Chengdu Vantron Technology VTM2MBTA-DE VT-M2M-BTA-DE User Manual

Chengdu Vantron Technology, Ltd. VT-M2M-BTA-DE

User Manual

All Rights Reserved VT-M2M-BTA-DE User’s Manual Vantron Technology www.vantrontech.com
VT-M2M-BTA-DE Revision History: No. Version Description Date 1 V1.0 First release June.17, 2014 2 V1.1 Modify description of COM June.23, 2014 3 V1.2 Add software part December 18, 2014 4 V1.3 1. Update the safety Instructions 2. Add antenna description Feb 11,2015
VT-M2M-BTA-DE Table of Contents Part I：Hardware Platform .................................................................... 4 1 Foreword........................................................................................ 5 1.1 Copyright Notice ................................................................... 5 1.2 Notes .................................................................................... 6 1.3 Statement ............................................................................. 6 1.4 Disclaimer............................................................................. 6 1.5 Limitation of Liability/Non-warranty...................................... 6 1.6 Safety Instructions ................................................................ 6 1.7 Precautions........................................................................... 7 1.8 Safety Instructions for Power Cables and Accessories ............ 8 1.9 Cleaning Instructions ............................................................ 8 2 Overview ........................................................................................ 9 2.1 Introduction ......................................................................... 9 2.2 Product Series..................................................................... 10 2.2.1 Product Order Coding Rule .................................... 10 2.2.2 Ordering Information ............................................ 11 3 M2M-BTA Hardware Instructions ................................................. 12 3.1 Product Appearance ........................................................... 12 3.2 Specifications...................................................................... 15 3.3 Interface Instructions .......................................................... 17 3.3.1 Front View ............................................................ 17 3.3.2 Back View ............................................................. 18 3.4 Dimension .......................................................................... 19 3.5 Interface Description .......................................................... 20 3.5.1 Wide-Range Power Interface ................................. 20
VT-M2M-BTA-DE 3.5.2 Ethernet Interface ................................................. 20 3.5.3 D Sub-9 RS232 Connector...................................... 21 3.5.4 RS232/485 ,CAN,External IO Connector ................. 22 3.5.5 VGA Interface........................................................ 23 3.5.6 USB Host Connector .............................................. 23 3.6 Operation Notice ................................................................ 25 3.6.1 Change SIM Card ................................................... 25 3.6.2 Power Supply ........................................................ 25 4 Tips .............................................................................................. 26 Part II：Software Reference ................................................................ 29 1. Introduction .................................................................................. 30 1.1 About This Manual ............................................................... 30 1.2 Windows OS Support ........................................................... 30 1.3 VT-M2M-BTA-DE Features .................................................... 31 2. Base Control ..................................................................................... 35 2.1 CAN Control ......................................................................... 35 2.2 GPIO Control ........................................................................ 37 2.3 Serial COM Control ............................................................... 37 2.4 Audio and Video Control ...................................................... 39 2.5 SD card Control .................................................................... 41 2.6 ADXL345 Control .................................................................. 41 3. Network Module .............................................................................. 43 3.1 WIFI Control ......................................................................... 43 3.2 3G Control ........................................................................... 44 4. GPS Module...................................................................................... 46 5. ZigBee Control .................................................................................. 48
VT-M2M-BTA-DE
VT-M2M-BTA-DE Part I：Hardware Platform
VT-M2M-BTA-DE 1 Foreword 1.1 Copyright Notice While all information contained herein have been carefully checked to assure its accuracy in technical details and printing, Vantron assumes no responsibility resulting from any error or features of this manual, or from improper uses of this manual or the software. Please contact our technical department for relevant operation solutions if there is any problem that cannot be solved according to this manual. Vantron reserves all rights of this manual, including the right to change the content, form, product features, and specifications contained herein at any time without prior notice. The latest version of this manual is at www.vantrontech.com.cn. Please contact Vantron for further information: Vantron Technology（Vantron） E-mail: sales@vantrontech.com The trademarks and registered trademarks in this manual are properties of their respective owners. No part of this manual may be copied, reproduced, translated or sold. No changes or other purposes are permitted without the prior written consent of Vantron. Vantron reserves the right of all publicly-released copies of this manual.
