Changes for page LPS8N -- LoRaWAN Gateway User Manual
Last modified by Kilight Cao on 2024/05/18 14:36
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... ... @@ -1,1 +1,1 @@ 1 -L PS8N- LoRaWAN Gateway User Manual1 +DLOS8N - Content
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... ... @@ -1,49 +1,50 @@ 1 + 2 + 1 1 (% style="text-align:center" %) 2 -[[image:165 6917428377-954.png||height="475" width="475"]]4 +[[image:1652409757234-446.png||height="399" width="399"]] 3 3 4 4 5 5 8 +**DLOS8N Outdoor LoRaWAN Gateway User Manual** 6 6 10 + 7 7 **Table of Contents:** 8 8 13 +{{toc/}} 9 9 10 10 11 11 12 12 18 += 1. Introduction = 13 13 20 +== 1.1 What is the DLOS8N == 14 14 22 +((( 23 +The DLOS8N is an (% style="color:#4f81bd" %)open source outdoor LoRaWAN Gateway. (% style="color:black" %)It lets you bridge LoRa wireless network to an IP network via WiFi, Ethernet, 3G or 4G cellular. The LoRa wireless allows users to send data and reach extremely long ranges at low data-rates. 24 +))) 15 15 26 +((( 27 +DLOS8N supports (% style="color:#4f81bd" %)Semtech packet forwarder (% style="color:black" %)and (% style="color:#4f81bd" %)LoRaWAN Station connection, (% style="color:black" %)it is fully compatible with LoRaWAN protocol. DLOS8N includes a (% style="color:#4f81bd" %)SX1302 LoRaWAN concentrator. 28 +))) 16 16 30 +((( 31 +DLOS8N has (% style="color:#4f81bd" %)pre-configured standard LoRaWAN frequency bands (% style="color:black" %)to use for different countries.User can also customize the frequency bands to use in their own LoRaWAN network. 32 +))) 17 17 34 +((( 35 +DLOS8N can communicate with ABP LoRaWAN end node without LoRaWAN server. System integrator can use it to integrate with their existing IoT Service without set up own LoRaWAN server or use 3rd party LoRaWAN service. 36 +))) 18 18 19 - 20 - 21 -(% style="color:inherit; font-family:inherit; font-size:29px" %)1. Introduction 22 - 23 -== 1.1 What is the LPS8N == 24 - 25 - 26 - 27 -The LPS8N is an (% style="color:#4f81bd" %)**open source LoRaWAN Indoor Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via WiFi, Ethernet, 3G or 4G cellular network. The LoRa wireless allows users to send data and reach extremely long ranges at low data-rates. 28 - 29 -The LPS8N uses (% style="color:#4f81bd" %)**Semtech packet forwarder**(%%) & (% style="color:#4f81bd" %)**LoRaWAN Station connection**(%%) and fully compatible with LoRaWAN protocol. It includes a (% style="color:#4f81bd" %)**SX1302 LoRaWAN concentrator**(%%), which provides 10 programmable parallel demodulation paths. 30 - 31 -LPS8N has (% style="color:#4f81bd" %)**pre-configured standard LoRaWAN frequency bands**(%%) to use for different countries. User can also (% style="color:#4f81bd" %)**customized the frequency bands** (%%)to use in their own LoRa network. 32 - 33 -LPS8N can communicate with ABP LoRaWAN end node without LoRaWAN server. System integrator can use it to integrate with their existing IoT Service without set up own LoRaWAN server or use 3rd party LoRaWAN service. 34 - 35 35 ((( 36 - 39 +DLOS8N supports (% style="color:#4f81bd" %) auto-provision (% style="color:black" %) for mass deployment and long term maintain. System intergrator can easily change the settings. 