<
From version < 57.1 >
edited by Xiaoling
on 2022/05/06 10:12
To version < 82.1 >
edited by Xiaoling
on 2022/05/06 15:35
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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"/}}
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
32 +(((
33 +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.
34 +)))
30 30  
31 - 1.1 What is PG1302 LoRaWAN Concentrator?
32 -
33 -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.
34 -
35 -
36 +(((
36 36  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.
38 +)))
37 37  
38 -
40 +(((
39 39  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.
42 +)))
40 40  
41 41  (((
42 42  (((
... ... @@ -44,7 +44,7 @@
44 44  )))
45 45  )))
46 46  
47 -1.2 Features
50 +==== 1.2 Features ====
48 48  
49 49  * Base on Semtech SX1302 solution
50 50  * Support Raspberry Pi 3B/3B+/4
... ... @@ -53,20 +53,20 @@
53 53  * Mini-PCIe Interface
54 54  * Converter board to support Raspberry Pi
55 55  
56 -1.3 General Interfaces
59 +==== 1.3 General Interfaces ====
57 57  
58 58  * SPI interface for LoRa
59 59  * Power Input: 5v, 1A
60 60  * 1 x I-PEX for LoRa
61 61  
62 -1.4 Pin Mapping
65 +==== 1.4 Pin Mapping ====
63 63  
64 64   [[image:1651743282627-547.png||height="402" width="425"]]
65 65  
66 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif]]
67 67  
68 -1.5 LEDs
69 69  
71 +==== 1.5 LEDs ====
72 +
70 70   TX: Blink when transmit a packet
71 71  
72 72   RX: Blink when receive a packet
... ... @@ -73,12 +73,14 @@
73 73  
74 74   Config: Always ON
75 75  
76 -1.6 Power Consumption
77 77  
80 +==== 1.6 Power Consumption ====
81 +
78 78   TBD
79 79  
80 -1.7 Applications
81 81  
85 +==== 1.7 Applications ====
86 +
82 82  * Smart Buildings & Home Automation
83 83  * Logistics and Supply Chain Management
84 84  * Smart Metering
... ... @@ -86,19 +86,20 @@
86 86  * Smart Cities
87 87  * Smart Factory
88 88  
89 -2. Example: Set up as LoRaWAN gateway.
94 +=== 2. Example: Set up as LoRaWAN gateway. ===
90 90  
91 - 2.1 System structure
96 +==== 2.1 System structure ====
92 92  
93 - 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.
94 94  
100 + Set up method for other server are similar.
101 +
95 95  (% style="text-align:center" %)
96 96  [[image:1651743698677-436.png||height="457" width="686"]]
97 97  
98 98  
99 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.gif]]
100 100  
101 -2.2 Hardware Installation
107 +==== 2.2 Hardware Installation ====
102 102  
103 103  **~ Important Notice: **Please power the RPI with 5V,3A cable.
104 104  
... ... @@ -105,44 +105,54 @@
105 105  (% style="text-align:center" %)
106 106  [[image:1651743803032-803.png]]
107 107  
108 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.gif]]
109 109  
110 -3. Install the software?
111 111  
116 +=== 3. Install the software? ===
117 +
112 112   There are two ways to install software in RPi4 to use PG1302.
113 113  
114 114  * Flash SD card with Dragino pre-build image which support Web UI.
115 115  * Install lora packet forwarder in existing RPi OS.
116 116  
117 -4. Flash with pre-build image
123 +=== 4. Flash with pre-build image ===
118 118  
119 - 4.1 Download the dragino image for RPI
125 +==== 4.1 Download the dragino image for RPI ====
120 120  
121 121   Download PG1302_for_Rpi4_64_with_webui from
122 122  
123 123   [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]]
124 124  
125 -4.2 Flash the image to SD card
126 126  
127 - Flash the image to SD card:
132 +==== 4.2 Flash the image to SD card ====
128 128  
134 + Flash the image to SD card:
135 +
129 129  (% style="text-align:center" %)
130 130  [[image:1651744119133-233.png||height="373" width="621"]]
131 131  
132 - [[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
133 133  
134 134   [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]]
135 135  
136 -4.3 Access the Linux console.