VT-M2M-BTA-DE 1.2 Notes Applicable notes are listed in the following table: Sign Notice Type Description Notice Important information and regulations Caution Caution for latent damage to system or harm to personnel 1.3 Statement It is recommended to read and comply with this manual before operating VT-M2M-BTA which provides important guidance and helps decreasing the danger of injury, electric shock, fire, or any damage to the device. 1.4 Disclaimer Vantron assumes no legal liability of accidents resulting from failure of conforming to the safety instructions. 1.5 Limitation of Liability/Non-warranty For direct or indirect damage to this device or other devices of Vantron caused by failure of conforming to this manual or the safety instructions on device label, Vantron assumes neither warranty nor legal liability even if the device is still under warranty. 1.6 Safety Instructions  Keep and comply with all operation instructions, warnings, and
VT-M2M-BTA-DE information.  Pay attention to warnings on this device.  Read the following precautions so as to decrease the danger of injury, electric shock, fire, or any damage to the device.  Operations and Service instructions are provided with the equipment.  Unit shall be used with indoor-use antenna only. No antenna for this unit can be installed outdoor.  The maximum operation temperature is 61°C. 1.7 Precautions  Pay attention to the product labels/safety instructions printed on silk screens.  Do not try repairing this product unless declared in this manual.  Keep away from heat source, such as heater, heat dissipater, or engine casing.  Do not insert other items into the slot (if any) of this device. • Keep the ventilation slot ventilated for cooling. •System fault may arise if other items are inserted into this device.  Installation: ensure correct installation according to instructions from the manufacturer with recommended installation tools.  Ensure ventilation and smoothness according to relevant ventilation standard.
VT-M2M-BTA-DE 1.8 Safety Instructions for Power Cables and Accessories Proper power source only Start only with power source that satisfies voltage label and the voltage necessary according to this manual. Please contact technical support personnel of Vantron for any uncertainty about the requirements of necessary power source. Use tested power source This product still contains a button lithium battery as a real-time clock after its external power source is removed and therefore should not be short-circuited during transportation or placed under high temperature. Place cables properly: Do not place cables at any place with extrusion danger. 1.9 Cleaning Instructions  Please power off before cleaning the device.  Do not use spray detergent.  Clean with a damp cloth.  Do not try cleaning exposed electronic components unless with a dust collector.  Support for special fault: Power off and contact technical support personnel of Vantron in case of the following faults:  The device is damaged.  The temperature is excessively high.  Fault is still not solved after the operation according to the manual.
VT-M2M-BTA-DE 2 Overview 2.1 Introduction Thank you for choosing Vantron. It is our commitment to provide our valued customers with the embedded devices equipped with the state-of-the-art technology and the best product services. Vantron’s M2M products are based on the most advanced ARM and Intel Atom processors and have low-power consumption and high integration. The products are designed for applications of M2M in industrials, medicals, financial, retail, vehicle, and transportations etc.
VT-M2M-BTA-DE 2.2 Product Series 2.2.1 Product Order Coding Rule Order Code VT-M2M-BTA-DE-S-1GM-16GF-GWZP-V Version: I: Extended Temperature Blank:Commercial temperature Wireless Module Option: 2G: 2G, 3G: 3G, W: WiFi, Z: Zigbee, P: GPS SD Memory Size: 16G: 16GB DDR Memory Size: 1G: 1GB, 2G: 2GB CPU Speed: S/D/Q:Single / Dual/ Quad
VT-M2M-BTA-DE 2.2.2 Ordering Information Order Examples: VT-M2M-BTA-DE-S-1GM-16GF-GWP-I ATOM Baytrail single Processor, 1GB DDR3L, 16GB SSD, 3G, WiFi, GPS, extended temperature VT-M2M-BTA-DE-Q-1GM-16GF-WP ATOM Baytrail quad Processor, 1GB DDR3L, 16G SSD, WiFi, GPS, commercial temperature Accessories: Install Mechanical tools,1pc Power Adapter with locked connector (Optional),1pc IO Terminal (12x3.81mm) (Optional),1pc 3G Antenna(Optional),1pc WiFi Antenna(Optional),1pc Zigbee Antenna(Optional),1pc GPS Antenna(Optional),1pc