37 37 ))) 38 38 39 -[[image:165 6918270059-192.png]]42 +[[image:1652411526195-923.png||height="494" width="731"]] 40 40 41 - 42 42 == 1.2 Specifications == 43 43 46 +**Hardware System:** 44 44 45 -(% style="color:#037691" %)**Hardware System:** 46 - 47 47 ((( 48 48 Linux Part: 49 49 ))) ... ... @@ -52,21 +52,19 @@ 52 52 * 64MB RAM 53 53 * 16MB Flash 54 54 56 +**Interface:** 55 55 56 -(% style="color:#037691" %)**Interface:** 57 - 58 - 59 59 * 10M/100M RJ45 Ports x 1 60 60 * WiFi : 802.11 b/g/n 61 61 * LoRaWAN Wireless 62 -* Power Input: 5V DC, 2A, Type C 61 +* Power Input: 12 ~~ 24 V DC, 2 A 62 +* IEEE 802.3 af compliant PoE port (DC 37 ~~ 57 v) 63 63 * USB 2.0 host connector x 1 64 64 * Mini-PCI E connector x 1 65 65 * SX1302 + 2 x SX1250 66 66 67 +**WiFi Spec:** 67 67 68 -(% style="color:#037691" %)**WiFi Spec:** 69 - 70 70 * IEEE 802.11 b/g/n 71 71 * Frequency Band: 2.4 ~~ 2.462GHz 72 72 * Tx power: ... ... @@ -78,11 +78,9 @@ 78 78 ** 11g 54M : -71dbm 79 79 ** 11n 20M : -67dbm 80 80 80 +**LoRa Spec:** 81 81 82 -(% style="color:#037691" %)**LoRa Spec:** 83 - 84 - 85 -* Up to -140 dBm sensitivity 82 +* Up to -140 dBm sensitivity with SX1250 Tx/Rx front-end 86 86 * 70 dB CW interferer rejection at 1 MHz offset 87 87 * Able to operate with negative SNR, CCR up to 9dB 88 88 * Emulates 49 x LoRa demodulators and 1 x (G)FSK demodulator ... ... @@ -91,18 +91,24 @@ 91 91 * Dynamic data-rate (DDR) adaptation 92 92 * True antenna diversity or simultaneous dual-band operation 93 93 91 +**Cellular 4G LTE (optional):** 94 94 95 -(% style="color:#037691" %)**Cellular 4G LTE (optional):** 96 - 97 - 98 -* Quectel [[**EC25 LTE module**>>url:https://www.quectel.com/product/ec25minipcie.htm]] 99 -* Micro SIM Slot 100 -* External 4G Sticker Antenna. 93 +* Quectel: [[**EC25 LTE module**>>url:https://www.quectel.com/product/ec25minipcie.htm]] 94 +* Standard Size SIM Slot 95 +* 2 x 4G Sticker Antenna. 101 101 * Up to 150Mbps downlink and 50Mbps uplink data rates 102 102 * Worldwide LTE,UMTS/HSPA+ and GSM/GPRS/EDGE coverage 103 103 * MIMO technology meets demands for data rate and link reliability in modem wireless communication systems 104 104 100 +**Power over Ethernet:** 105 105 102 +* IEEE 802.3af compliant. 103 +* Support wide input voltage range 37Vdc to 57Vdc. 104 +* Thermal cut off. 105 +* Short circuit protection. 106 +* Over current protection 107 +* Isolation level 4 KVrms. 108 +* Enhanced surge protection 106 106 107 107 == 1.3 Features == 108 108 ... ... @@ -264,21 +264,18 @@ 264 264 [[image:1652420606018-181.png]] 265 265 266 266 267 -((( 268 268 [[image:1652420718132-929.png||height="427" width="727"]] 269 -))) 270 270 271 271 ((( 272 272 The set up page is (% style="color:#4f81bd" %)**System ~-~-> Cellular** 273 273 ))) 274 274 276 + 275 275 ((( 276 276 While use the cellular as Backup WAN, device will use Cellular for internet connection while WAN port or WiFi is not valid and switch back to WAN port or WiFi after they recover. 277 277 ))) 278 278 279 -((( 280 280 [[image:1652421032117-341.png||height="329" width="752"]] 281 -))) 282 282 283 283 (% style="color:red" %)**Note** *: For DLOS8N which doesn’t have the cellular module, this page will shows Cellular not detected. 284 284 ... ... @@ -287,7 +287,7 @@ 287 287 In the (% style="color:#4f81bd" %)**home**(%%) page, we can check the Internet connection. 288 288 289 289 * GREEN Tick [[image:1652436675869-206.png||height="14" width="15"]] : This interface has Internet connection. 290 -* Yellow 290 +* Yellow Tick [[image:1652436705761-420.png||height="15" width="15"]] : This interface has IP address but don’t use it for internet connection. 291 291 * RED Cross [[image:1652436787176-950.png||height="14" width="15"]] : This interface doesn’t connected. 