Version 152.1 by Kilight Cao on 2023/02/22 09:50
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1 (% style="text-align:center" %)
2 [[image:image-20220620202334-2.png||height="467" width="809"]]
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5 (((
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9 )))
10
11 **Table of Contents：**
12
13 {{toc/}}
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16
17
18
19 = 1. Introduction =
20
21 == 1.1 What is LPS8v2 ==
22
23
24 (((
25 (((
26 The LPS8v2 is an (% style="color:green" %)**open-source LoRaWAN Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
27 )))
28
29 (((
30 The LPS8v2 is fully compatible with LoRaWAN protocol. It supports different kinds of LoRaWAN Network Connections such as: (% style="color:green" %)**Semtech UDP Packet Forwarder, LoRaWAN Basic Station, ChirpStack MQTT Bridge**(%%), and so on. This makes LPS8V2 work with most LoRaWAN platforms in the market.
31 )))
32
33 (((
34 LPS8v2 also includes a (% style="color:green" %)**built-in LoRaWAN Server and IoT server**(%%), which provide the possibility for the system integrator to deploy the IoT service without cloud service or 3rd servers.
35 )))
36
37 (((
38 Different countries use different LoRaWAN frequency bands. LPS8v2 has these bands pre-configured. Users can also customize the frequency bands to use in their own LoRa network.
39 )))
40
41 (((
42 LPS8v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
43 )))
44
45
46 == 1.2 Specifications ==
47
48
49 (% style="color:#037691" %)**Hardware System:**
50
51 * CPU: Quad-core Cortex-A7 1.2Ghz
52 * RAM: 512MB
53 * eMMC: 4GB
54
55 (% style="color:#037691" %)**Interface:**
56
57 * 10M/100M RJ45 Ports x 1
58 * Multi-Channel LoRaWAN Wireless
59 * WiFi 802.11 b/g/n
60
61 (% style="color:#037691" %)**Operating Condition:**
62
63 * Work Temperature: -20 ~~ 65°C
64 * Storage Temperature: -20 ~~ 65°C
65 * Power Input: 5V, 2A, DC
66
67 == 1.3 Features ==
68
69
70 * Open Source Debian system
71 * Managed by Web GUI, SSH via WAN or WiFi
72 * Remote Management
73 * Auto-provisioning for batch deployment and management
74 * LoRaWAN Gateway
75 * 10 programmable parallel demodulation paths
76 * Pre-configured to support different LoRaWAN regional settings.
77 * Allow customizing LoRaWAN regional parameters.
78 * Different kinds of LoRaWAN Connections such as
79 ** Semtech UDP Packet Forwarder
80 ** LoRaWAN Basic Station
81 ** ChirpStack-Gateway-Bridge (MQTT)
82 * Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
83 * Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
84
85 == 1.4 Block Diagram ==
86
87
88
89 == 1.5 LED Indicators ==
90
91
92 LPS8-V2 has totally four LEDs, They are:
93
94
95 (% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
96
97 (% style="color:blue" %)//**➢ ETH LED**//(%%)//:  This RGB LED will blink GREEN when the ETH port is connecting//
98
99 (% style="color:blue" %)//**➢ SYS LED**//(%%)//:  This RGB LED will show different colors in different states~://
100
101 // ✓ **SOLID GREEN:** The device is alive with a LoRaWAN server connection.//
102
103 // ✓ **BLINKING GREEN:** a) Device has internet connection but no LoRaWAN Connection. or b) Device is in booting stage, in this stage, it will BLINKING GREEN for several seconds and then with BLINKING GREEN together//
104
105 // ✓** SOLID RED:** Device doesn't have an Internet connection.//
106
107 (% style="color:blue" %)//**➢ WIFI LED**//(%%)//: This LED shows the WIFI interface connection status.//
108
109
110 == 1.6 Button Intruction ==
111
112
113 LPS8-V2 has a black toggle button, which is:
114
115
116 (% style="color:blue" %)**//➢ //Long press 4-5s  : **(%%)the gateway will reload the Network and Initialize wifi configuration
117
118 // **LED status: ** ETH LED will BLINKIND BULE Until the reload is finished.//
119
120
121 (% style="color:blue" %)//**➢ **//**Long press more than 10s:**(%%)**    **//the gateway will restore the factory settings.//
122
123 //**LED status: ** ETH LED will SOLID BULE Until the restore is finished.//
124
125
126 = 2. Quick Start =
127
128
129 The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
130
131 In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
132
133
134 == 2.1 Connects to the network and accesses the gateway Web UI ==
135
136 == 2.1.1 connect the network ==
137
138
139 === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
140
141
142 (((
143 Connect the LPS8-V2 Ethernet port to your router and LPS8-V2 can 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 LPS8-V2.