137 137  
138 - 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 ====
139 139  
140 - 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 +)))
141 141  
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 +
142 142  (% style="text-align:center" %)
143 143  [[image:1651744193675-591.png||height="450" width="466"]]
144 144  
145 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.jpg]]
146 146  
147 147   The account details for Web Login are:
148 148  
... ... @@ -161,18 +161,18 @@
161 161  (% style="text-align:center" %)
162 162  [[image:1651744358515-107.png||height="366" width="581"]]
163 163  
164 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.jpg]] 4.4 Access the WebUI of RPi4.
165 165  
166 - 4.4.1 Home page
181 +==== 4.4 Access the WebUI of RPi4. ====
167 167  
168 - Open a browser on the PC and type the RPI ip address
183 +===== 4.4.1 Home page =====
169 169  
170 - [[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
171 171  
187 + [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router)
172 172  
173 - You will see the login interface of RPI as shown below.
189 + You will see the login interface of RPI as shown below.
174 174  
175 - The account details for Web Login are:
191 + The account details for Web Login are:
176 176  
177 177  **~ User Name: root**
178 178  
... ... @@ -181,9 +181,8 @@
181 181  (% style="text-align:center" %)
182 182  [[image:1651744457761-993.png||height="352" width="621"]]
183 183  
184 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.jpg]]
185 185  
186 -4.4.2 LoRa Page
201 +===== 4.4.2 LoRa Page =====
187 187  
188 188   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.
189 189  
... ... @@ -190,7 +190,6 @@
190 190  (% style="text-align:center" %)
191 191  [[image:1651744554845-970.png||height="328" width="621"]]
192 192  
193 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.jpg]]
194 194  
195 195   Different PG1302 hardware version can support different frequency range:
196 196  
... ... @@ -208,71 +208,61 @@
208 208   [[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]]
209 209  
210 210  
211 -4.4.3 LoRaWAN Page
225 +===== 4.4.3 LoRaWAN Page =====
212 212  
213 - 4.4.3.1 Semtech UDP
227 +====== 4.4.3.1 Semtech UDP ======
214 214  
215 215  
216 216  (% style="text-align:center" %)
217 217  [[image:1651744767914-283.png||height="352" width="621"]]
218 218  
233 + Note *: See this instruction for how to configure TTN.
219 219  
220 -[[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);"]]
221 221  
222 - Note *: See this instruction for how to configure TTN.
223 223  
224 - [[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 ======
225 225  
226 -
227 -4.4.3.2 Basic Station
228 -
229 229  (% style="text-align:center" %)
230 230  [[image:1651744890629-683.png||height="380" width="621"]]
231 231  
232 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.jpg]]
243 + Note *: See this instruction for how to configure TTN.
233 233  
234 - 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]]
235 235  
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]]
237 237  
248 +===== 4.4.4 LogRead =====
238 238  
239 -4.4.4 LogRead
250 +====== 4.4.4.1 LoRa Log ======
240 240  
241 - 4.4.4.1 LoRa Log
242 -
243 243  (% style="text-align:center" %)
244 244  [[image:1651744955955-452.png||height="571" width="621"]]
245 245  
246 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.jpg]]
255 + Show the frequency for LoRa Radio and traffics.
247 247  
248 - Show the frequency for LoRa Radio and traffics.
249 249  
258 +====== 4.4.4.2 System Log ======
250 250  
251 -4.4.4.2 System Log
260 + Show system log.
252 252  
253 - Show system log.
254 -
255 255  (% style="text-align:center" %)
256 256  [[image:1651745003470-264.png||height="477" width="621"]]
257 257  
258 258  
259 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.jpg]]
260 260  
261 -4.4.4.3 Record Log
267 +====== 4.4.4.3 Record Log ======
262 262  
269 +**~ Record the system log.**
263 263  
264 -**Record the system log.**
265 -
266 266  (% style="text-align:center" %)
267 267  [[image:1651745069814-662.png||height="144" width="621"]]
268 268  
269 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.jpg]]
270 270  
271 -5. Install stand alone LoRa Packet Forwarder.