292 292 293 293 [[image:1652421351382-793.png||height="339" width="765"]] ... ... @@ -296,13 +296,11 @@ 296 296 297 297 DLOS8N is fully compatible with LoRaWAN protocol. It uses the legacy Semtech Packet forwarder to forward the LoRaWAN packets to server. The structure is as below. 298 298 299 -((( 300 300 [[image:image-20220513140429-1.png||height="565" width="824"]] 301 -))) 302 302 303 303 This chapter describes how to use the DLOS8Nto work with 304 304 305 -TheThingsNetwork v3(TTN v3)[[ LoRaWAN Server>>url:https://www.thethingsnetwork.org/]] ([[www.thethingsnetwork.org>>url:http://www.thethingsnetwork.org/]]) 303 +[[T>>url:https://www.thethingsnetwork.org/]]heThingsNetwork v3(T[[TN>>url:https://www.thethingsnetwork.org/]] v3[[)>>url:http://)]][[ LoRaWAN Server>>url:https://www.thethingsnetwork.org/]] ([[www.thethingsnetwork.org>>url:http://www.thethingsnetwork.org/]]) 306 306 307 307 == 4.1 Create a gateway in TTN V3 Server == 308 308 ... ... @@ -312,12 +312,11 @@ 312 312 Every DLOS8N has a unique gateway id. The ID can be found at LoRaWAN page: 313 313 ))) 314 314 315 -((( 316 316 [[image:1652421929753-168.png||height="403" width="739"]] 317 -))) 318 318 319 -The example gateway id is: **a840411e96744154**315 +The example gateway id is: a840411e96744154 320 320 317 + 321 321 (% style="color:#4f81bd" %)**Step 2: Sign up a user account in TTN server** 322 322 323 323 [[**https:~~/~~/account.thethingsnetwork.org/register**>>url:https://account.thethingsnetwork.org/register]] ... ... @@ -324,12 +324,12 @@ 324 324 325 325 [[image:1652422127479-258.png||height="346" width="738"]] 326 326 324 + 327 327 (% style="color:#4f81bd" %)**Step 3: Choose the TTNv3 Cluster Picker** 328 328 329 -((( 330 330 [[image:1652422142236-792.png||height="356" width="737"]] 331 -))) 332 332 329 + 333 333 (% style="color:red" %)**Note: Choose the cluster corresponds to a specific Gateway server address** 334 334 335 335 * Europe 1 (% style="color:red" %)corresponding Gateway server address: (% style="color:black" %)eu1.cloud.thethings.network ... ... @@ -349,9 +349,7 @@ 349 349 350 350 [[image:1652422479876-297.png||height="398" width="729"]] 351 351 352 -((( 353 353 (% style="color:red" %)**Notice: **Gateway Server address must match the gateway configuration, otherwise you will have problem for End Node to join the network. 354 -))) 355 355 356 356 After creating the gateway, you can see the gateway info, as below. 357 357 ... ... @@ -359,17 +359,11 @@ 359 359 360 360 == 4.2 Configure DLOS8N to connect to TTN v3 == 361 361 362 -((( 363 363 You can now configure the DLOS8N to let it connect to TTN network V3. 364 -))) 365 365 366 -((( 367 367 Make sure your DLOS8N has a working Internet Connection first. 368 -))) 369 369 370 -((( 371 371 Choose the right server provider and click (% style="color:#4f81bd" %)**Save&Apply** 372 -))) 373 373 374 374 [[image:1652422624783-580.png||height="327" width="729"]] 375 375 ... ... @@ -424,15 +424,24 @@ 424 424 425 425 [[image:1652422840936-838.png]] 426 426 416 + 427 427 ((( 428 428 (% style="color:red" %)Note: You may be able to change these codes in a device by using a configuration facility on the device e.g. the LT-22222 uses a serial port access and a series of AT commands. Changing the codes may be necessary in the case where you have to use codes assigned by a LoRa WAN server. 429 429 ))) 430 430 431 431 ((( 422 + 423 +))) 424 + 425 +((( 432 432 For the TTN v3 server, you can use the codes set in the device as in the following example. 