144 )))
145
146 (((
147 You can also use this IP to connect.
148 )))
149
150 [[image:image-20220622100129-1.png||height="332" width="1263"]]
151
152
153 === (% style="color:blue" %)**Method 2**(%%):  Connect via LPS8-V2 Fallback IP ===
154
155
156 [[image:image-20230107084650-2.png||height="310" width="839"]]
157
158
159 (% style="color:blue" %)**Steps to connect via fallback IP:**
160
161 ~1. Connect the PC's Ethernet port to LPS8-V2's WAN port
162
163 2. Configure PC's Ethernet port has IP: 172.31.255.253 and Netmask: 255.255.255.252
164
165 As in the below photo:
166
167 [[image:image-20230107085904-4.png||height="443" width="361"]]
168
169 3. In the PC, use IP address 172.31.255.254 to access the LPS8-V2 via Web or Console.
170
171
172 [[image:image-20230111094247-2.png||height="619" width="1250"]]
173
174
175
176 === (% style="color:blue" %)**Method 3**(%%):  Connect via WiFi with DHCP IP from the router ===
177
178
179 [[image:image-20220622100542-2.png||height="369" width="1256"]]
180
181
182 Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
183
184
185 [[image:image-20220622102702-6.png]]
186
187
188
189 **Wi-Fi configuration successful**
190
191
192 [[image:image-20220622102847-7.png]]
193
194
195 [[image:image-20220622102901-8.png||height="476" width="938"]]
196
197
198 == 2.1.2 Access Configure Web UI ==
199
200
201 **Web Interface**
202
203 Open a browser on the PC and type the LPS8-V2 ip address (depends on your connect method)
204
205
206 [[(% style="background-color:yellow" %)**//http:~~/~~/IP_ADDRESS //**>>http://IP_ADDRESS]](%%) or (% style="background-color:yellow" %)//**[[http:~~/~~/172.31.255.254>>http://172.31.255.254(]]**//(Fallback IP)
207
208 You will see the login interface of LPS8-V2 as shown below.
209
210 The account details for Web Login are:
211
212 (% style="color:#4f81bd" %)**User Name: root**
213
214 (% style="color:#4f81bd" %)**Password:   dragino**
215
216 [[image:image-20230106153501-1.png||height="367" width="894"]]
217
218
219 == 2.2 The LPS8-V2 is registered and connected to The Things Network ==
220
221 === 2.2.1 Select your area frequency ===
222
223
224 (((
225 First, you need to set the frequency plan in LPS8-V2 to match the end node we use, so to receive the LoRaWAN packets from the LoRaWAN sensor.
226
227
228 )))
229
230 [[image:image-20220622103332-9.png||height="485" width="938"]]
231
232
233 === 2.2.2 Get the only gateway EUI ===
234
235
236 Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
237
238
239 [[image:image-20220622103355-10.png||height="698" width="949"]]
240
241
242 (% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
243
244
245 **➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
246
247 **➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
248
249 **➢ Australia 1: ** corresponding Gateway server address:  **au1.cloud.thethings.network**
250
251 **➢ Legacy V2 Console:** TTN v2 shuts down in December 2021
252
253
254 [[image:image-20220622103956-12.png]]
255
256
257 == 2.2.3 Register the gateway to The Things Network ==
258
259
260 **Login to The Things Network**
261
262 [[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
263
264
265 **Add the gateway**
266
267 [[image:image-20220622104252-13.png||height="511" width="953"]]
268
269
270 **Get it online**
271
272
273 = 3. Web Configure Pages =
274
275 == 3.1 Home ==
276
277
278 //Shows the system running status~://
279
280 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102901-8.png?rev=1.1||alt="image-20220622102901-8.png" height="476" width="939"]]
281
282
283 == 3.2 LoRa Settings ==
284
285 === 3.2.1 LoRa ~-~-> LoRa ===
286
287
288 //This page shows the LoRa Radio Settings. There is a set of default frequency bands according to LoRaWAN protocol, and users can customize the band* as well.//
289
290 //Different LPS8v2 hardware versions can support different frequency ranges~://
291
292 * (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865, or KZ865.//
