Version 154.1 by Kilight Cao on 2023/02/28 11:55
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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
68
69 == 1.3 Features ==
70
71
72 * Open Source Debian system
73 * Managed by Web GUI, SSH via WAN or WiFi
74 * Remote Management
75 * Auto-provisioning for batch deployment and management
76 * LoRaWAN Gateway
77 * 10 programmable parallel demodulation paths
78 * Pre-configured to support different LoRaWAN regional settings.
79 * Allow customizing LoRaWAN regional parameters.
80 * Different kinds of LoRaWAN Connections such as
81 ** Semtech UDP Packet Forwarder
82 ** LoRaWAN Basic Station
83 ** ChirpStack-Gateway-Bridge (MQTT)
84 * Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
85 * Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
86
87
88
89 == 1.4 Block Diagram ==
90
91
92
93 == 1.5 LED Indicators ==
94
95
96 LPS8-V2 has totally four LEDs, They are:
97
98
99 (% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
100
101 (% style="color:blue" %)//**➢ ETH LED**//(%%)//:  This RGB LED will blink GREEN when the ETH port is connecting//
102
103 (% style="color:blue" %)//**➢ SYS LED**//(%%)//:  This RGB LED will show different colors in different states~://
104
105 // ✓ **SOLID GREEN:** The device is alive with a LoRaWAN server connection.//
106
107 // ✓ **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//
108
109 // ✓** SOLID RED:** Device doesn't have an Internet connection.//
110
111 (% style="color:blue" %)//**➢ WIFI LED**//(%%)//: This LED shows the WIFI interface connection status.//
112
113
114 == 1.6 Button Intruction ==
115
116
117 LPS8-V2 has a black toggle button, which is:
118
119
120 (% style="color:blue" %)**//➢ //Long press 4-5s  : **(%%)the gateway will reload the Network and Initialize wifi configuration
121
122 // **LED status: ** ETH LED will BLINKIND BULE Until the reload is finished.//
123
124
125 (% style="color:blue" %)//**➢ **//**Long press more than 10s:**(%%)**    **//the gateway will restore the factory settings.//
126
127 //**LED status: ** ETH LED will SOLID BULE Until the restore is finished.//
128
129
130 = 2. Quick Start =
131
132
133 The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
134
135 In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
136
137
138 == 2.1 Connects to the network and accesses the gateway Web UI ==
139
140 == 2.1.1 connect the network ==
141
142
143 === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
144
145
146 (((
147 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.
148 )))
149
150 (((
151 You can also use this IP to connect.
152 )))
153
154 [[image:image-20220622100129-1.png||height="332" width="1263"]]
155
156
157 === (% style="color:blue" %)**Method 2**(%%):  Connect via LPS8-V2 Fallback IP ===
158
159
160 [[image:image-20230107084650-2.png||height="310" width="839"]]
161
162
163 (% style="color:blue" %)**Steps to connect via fallback IP:**
164
165 ~1. Connect the PC's Ethernet port to LPS8-V2's WAN port
166
167 2. Configure PC's Ethernet port has IP: 172.31.255.253 and Netmask: 255.255.255.252
168
169 As in the below photo:
170
171 [[image:image-20230107085904-4.png||height="443" width="361"]]
172
173 3. In the PC, use IP address 172.31.255.254 to access the LPS8-V2 via Web or Console.
174
175
176 [[image:image-20230111094247-2.png||height="619" width="1250"]]
177
178
179
180 === (% style="color:blue" %)**Method 3**(%%):  Connect via WiFi with DHCP IP from the router ===
181
182
183 [[image:image-20220622100542-2.png||height="369" width="1256"]]
184
185
186 Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
187
188
189 [[image:image-20220622102702-6.png]]
190
191
192
193 **Wi-Fi configuration successful**
194
195
196 [[image:image-20220622102847-7.png]]
197
198
199 [[image:image-20220622102901-8.png||height="476" width="938"]]
200
201
202 == 2.1.2 Access Configure Web UI ==
203
204
205 **Web Interface**
206
207 Open a browser on the PC and type the LPS8-V2 ip address (depends on your connect method)
208
209
210 [[(% 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)
211
212 You will see the login interface of LPS8-V2 as shown below.
213
214 The account details for Web Login are:
215
216 (% style="color:#4f81bd" %)**User Name: root**
217
218 (% style="color:#4f81bd" %)**Password:   dragino**
219
220 [[image:image-20230106153501-1.png||height="367" width="894"]]
221
222
223 == 2.2 The LPS8-V2 is registered and connected to The Things Network ==
224
225 === 2.2.1 Select your area frequency ===
226
227
228 (((
229 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.