433 433 ))) 434 434 435 435 ((( 430 + 431 +))) 432 + 433 +((( 436 436 Select **Add Application** to open the screen below. 437 437 ))) 438 438 ... ... @@ -448,6 +448,7 @@ 448 448 Select OTAA activation mode 449 449 ))) 450 450 449 + 451 451 ((( 452 452 The LoRaWAN version for your device should be provided by the manufacturer in a datasheet as LoRaWAN version or LoRaWAN specification. The most commonly used LoRaWAN versions are v1.0.2 and v1.0.3. 453 453 ))) ... ... @@ -466,6 +466,7 @@ 466 466 Finally, Application layer settings input the corresponding AppKey. Before saving the configuration, check that the data matches the device. 467 467 ))) 468 468 468 + 469 469 ((( 470 470 (% style="color:#4f81bd" %)**Step 2**: (% style="color:black" %)Power on LT-22222-L device and it will automatically join the TTN network. After joining successfully, it will start to upload messages to the TTN v3. Select the Live data tab and you will see the data appearing in the panel. 471 471 ))) ... ... @@ -505,8 +505,9 @@ 505 505 506 506 [[image:1652423554776-574.png||height="380" width="740"]] 507 507 508 -Note *: **[[See this instruction for how to customize frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]**508 +Note *: See this instruction for how to customize frequency band: 509 509 510 +[[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]] 510 510 511 511 === 5.2.2 LoRa ~-~-> ABP Decryption === 512 512 ... ... @@ -513,10 +513,10 @@ 513 513 The DLOS8N can communicate with LoRaWAN ABP End Node without the need of LoRaWAN server. It can be used in some cases such as: 514 514 515 515 * No internet connection. 516 -* User wants to get data forward in gateway and forward to their server based on MQTT/HTTP, etc. (Combine ABP communication method and [[MQTT forward together>> doc:Main.MQTT.WebHome]]).517 +* User wants to get data forward in gateway and forward to their server based on MQTT/HTTP, etc. (Combine ABP communication method and [[MQTT forward together>>http://8.211.40.43:8080/xwiki/bin/view/Main/MQTT%20Forward%20Instruction/]]). 517 517 518 518 ((( 519 -Detail of this feature: **[[Communication with ABP End Node>>doc:Main.Communicate.WebHome]]**520 +Detail of this feature: [[Communication with ABP End Node>>http://8.211.40.43:8080/xwiki/bin/view/Main/Communicate%20with%20ABP%20End%20Node%20without%20LoRaWAN%20Network%20Server%20---%20LG308/]] 520 520 ))) 521 521 522 522 [[image:1652423628833-467.png||height="357" width="755"]] ... ... @@ -535,7 +535,7 @@ 535 535 536 536 ~**: Packet filter is to drop the unwanted LoRaWAN packet, instruction see here: 537 537 538 - **See:** **[[Filter unwanted LoRaWAN packets>>doc:Main.Filter.WebHome]]**539 +See :[[Filter unwanted LoRaWAN packets>>http://8.211.40.43:8080/xwiki/bin/view/Main/Filter%20unwanted%20LoRaWAN%20packets/]] 539 539 540 540 === 5.3.2 LoRaWAN ~-~-> Amazon AWS-IoT === 541 541 ... ... @@ -542,7 +542,7 @@ 542 542 [[image:1652428499323-384.png||height="275" width="723"]] 543 543 544 544 ((( 545 -Please see this instruction to know more detail and demo for how to connect to **[[AWS-IoT LoRaWAN Core>>doc:Main.AWSLoRaWAN.WebHome]].