 + Run below command to restart the dragino_fwd:
435 435  
436 - sudo systemctl start draginofwd
425 + sudo systemctl stop draginofwd
437 437  
438 - debug check the ruing status of fwd:
427 + sudo systemctl start draginofwd
439 439  
440 - sudo systemctl status draginofwd
429 + debug check the ruing status of fwd:
441 441  
431 + sudo systemctl status draginofwd
432 +
442 442  (% style="text-align:center" %)
443 443  [[image:1651746045057-414.png]]
444 444  
445 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image062.jpg]]
446 446  
447 - The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok:
437 + The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok:
448 448  
449 449  (% style="text-align:center" %)
450 450  [[image:1651746078253-168.png||height="372" width="621"]]
451 451  
452 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image064.jpg]]
453 453  
443 + We can check dragino_fwd running states in RPi by running:
454 454  
455 - We can check dragino_fwd running states in RPi by running:
445 + //**sudo journalctl -u draginofwd -f**//
456 456  
457 - sudo journalctl -u draginofwd -f
458 -
459 459  (% style="text-align:center" %)
460 460  [[image:1651746111963-838.png]]
461 461  
462 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image066.gif]]
450 + If there are LoRaWAN nodes transmits nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data
463 463  
464 -
465 - If there are LoRaWAN nodes transmits nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data
466 -
467 467  (% style="text-align:center" %)
468 468  [[image:1651746139304-966.png||height="326" width="621"]]
469 469  
470 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image068.jpg]]
471 471  
472 -5.2.4 Commands to handle service
456 +===== 5.2.4 Commands to handle service =====
473 473  
474 474  * **Stop** dragino_fwd service:  sudo systemctl stop draginofwd
475 475  * **Disable** dragino_fwd auto run after boot: sudo systemctl disable draginofwd
... ... @@ -477,24 +477,24 @@
477 477  * **Auto run** dragino_fwd after boot:  sudo systemctl enable draginofwd
478 478  * **Show status** of dragino_fwd:  sudo systemctl status draginofwd
479 479  
480 -6. Order Info
464 +=== 6. Order Info ===
481 481  
482 - Part Number: **PG1302-XX**  Or Part Number: **PG1302-PI-XX   **(Include RPi converter board for RPI 3/4)
466 + Part Number: **PG1302-XX**  Or  Part Number: **PG1302-PI-XX   **(Include RPi converter board for RPI 3/4)
483 483  
484 -**~ XX:**
468 +**~ XX:**
485 485  
486 486  * 868 (For Bands: EU868,IN865)
487 487  * 915 (For Bands: US915,AU915,AS923,KR920)
488 488  * 470 (For Band: CN470)
489 489  
490 -7. Packing Info
474 +=== 7. Packing Info ===
491 491  
492 -**~ PG1302 Package Includes**:
476 +**~ PG1302 Package Includes**:
493 493  
494 494  * PG1302 x 1
495 495  * LoRa Antenna x 1
496 496  
497 -**~ PG1302-PI Package Includes**:
481 +**~ PG1302-PI Package Includes**:
498 498  
499 499  * PG1302 x 1
500 500  * LoRa Antenna x 1
... ... @@ -501,7 +501,7 @@
501 501  * RPi3/4 converter PCB
502 502  * Screws to hole converter PCB on RPI.
503 503  
504 -8. Reference
488 +=== 8. Reference ===
505 505  
506 506  * Datasheet, User Manual & Software Download:
507 507  
... ... @@ -508,11 +508,9 @@
508 508   [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>url:https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]]
509 509  
510 510  
511 -9. Support
495 +=== 9. Support ===
512 512  
513 513  * 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.
514 514  * 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
515 515  
516 516   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
517 -
518 -

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