293 * (% style="color:#0000ff" %)//**915**//(% style="color:black" %)//: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920//
294
295 (% class="wikigeneratedid" %)
296 //After the user choose the frequency plan,  the user can see the actual frequency is used by checking the page (% style="color:#037691" %)**LogRead ~-~-> LoRa Log**//
297
298
299 (% class="wikigeneratedid" %)
300 [[image:image-20220616110739-1.png||height="372" width="682"]]
301
302
303 (((
304 (% style="color:red" %)//**Note *: See this instruction for how to customize the frequency band: **//(%%)**//__[[How to customized LoRaWAN frequency band - DRAGINO>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]__//**
305 )))
306
307
308 == 3.3 LoRaWAN Settings ==
309
310 === 3.3.1 LoRaWAN ~-~-> LoRaWAN Semtech UDP ===
311
312
313 //This page is for the connection set up to a general LoRaWAN Network server such as [[TTN>>url:http://www.thethingsnetwork.org/]], [[ChirpStack>>url:https://www.chirpstack.io/]], etc.//
314
315
316 [[image:image-20220616111932-2.png||height="516" width="672"]]
317
318
319 === 3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station ===
320
321
322 //This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
323
324
325 [[image:image-20220616113246-3.png||height="396" width="672"]]
326
327
328 (((
329 Please see this instruction to know more detail and a demo for how to use of LoRaWAN Basic Station: __[[Use of LoRaWAN Basic Station - DRAGINO>>doc:Main.Use of LoRaWAN Basic Station.WebHome]]__
330 )))
331
332
333 == 3.4 Network Settings ==
334
335 === 3.4.1 Network ~-~-> WiFi ===
336
337
338 [[image:image-20220616114756-4.png||height="251" width="669"]]
339
340
341 === 3.4.2 Network ~-~-> System Status ===
342
343
344 [[image:image-20220820134112-2.png||height="539" width="668"]]
345
346
347 === 3.4.3 Network ~-~-> Network ===
348
349
350 In the Network ~-~-> Network interface, Users can set the Ethernet WAN static ip address.
351
352 [[image:image-20230214093657-2.png||height="333" width="858"]]
353
354
355 == 3.5 System ==
356
357 === 3.5.1 System ~-~-> System Overview ===
358
359
360 Shows the system info:
361
362 [[image:image-20220917144512-5.png||height="618" width="853"]]
363
364
365 === 3.5.2 System ~-~-> System General ===
366
367
368 In the System-> System General interface, Users can customize the configuration System Password and set Timezone.
369
370 In addition, Users can customize the FallBack IP address.
371
372 [[image:image-20230214094058-3.png]]
373
374
375 === 3.5.3 System ~-~-> Backup/Restore ===
376
377
378 [[image:image-20220917144725-6.png||height="208" width="869"]]
379
380
381 === 3.5.4 System ~-~-> Remoteit ===
382
383
384 In the System-> Remoteit interface, users can configure the gateway to be accessed remotely via Remote.it.
385
386
387 the users can refer to this link to configure them: **[[Monitor & Remote Access Gateway>>http://wiki.dragino.com/xwiki/bin/view/Main/Monitor%20%26%20Remote%20Access%20Gateway/?Remote%20Access#H2.1A0RemoteAccessviaRemote.it.]]**
388
389 [[image:image-20221230092303-2.png]]
390
391
392 === 3.5.5 System ~-~-> Package Management ===
393
394
395 In the System ~-~-> Package Management interface, Users can check the current version of Core Packages.
396
397 [[image:image-20230214094316-4.png]]
398
399
400 = 4. Build-in Server =
401
402
403 The default factory version of LPS8-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red, and**(%%) LoRaWAN Server: (% style="color:blue" %)**The Things Network - Stack (Open Source 3.19 Version).**
404
405
406 [[image:image-20230214095318-5.png||height="347" width="980"]]
407
408
409 (% style="color:red" %)**Note:**
410
411 **Path**: System ~-~-> Built-in Server
412
413
414 **Troubleshooting:**
415
416
417 **~ 1. URL does not jump properly**
418
419 For the ttn-stack, you can click the update the URL which will update the configuration where change the hostname to the current local IP address as the URL.