**546 +Please see this instruction to know more detail and demo for how to connect to AWS-IoT LoRaWAN Core: [[http:~~/~~/wiki.dragino.com/index.php?title=Notes_for_AWS-IoT-Core>>url:http://wiki.dragino.com/index.php?title=Notes_for_AWS-IoT-Core]] 546 546 ))) 547 547 548 548 === 5.3.3 LoRaWAN ~-~-> LORIOT === ... ... @@ -552,7 +552,7 @@ 552 552 ))) 553 553 554 554 ((( 555 -Instruction: **[[Notes:Main.Notes.WebHome]]**556 +Instruction: [[http:~~/~~/wiki.dragino.com/index.php?title=Notes_for_LORIOT>>url:http://wiki.dragino.com/index.php?title=Notes_for_LORIOT]] 556 556 ))) 557 557 558 558 [[image:1652428648903-878.png||height="266" width="731"]] ... ... @@ -561,8 +561,9 @@ 561 561 562 562 If end nodes works in ABP mode, user can configure DLOS8N to transfer the data to MQTT broker, 563 563 564 -Instruction: **[[MQTT Forward Instruction>>doc:Main.MQTT Forward Instruction.WebHome]]**565 +Instruction: 565 565 567 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#MQTT_Forward_Instruction>>url:http://wiki.dragino.com/index.php?title=Main_Page#MQTT_Forward_Instruction]] 566 566 567 567 [[image:1652428705046-212.png||height="417" width="733"]] 568 568 ... ... @@ -591,10 +591,18 @@ 591 591 ))) 592 592 593 593 ((( 596 + 597 +))) 598 + 599 +((( 594 594 **__Timezone:__**Set device timezone. 595 595 ))) 596 596 597 597 ((( 604 + 605 +))) 606 + 607 +((( 598 598 **__Port forwarding:__**Enable/Disable the HTTP and SSH access via WAN interface. 599 599 ))) 600 600 ... ... @@ -612,8 +612,6 @@ 612 612 613 613 ((( 614 614 __**WiFi Settings:**__Setting for DLOS8N WiFi IP when use it as WiFi Client 615 - 616 - 617 617 ))) 618 618 619 619 === 5.5.4 System ~-~-> WiFi === ... ... @@ -622,6 +622,7 @@ 622 622 623 623 [[image:1652429430767-921.png||height="367" width="723"]] 624 624 633 + 625 625 === 5.5.5 System ~-~-> Cellular === 626 626 627 627 While use the cellular as Backup WAN, device will use Cellular for internet connection while WAN port or WiFi is not valid and switch back to WAN port or WiFi after they recover. ... ... @@ -630,10 +630,12 @@ 630 630 631 631 (% style="color:red" %)Note *: For DLOS8N which doesn’t have the cellular module, this page will shows Cellular not detected. 632 632 642 + 633 633 === 5.5.6 System ~-~-> Network Status === 634 634 635 635 [[image:1652429486609-208.png||height="415" width="728"]] 636 636 647 + 637 637 === 5.5.7 System ~-~-> Remote Mgnt & Auto Provision === 638 638 639 639 Auto Provision is the feature for batch configure and remote management. It can be used in below two cases: ... ... @@ -646,13 +646,13 @@ 646 646 647 647 Please see this document for detail: 648 648 649 -((( 650 650 [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Application_Note/&file=Auto-update-feature.pdf>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Application_Note/&file=Auto-update-feature.pdf]] 651 -))) 652 652 653 653 654 -R-SSH is for remote access device and management, introduction for how to use: **[[Remote Access Gateway>>doc:Main.Remote Access Gateway.WebHome]]**663 +R-SSH is for remote access device and management, introduction for how to use: 655 655 665 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Remote_Access_Gateway_via_Reverse_SSH>>url:http://wiki.dragino.com/index.php?title=Main_Page#Remote_Access_Gateway_via_Reverse_SSH]] 666 + 656 656 [[image:1652429624400-864.png||height="432" width="716"]] 657 657 658 658 ... ... @@ -712,24 +712,10 @@ 712 712 713 713 === 5.6.1 LogRead ~-~-> LoRa Log === 714 714 726 +[[image:1652430356784-567.png||height="325" width="730"]] 715 715 716 716 Show the frequency for LoRa Radio and traffics. 