230
231
232 )))
233
234 [[image:image-20220622103332-9.png||height="485" width="938"]]
235
236
237 === 2.2.2 Get the only gateway EUI ===
238
239
240 Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
241
242
243 [[image:image-20220622103355-10.png||height="698" width="949"]]
244
245
246 (% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
247
248
249 **➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
250
251 **➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
252
253 **➢ Australia 1: ** corresponding Gateway server address:  **au1.cloud.thethings.network**
254
255 **➢ Legacy V2 Console:** TTN v2 shuts down in December 2021
256
257
258 [[image:image-20220622103956-12.png]]
259
260
261 == 2.2.3 Register the gateway to The Things Network ==
262
263
264 **Login to The Things Network**
265
266 [[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
267
268
269 **Add the gateway**
270
271 [[image:image-20220622104252-13.png||height="511" width="953"]]
272
273
274 **Get it online**
275
276
277 = 3. Web Configure Pages =
278
279 == 3.1 Home ==
280
281
282 //Shows the system running status~://
283
284 [[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"]]
285
286
287 == 3.2 LoRa Settings ==
288
289 === 3.2.1 LoRa ~-~-> LoRa ===
290
291
292 //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.//
293
294 //Different LPS8v2 hardware versions can support different frequency ranges~://
295
296 * (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865, or KZ865.//
297 * (% style="color:#0000ff" %)//**915**//(% style="color:black" %)//: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920//
298
299 (% class="wikigeneratedid" %)
300 //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**//
301
302
303 (% class="wikigeneratedid" %)
304 [[image:image-20220616110739-1.png||height="372" width="682"]]
305
306
307 (((
308 (% 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]]__//**
309 )))
310
311
312 == 3.3 LoRaWAN Settings ==
313
314 === 3.3.1 LoRaWAN ~-~-> LoRaWAN Semtech UDP ===
315
316
317 //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.//
318
319
320 [[image:image-20220616111932-2.png||height="516" width="672"]]
321
322
323 === 3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station ===
324
325
326 //This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
327
328
329 [[image:image-20220616113246-3.png||height="396" width="672"]]
330
331
332 (((
333 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]]__
334 )))
335
336
337 == 3.4 Network Settings ==
338
339 === 3.4.1 Network ~-~-> WiFi ===
340
341
342 [[image:image-20220616114756-4.png||height="251" width="669"]]
343
344
345 === 3.4.2 Network ~-~-> System Status ===
346
347
348 [[image:image-20220820134112-2.png||height="539" width="668"]]
349
350
351 === 3.4.3 Network ~-~-> Network ===
352
353
354 In the Network ~-~-> Network interface, Users can set the Ethernet WAN static ip address.
355
356 [[image:image-20230214093657-2.png||height="333" width="858"]]
357
358
359 == 3.5 System ==
360
361 === 3.5.1 System ~-~-> System Overview ===
362
363
364 Shows the system info:
365
366 [[image:image-20220917144512-5.png||height="618" width="853"]]
367
368
369 === 3.5.2 System ~-~-> System General ===
370
371
372 In the System-> System General interface, Users can customize the configuration System Password and set Timezone.
373
374 In addition, Users can customize the FallBack IP address.
375
376 [[image:image-20230214094058-3.png]]
377
378
379 === 3.5.3 System ~-~-> Backup/Restore ===
380
381
382 [[image:image-20220917144725-6.png||height="208" width="869"]]