420
421 For the Node-Red, you can use the local IP address and the port is 1880 to access it.
422
423
424 == 4.1 LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3) ==
425
426
427 You can access the gateway's built-in LNS server of (% style="color:blue" %)**The Things Network - Stack **(%%)via the URL( (% style="background-color:yellow" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
428
429 Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
430
431
432 Login account:
433
434 **User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
435
436 **Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
437
438
439 [[image:image-20220725171719-1.png||height="570" width="769"]]
440
441
442 == 4.2 Application Server ~-~- Node-Red ==
443
444
445 You can access the gateway's built-in AS server of (% style="color:blue" %)**Node-Red **(%%)via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:1880 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
446
447
448 Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
449
450
451 [[image:image-20220725172124-3.png||height="610" width="843"]]
452
453
454
455 === **Using Node-Red, InfluxDB and Grafana** ===
456
457 The LPS8-V2 supports this combination, the default, Node-red is pre-installed but the InfluxDB and Grafana is not pre-installed.
458
459
460 the users can refer to this link to install them.
461
462 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Armbian%20OS%20instruction/#H2.6HowtoinstallGrafanaandinfluxdb>>http://wiki.dragino.com/xwiki/bin/view/Main/Armbian%20OS%20instruction/#H2.6HowtoinstallGrafanaandinfluxdb]]
463
464
465 == 4.3 How to disable the built-in server ==
466
467
468 Use the following commands to start and stop the TTNv3 service:
469
470 (% class="box infomessage" %)
471 (((
472 **# start**
473 systemctl start ttnstack
474
475 **# stop**
476 systemctl stop ttnstack
477
478 **# enable**
479 systemctl enable ttnstack
480
481 **#disable**
482 systemctl disable ttnstack
483 )))
484
485 Use the following commands to start and stop the Node-Red service:
486
487 (% class="box infomessage" %)
488 (((
489 **# start**
490 systemctl start nodered
491
492 **# stop**
493 systemctl stop nodered
494
495 **# enable**
496 systemctl enable nodered
497
498 **#disable**
499 systemctl disable nodered
500 )))
501
502
503 == 4.4 How to use ChirpStack on LPS8-V2 ==
504
505
506 By default, the built-in LoRaWAN network server used on LPS8v2 is TTNv3, so users need to disable TTNv3 services and follow this link to install chirpstack:
507
508 [[ChirpStack open-source LoRaWAN® Network Server documentation>>https://www.chirpstack.io/docs/getting-started/docker.html]]
509
510 [[image:image-20230222094908-1.png||height="133" width="798"]]
511
512
513
514 = 5. How users can access LPS8-V2 using serial USB =
515
516
517 (% style="color:blue" %)**USB TTL to LPS8-V2  Connection:**
518
519
520 Port 1 of the UART on the LPS8-V2 is GND
521
522 (% class="box infomessage" %)
523 (((
524 **TXD  <~-~--> UART RXD (Gray line)**
525
526 **RXD  <~-~--> UART TXD (White line)**
527
528 **GND <~-~--> GND (Black line)**
529 )))
530
531
532 **LPS8v2 UART connection photo**
533
534 [[image:image-20220804163015-1.png||height="621" width="466"]]
535
536
537 In the PC,you can use the serial port tool(such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]] in Windows), you need to set the serial baud rate to (% style="color:blue" %)**115200**(%%) to access the serial console for LPS8v2. LPS8v2 will output system info once power on as below:
538
539
540 [[image:image-20220804164928-3.png||height="320" width="332"]]
541
542
543 [[image:image-20220804164747-2.png||height="622" width="594"]]
544
545
546 = 6. Use the helium gateway-rs as the Data-only Hotspot =
547
548
549 == **Step 1: Configure Frequency Band** ==
550
551
552 //Each country has a requirement for frequency region. Choose the right one for your area.//
553
554 [[image:image-20220905164308-1.png]]
555
556
557
558 == **Step 2: Configure the forward address** ==
559
560
561 **Select one of the servers to configure.**
562
563 **For example:**
564
565 [[image:image-20220905164847-2.png]]
566
567
568
569 == **Step 3: Download and Install the Helium-gateway-rs** ==
570
571
572 **Access the gateway CLI via SSH.**
573
574 [[image:image-20220905165222-3.png]]
575
576
577 **Download gateway-rs.**
578
579 [[image:image-20220905165715-5.png]]
580
581 (% class="box infomessage" %)
582 (((
583 **Command: wget [[http:~~/~~/repo.dragino.com/release/tool/gateway-rs/helium-gateway-v1.0.0-alpha.31-raspi234.deb>>http://repo.dragino.com/release/tool/gateway-rs/helium-gateway-v1.0.0-alpha.31-raspi234.deb]]**
584 )))
585
586
587 **Install gateway-rs.**
588
589 [[image:image-20220905165917-7.png]]
590
591 (% class="box infomessage" %)
592 (((