275 +=== 5. Install stand alone LoRa Packet Forwarder. ===
272 272  
273 - 5.1 OS requirement
277 +==== 5.1 OS requirement ====
274 274  
275 - 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.
276 276  
277 277   pi@raspberrypi:~~$ cat /etc/os-release
278 278  
... ... @@ -295,39 +295,36 @@
295 295   BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs"
296 296  
297 297  
298 -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. ====
299 299  
300 - In RPI, run below command to get a Gateway ID
304 + In RPI, run below command to get a Gateway ID
301 301  
302 - ifconfig eth0
306 + (% class="mark" %)ifconfig eth0
303 303  
304 304  (% style="text-align:center" %)
305 305  [[image:1651745210205-512.png||height="130" width="621"]]
306 306  
307 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.gif]]
308 308  
309 - 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.
310 310  
314 + Make sure to select legacy packet forwarder.
315 +
311 311  (% style="text-align:center" %)
312 312  [[image:1651745267862-321.png||height="526" width="621"]]
313 313  
314 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.jpg]]
315 315  
316 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.jpg]]
317 317  
318 318  (% style="text-align:center" %)
319 319  [[image:1651745306744-481.png||height="478" width="621"]]
320 320  
324 +After set up, the status should show not connected as below:
325 +
321 321  (% style="text-align:center" %)
322 322  [[image:1651745366987-458.png||height="363" width="621"]]
323 323  
324 -After set up, the status should show not connected as below:
325 325  
326 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.jpg]]
330 +===== 5.2.1 Download and install LoRaWAN packet forwarder =====
327 327  
328 -5.2.1 Download and install LoRaWAN packet forwarder
329 -
330 -
331 331   Enable SPI and I2C first:
332 332  
333 333   a)SPI needs to be enabled on the Raspberry Pi
... ... @@ -344,20 +344,14 @@
344 344  (% style="text-align:center" %)
345 345  [[image:image-20220505181135-2.png]]
346 346  
347 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image044.jpg]]
348 348  
349 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image046.jpg]]
350 350  
351 351  
352 -
353 -
354 -
355 355   In RPI , Fist: Enter root account:
356 356  
357 357  (% style="text-align:center" %)
358 358  [[image:1651745583363-614.png]]
359 359  
360 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image048.jpg]]
361 361  
362 362   and then run:
363 363  
... ... @@ -370,7 +370,6 @@
370 370  (% style="text-align:center" %)
371 371  [[image:1651745611629-818.png]]
372 372  
373 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image050.gif]]
374 374  
375 375   This will download the packet forwarder package from Dragino Server to RPI, and start install the package.
376 376  
... ... @@ -379,9 +379,8 @@
379 379  (% style="text-align:center" %)
380 380  [[image:1651745657252-173.png||height="426" width="621"]]
381 381  
382 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image052.jpg]]
383 383  
384 -5.5.2 Config Gateway ID, Frequency Band and Server address
377 +===== 5.2.2 Config Gateway ID, Frequency Band and Server address =====
385 385  
386 386   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**
387 387  
... ... @@ -390,7 +390,6 @@
390 390  (% style="text-align:center" %)
391 391  [[image:1651745709709-887.png||height="820" width="621"]]
392 392  
393 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image054.jpg]]
394 394  
395 395   User can find the TTN v3 server address from:
396 396  
... ... @@ -402,7 +402,6 @@
402 402  (% style="text-align:center" %)
403 403  [[image:1651745838008-820.png||height="650" width="621"]]
404 404  
405 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image056.jpg]]
406 406  
407 407  * 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.**
408 408  
... ... @@ -419,17 +419,21 @@
419 419  (% style="text-align:center" %)
420 420  [[image:1651745984006-868.png]]
421 421  
422 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image060.jpg]]
423 423  
424 424  * If user wants to change to other LoRaWAN server, modify the **global_conf.json** file.