383
384
385 === 3.5.4 System ~-~-> Remoteit ===
386
387
388 In the System-> Remoteit interface, users can configure the gateway to be accessed remotely via Remote.it.
389
390
391 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.]]**
392
393 [[image:image-20221230092303-2.png]]
394
395
396 === 3.5.5 System ~-~-> Package Management ===
397
398
399 In the System ~-~-> Package Management interface, Users can check the current version of Core Packages.
400
401 [[image:image-20230214094316-4.png]]
402
403
404 = 4. Build-in Server =
405
406
407 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).**
408
409
410 [[image:image-20230214095318-5.png||height="347" width="980"]]
411
412
413 (% style="color:red" %)**Note:**
414
415 **Path**: System ~-~-> Built-in Server
416
417
418 **Troubleshooting:**
419
420
421 **~ 1. URL does not jump properly**
422
423 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.
424
425 For the Node-Red, you can use the local IP address and the port is 1880 to access it.
426
427
428 == 4.1 LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3) ==
429
430
431 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.
432
433 Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
434
435
436 Login account:
437
438 **User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
439
440 **Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
441
442
443 [[image:image-20220725171719-1.png||height="570" width="769"]]
444
445
446 == 4.2 Application Server ~-~- Node-Red ==
447
448
449 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.
450
451
452 Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
453
454
455 [[image:image-20220725172124-3.png||height="610" width="843"]]
456
457
458
459 === **Using Node-Red, InfluxDB and Grafana** ===
460
461 The LPS8-V2 supports this combination, the default, Node-red is pre-installed but the InfluxDB and Grafana is not pre-installed.
462
463
464 the users can refer to this link to install them.
465
466 [[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]]
467
468
469 == 4.3 How to disable the built-in server ==
470
471
472 Use the following commands to start and stop the TTNv3 service:
473
474 (% class="box infomessage" %)
475 (((
476 **# start**
477 systemctl start ttnstack
478
479 **# stop**
480 systemctl stop ttnstack
481
482 **# enable**
483 systemctl enable ttnstack
484
485 **#disable**
486 systemctl disable ttnstack
487 )))
488
489 Use the following commands to start and stop the Node-Red service:
490
491 (% class="box infomessage" %)
492 (((
493 **# start**
494 systemctl start nodered
495
496 **# stop**
497 systemctl stop nodered
498
499 **# enable**
500 systemctl enable nodered
501
502 **#disable**
503 systemctl disable nodered
504 )))
505
506
507 == 4.4 How to use ChirpStack on LPS8-V2 ==
508
509
510 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:
511
512 [[ChirpStack open-source LoRaWAN® Network Server documentation>>https://www.chirpstack.io/docs/getting-started/docker.html]]
513
514 [[image:image-20230222094908-1.png||height="133" width="798"]]
515
516
517 = 5. How users can access LPS8-V2 using serial USB =
518
519
520 (% style="color:blue" %)**USB TTL to LPS8-V2  Connection:**
521
522
523 Port 1 of the UART on the LPS8-V2 is GND
524
525 (% class="box infomessage" %)
526 (((
527 **TXD  <~-~--> UART RXD (Gray line)**
528
529 **RXD  <~-~--> UART TXD (White line)**
530
531 **GND <~-~--> GND (Black line)**
532 )))
533
534
535 **LPS8v2 UART connection photo**
536
537 [[image:image-20220804163015-1.png||height="621" width="466"]]
538
539
540 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:
541
542
543 [[image:image-20220804164928-3.png||height="320" width="332"]]
544
545
546 [[image:image-20220804164747-2.png||height="622" width="594"]]
547
548
549 = 6. Use the helium gateway-rs as the Data-only Hotspot =
550
551
552 == **Step 1: Configure Frequency Band** ==
553
554
555 //Each country has a requirement for frequency region. Choose the right one for your area.//
556
557 [[image:image-20220905164308-1.png]]
558
559
560
561 == **Step 2: Configure the forward address** ==
562
563
564 **Select one of the servers to configure.**
565
566 **For example:**
567
568 [[image:image-20220905164847-2.png]]
569
570
571
572 == **Step 3: Download and Install the Helium-gateway-rs** ==
573
574
575 **Access the gateway CLI via SSH.**
576
577 [[image:image-20220905165222-3.png]]
578
579
580 **Download gateway-rs.**
581
582 [[image:image-20220905165715-5.png]]
583
584 (% class="box infomessage" %)