593 **Command: dpkg -i helium-gateway-v1.0.0-alpha.31-raspi234.deb **
594 )))
595
596
597 **Modify configuration.**
598
599
600 [[image:image-20220905173847-12.png]]
601
602
603 (% class="box infomessage" %)
604 (((
605 **region=<Enter regional parameters> \
606 && sed -i '/region/d' /etc/helium_gateway/settings.toml && sed -i "1 i\region = \"$region\"" /etc/helium_gateway/settings.toml \
607 && sed -i '/region/d' /etc/helium_gateway/default.toml && sed -i "22 i\region = \"$region\"" /etc/helium_gateway/default.toml**
608 )))
609
610
611 **Restart the helium_gateway**
612
613 [[image:image-20220905170920-9.png]]
614
615
616 (% class="box infomessage" %)
617 (((
618 **systemctl restart helium_gateway**
619 )))
620
621
622 **Check the helium_gateway Log：**
623
624 [[image:image-20220905173952-13.png]]
625
626
627 (% class="box infomessage" %)
628 (((
629 **journalctl -u helium_gateway -f**
630 )))
631
632
633 (% style="color:red" %)**Note: if your device is not finished the onboarding, which is unable to connect to the Helium console.**
634
635 where the helium gateway log is shown:
636
637 [[image:image-20220905174534-14.png]]
638
639
640 So you have to finish the onboarding, ~-~--Please refer to [[Step 2.7>>doc:Main.Notes for Helium.WebHome||anchor="H2.7A0Step6:OnboardingData-OnlyHotspot"]] to onboarding your LPS8-V2.
641
642
643 = 7. OTA System Update =
644
645
646 LPS8v2 supports system auto update via OTA, please see **[[this URL>>url:http://wiki.dragino.com/xwiki/bin/view/OTA%20Update/]]** for the detail of this feature.
647
648
649 = 8. Trouble Shooting =
650
651 == 8.1  I can't log in to the built-in Server TTN Stack which shows '**Login failed**'. ==
652
653
654 [[image:image-20220920135918-1.png]]
655
656
657 This is caused by the inconsistency between the built-in TTN-Stack domain configuration and your login URL.
658
659 By default, ttn-stack uses the gateway's domain name for URL resolution, but in some networks, they prefer to resolve IP-v4 addresses.
660
661
662 So you can change the domain name of the TTN-Stack configuration to the IPv4 address.
663
664 **Click the update URL button to configure the URL with the current eth port address.**
665
666 [[image:image-20220920141936-2.png]]
667
668
669 = (% style="color:inherit; font-family:inherit; font-size:29px" %)9. Supports(%%) =
670
671
672 (((
673 **//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
674 )))
675
676 (((
677 **//With your question as detailed as possible. We will reply and help you in the shortest.//**
678
679
680 = 10. Reference =
681
682
683 * Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
684 * [[Advance OS Reference Guide for LPS8v2>>doc:Main.Armbian OS instruction.WebHome]].
685
686
687 )))
688
689 = 11. Order Info =
690
691
692 (% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
693
694 (% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
695
696 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
697 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
698 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
699 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
700 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
701 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
702
703 (% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
704
705 * (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
706 * (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
707 * (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
708 * (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
709
710 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
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712
713 = 12. Manufacturer Info =
714
715
716 **Shenzhen Dragino Technology Development co. LTD**
717
718 Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
719
720 LongCheng Street, LongGang District ; Shenzhen 518116,China
721
722
723 = 13. FCC Warning =
724
725
726 (((
727 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
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730 (((
731 ~-~- Reorient or relocate the receiving antenna.
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733
734 (((
735 ~-~- Increase the separation between the equipment and receiver.
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737
738 (((
739 ~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
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741
742 (((
743 ~-~- Consult the dealer or an experienced radio/TV technician for help.
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746
747 (((
748 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
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752 (((
753 The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
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