425 425  
426 -5.2.3 Check result
416 +(% class="wikigeneratedid" %)
417 +(((
418 +
419 +)))
427 427  
421 +===== 5.2.3 Check result =====
422 +
428 428   Run below command to restart the dragino_fwd:
429 429  
430 - sudo systemctl stop draginofwd
425 + sudo systemctl stop draginofwd
431 431  
432 - sudo systemctl start draginofwd
427 + sudo systemctl start draginofwd
433 433  
434 434   debug check the ruing status of fwd:
435 435  
... ... @@ -438,7 +438,6 @@
438 438  (% style="text-align:center" %)
439 439  [[image:1651746045057-414.png]]
440 440  
441 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image062.jpg]]
442 442  
443 443   The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok:
444 444  
... ... @@ -445,17 +445,15 @@
445 445  (% style="text-align:center" %)
446 446  [[image:1651746078253-168.png||height="372" width="621"]]
447 447  
448 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image064.jpg]]
449 449  
450 450  
451 451   We can check dragino_fwd running states in RPi by running:
452 452  
453 - sudo journalctl -u draginofwd -f
446 + //**sudo journalctl -u draginofwd -f**//
454 454  
455 455  (% style="text-align:center" %)
456 456  [[image:1651746111963-838.png]]
457 457  
458 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image066.gif]]
459 459  
460 460  
461 461   If there are LoRaWAN nodes transmits nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data
... ... @@ -463,10 +463,10 @@
463 463  (% style="text-align:center" %)
464 464  [[image:1651746139304-966.png||height="326" width="621"]]
465 465  
466 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image068.jpg]]
467 467  
468 -5.2.4 Commands to handle service
469 469  
460 +===== 5.2.4 Commands to handle service =====
461 +
470 470  * **Stop** dragino_fwd service:  sudo systemctl stop draginofwd
471 471  * **Disable** dragino_fwd auto run after boot: sudo systemctl disable draginofwd
472 472  * **Start** dragino_fwd : sudo systemctl start draginofwd
... ... @@ -473,24 +473,24 @@
473 473  * **Auto run** dragino_fwd after boot:  sudo systemctl enable draginofwd
474 474  * **Show status** of dragino_fwd:  sudo systemctl status draginofwd
475 475  
476 -6. Order Info
468 +=== 6. Order Info ===
477 477  
478 - Part Number: **PG1302-XX**  Or Part Number: **PG1302-PI-XX   **(Include RPi converter board for RPI 3/4)
470 + Part Number: **PG1302-XX**  Or Part Number: **PG1302-PI-XX   **(Include RPi converter board for RPI 3/4)
479 479  
480 -**~ XX:**
472 +**~ XX:**
481 481  
482 482  * 868 (For Bands: EU868,IN865)
483 483  * 915 (For Bands: US915,AU915,AS923,KR920)
484 484  * 470 (For Band: CN470)
485 485  
486 -7. Packing Info
478 +=== 7. Packing Info ===
487 487  
488 -**~ PG1302 Package Includes**:
480 +**~ PG1302 Package Includes**:
489 489  
490 490  * PG1302 x 1
491 491  * LoRa Antenna x 1
492 492  
493 -**~ PG1302-PI Package Includes**:
485 +**~ PG1302-PI Package Includes**:
494 494  
495 495  * PG1302 x 1
496 496  * LoRa Antenna x 1
... ... @@ -497,7 +497,7 @@
497 497  * RPi3/4 converter PCB
498 498  * Screws to hole converter PCB on RPI.
499 499  
500 -8. Reference
492 +=== 8. Reference ===
501 501  
502 502  * Datasheet, User Manual & Software Download:
503 503  
... ... @@ -504,12 +504,9 @@
504 504   [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>url:https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]]
505 505  
506 506  
507 -9. Support
499 +=== 9. Support ===
508 508  
509 509  * 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.
510 510  * 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
511 511  
512 512   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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514 -
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