585 (((
586 **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]]**
587 )))
588
589
590 **Install gateway-rs.**
591
592 [[image:image-20220905165917-7.png]]
593
594 (% class="box infomessage" %)
595 (((
596 **Command: dpkg -i helium-gateway-v1.0.0-alpha.31-raspi234.deb **
597 )))
598
599
600 **Modify configuration.**
601
602
603 [[image:image-20220905173847-12.png]]
604
605
606 (% class="box infomessage" %)
607 (((
608 **region=<Enter regional parameters> \
609 && sed -i '/region/d' /etc/helium_gateway/settings.toml && sed -i "1 i\region = \"$region\"" /etc/helium_gateway/settings.toml \
610 && sed -i '/region/d' /etc/helium_gateway/default.toml && sed -i "22 i\region = \"$region\"" /etc/helium_gateway/default.toml**
611 )))
612
613
614 **Restart the helium_gateway**
615
616 [[image:image-20220905170920-9.png]]
617
618
619 (% class="box infomessage" %)
620 (((
621 **systemctl restart helium_gateway**
622 )))
623
624
625 **Check the helium_gateway Log：**
626
627 [[image:image-20220905173952-13.png]]
628
629
630 (% class="box infomessage" %)
631 (((
632 **journalctl -u helium_gateway -f**
633 )))
634
635
636 (% style="color:red" %)**Note: if your device is not finished the onboarding, which is unable to connect to the Helium console.**
637
638 where the helium gateway log is shown:
639
640 [[image:image-20220905174534-14.png]]
641
642
643 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.
644
645
646 = 7. OTA System Update =
647
648
649 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.
650
651
652 = 8. Trouble Shooting =
653
654 == 8.1  I can't log in to the built-in Server TTN Stack which shows '**Login failed**'. ==
655
656
657 [[image:image-20220920135918-1.png]]
658
659
660 This is caused by the inconsistency between the built-in TTN-Stack domain configuration and your login URL.
661
662 By default, ttn-stack uses the gateway's domain name for URL resolution, but in some networks, they prefer to resolve IP-v4 addresses.
663
664
665 So you can change the domain name of the TTN-Stack configuration to the IPv4 address.
666
667 **Click the update URL button to configure the URL with the current eth port address.**
668
669 [[image:image-20220920141936-2.png]]
670
671
672 = (% style="color:inherit; font-family:inherit; font-size:29px" %)9. Supports(%%) =
673
674
675 (((
676 **//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
677 )))
678
679 (((
680 **//With your question as detailed as possible. We will reply and help you in the shortest.//**
681
682
683 = 10. Reference =
684
685
686 * Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
687 * [[Advance OS Reference Guide for LPS8v2>>doc:Main.Armbian OS instruction.WebHome]].
688
689
690
691 )))
692
693 = 11. Order Info =
694
695
696 (% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
697
698 (% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
699
700 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
701 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
702 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
703 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
704 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
705 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
706
707 (% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
708
709 * (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
710 * (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
711 * (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
712 * (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
713
714 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
715
716
717 = 12. Manufacturer Info =
718
719
720 **Shenzhen Dragino Technology Development co. LTD**
721
722 Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
723
724 LongCheng Street, LongGang District ; Shenzhen 518116,China
725
726
727 = 13. FCC Warning =
728
729
730 (((
731 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:
732 )))
733
734 (((
735 ~-~- Reorient or relocate the receiving antenna.
736 )))
737
738 (((
739 ~-~- Increase the separation between the equipment and receiver.
740 )))
741
742 (((
743 ~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
744 )))
745
746 (((
747 ~-~- Consult the dealer or an experienced radio/TV technician for help.
748 )))
749
750
751 (((
752 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
753 )))
754
755
756 (((
757 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.
758
759
760 )))
761 )))

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