717 717 718 -[[image:image-20220615204306-1.png||height="575" width="733"]] 719 - 720 - 721 -Show the IoT Server Connection State and FWD State 722 - 723 -[[image:image-20220616083933-1.png||height="556" width="729"]] 724 - 725 -DLOS8 can view GPS location in the Logread FWD State 726 - 727 - 728 -Show the Error logs, RxTxJson lorawan packages, and PULL State 729 - 730 -[[image:image-20220615205416-6.png||height="442" width="884"]] 731 - 732 - 733 733 === 5.6.2 LogRead ~-~-> System Log === 734 734 735 735 Show the system log ... ... @@ -740,9 +740,8 @@ 740 740 741 741 == 6.1 More instructions == 742 742 743 -[[LoRaWAN :Main.WebHome]](LoRaWAN)740 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRa.2FLoRaWAN_Gateway_Instruction>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRa.2FLoRaWAN_Gateway_Instruction]] 744 744 745 - 746 746 = 7. Linux System = 747 747 748 748 The DLOS8N is based on the OpenWrt Linux system. It is open source, and users are free to configure and modify the Linux settings. ... ... @@ -767,7 +767,6 @@ 767 767 768 768 [[image:1652431609193-637.png||height="214" width="732"]] 769 769 770 - 771 771 == 7.2 Edit and Transfer files == 772 772 773 773 ((( ... ... @@ -796,10 +796,18 @@ 796 796 ))) 797 797 798 798 ((( 794 + 795 +))) 796 + 797 +((( 799 799 The Linux system uses around 8MB ~~10MB flash size which means there is not much room for user to store data in the DLOS8N flash. 800 800 ))) 801 801 802 802 ((( 802 + 803 +))) 804 + 805 +((( 803 803 You can use an external USB flash memory device to extend the size of flash memory for storage. 804 804 ))) 805 805 ... ... @@ -867,16 +867,17 @@ 867 867 == 9.1 How can I configure for a customized frequency band? == 868 868 869 869 ((( 870 -See below link for how to customize frequency band: **[[How to customized LoRaWAN frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]**873 +See below link for how to customize frequency band: 871 871 ))) 872 872 873 873 ((( 874 - 877 +[[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]] 875 875 ))) 876 876 880 + 877 877 == 9.2 Can I connect DLOS8N to LORIOT? == 878 878 879 -Yes, the set up instruction is here: **[[Notes:Main.Notes.WebHome]]**883 +Yes, the set up instruction is here: [[http:~~/~~/wiki.dragino.com/index.php?title=Notes_for_LORIOT>>url:http://wiki.dragino.com/index.php?title=Notes_for_LORIOT]] 880 880 881 881 882 882 == 9.3 Can I make my own firmware for the gateway, where can I find the source code? == ... ... @@ -923,13 +923,14 @@ 923 923 == 10.2 How to recover the DLOS8N if the firmware crashes == 924 924 925 925 ((( 926 -Please follow this instruction to recover your gateway: **[[Recover Gateway>>doc:Main.How to Recover Gateway if can't access it.WebHome]]**930 +Please follow this instruction to recover your gateway: 927 927 ))) 928 928 929 929 ((( 930 - 934 +[[http:~~/~~/wiki.dragino.com/index.php?title=Recover_Gateway>>url:http://wiki.dragino.com/index.php?title=Recover_Gateway]] 931 931 ))) 932 932 937 + 933 933 == 10.3 I configured DLOS8N for WiFi access and lost its IP. What to do now? == 934 934 935 935 [[image:1652435238615-272.png||height="247" width="727"]] ... ... @@ -998,7 +998,7 @@ 998 998 999 999 = 13. Support = 1000 1000 1001 -* Try to see if your questions already answered in the [[wiki>> doc:Main.WebHome]].1006 +* Try to see if your questions already answered in the [[wiki>>url:http://wiki.dragino.com/]]. 1002 1002 * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. 1003 1003 Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before mentioned schedule. 1004 1004 * 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:[[support@dragino.com>>url:file:///C:/Users/11315/Documents/D:/Projects/LoRa%20Product%20Line/LG308%20Picocell%20Gateway/LG308/LG308%20%25E8%25AF%25B4%25E6%2598%258E%25E4%25B9%25A6/support@dragino.com]]
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