VT-M2M-BTA-DE 3 M2M-BTA Hardware Instructions 3.1 Product Appearance Front Side View Back Side View
VT-M2M-BTA-DE View for all optional embedded modules and antennas
VT-M2M-BTA-DE Bottom View for optional embedded modules (1xHalf PCIe slot under the 1xPCIe slot) Top View for thermal module
VT-M2M-BTA-DE 3.2 Specifications Specifications CPU Processor Intel® ATOM™, E3827/1.75GHz, E3845/1.91GHz, E3815/1.46GHz Memory On Board RAM On Board DDRIII 1333MT/s(E3845&E3827)/ 1066MT/s (E3815), up to 2GB ROM Internal 1.8”SATA SSD Module Internal (16GB, or others) On board SATA2.0 SSD 8GB(OPTIONAL) Display Chipset Support LVDS/HDMI/VGA, simultaneous/dual view display Resolution Up to 1280 x 768 @ 60Hz for LVDS; Up to 1920x1200@60Hz for HDMI Up to 2560x1600@60Hz for VGA Interface 1xVGA (DB15) 1xLVDS (Optional Internal) Wireless Communication WLAN Optional 802.11 b/g/n Wireless Module, external antenna , Support 1x Half PCIe Wireless card 3G Module Optional1x mini PCIe 3G Broad Band Module with SIM slot ZigBee Optional low power Zigbee Module, external antenna GPS Optional GPS module, external antenna Peripheral Interfaces Ethernet 1x10/100/1000-BaseT(RJ45) USB 2xUSB2.0 Host (Type A) Audio HD Audio, 1xMIC in 3.5mm, 1xline Out 3.5mm（optional） COM Port 1xRS232/485/422(DB9 full function), 1xRS232/485(2 wires on Green Terminal)
VT-M2M-BTA-DE Alarm Buzzer Out SD card 1xSD card Slot (Optional ) RTC Supported Control Reset Button in the front,Power button in the back GPIO Reserved GPIO (Terminal) CAN 1x CAN2.0b Security security On board Registration Serial Number, and SHA-1 Encrypt/Decrypt Chip DS28E01 (Optional) TPM on board Software OS Windows, or Linux Applications SDK Available Power Input DC9-36V(default 12V), Locked Power Jack Consumption 6W (Pulse8W), Sleep 2W. (without 3G,GPS,Zigbee,WLAN) Mechanical Dimensions 176x101x52mm (Box) Install 198x101x52mm Weight 0.6Kg (1.2KKg package Kit) Enclosure Aluminum Alloy with Black Color Environment Condition Temperature Operating:-0°C ~ +65°C ( ETR:-40°C ~ +65°C Optional) Storage: -20°C ~ +70°C, (ETR:-40°C ~ +85°C Optional) Humidity 5-95%RH at 25-35 (Non-Condensation) Cooling Mode Fan less, Heat Sink Approvals UL, FCC Class B, and CE
VT-M2M-BTA-DE 3.3 Interface Instructions 3.3.1 Front View 3G / GPRS Antenna(3G Band) Antenna Gain:1dBi WLAN / ZigBee Antenna(2.4G Band) Antenna Gain:3.2dBi GPS Antenna(1.5G Band)
VT-M2M-BTA-DE 3.3.2 Back View
VT-M2M-BTA-DE 3.4 Dimension
VT-M2M-BTA-DE 3.5 Interface Description 3.5.1 Wide-Range Power Interface Power JACK with lock Pin Description 1,3 DGND (ground pin) 2 Power (+12 DC,UP to 36V) 3.5.2 Ethernet Interface Standard RJ45 interface, supporting 10M/100M/1000M self-adaptation, this is a standard RJ45 ethernet port
VT-M2M-BTA-DE 3.5.3 D Sub-9 RS232 Connector Standard vertical DB-9 male connector Pin Description Remarks 1 DCD1/422TX+/485_A BIOS set 2 RXD1/422TX-/485_B BIOS set 3 TXD1/422RX+ BIOS set 4 DTR1/422RX- BIOS set 5 DGND (ground pin) 6 DSR1 7 RTS1 8 CTS1 9 RI1
VT-M2M-BTA-DE 3.5.4 RS232/485 ,CAN,External IO Connector 12pins 3.81 pitch terminal with screw lock Load capacity: more than 128 nodes/RS485 channel Pin Description Remarks 1 TXD2/485_2_A BIOS set 2 RXD2/485_2_B BIOS set 3 DGND 4 CANH 5 CANL 6 DGND 7 EXTIO0 3.3V Level 8 EXTIO1 3.3V Level 9 EXTIO2 3.3V Level 10 EXTIO3 3.3V Level 11 EXTIO4 3.3V Level 12 EXTIO5 3.3V Level
VT-M2M-BTA-DE 3.5.5 VGA Interface Standard vertical DB-15 Female VGA connector Pin Description 1 RED 2 GREEN 3 BLUE 4 N.C. 5 GND 6 GND 7 GND 8 GND 9 +5VDC 10 GND 11 N.C. 12 SD_DDC 13 HSYNC 14 VHYNC 15 SC_DDC 3.5.6 USB Host Connector Dual vertical USB A type interface, USB2.0
VT-M2M-BTA-DE Pin Description A1 USB1_VCC(+5VDC) A2 USB1_D- A3 USB1_D+ A4 USB1_DGND(ground pin) B1 USB2_VCC(+5VDC) B2 USB2_D- B3 USB2_D+ B4 USB2_DGND(ground pin)
VT-M2M-BTA-DE 3.6 Operation Notice 3.6.1 Change SIM Card Push the small button on the left of SIM Card Holder, and install the SIM card to the holder. Then push the holder into the Slot. 3.6.2 Power Supply Please make sure using adapter in the accessory, or the power is not reversed when powered by other adapter.
VT-M2M-BTA-DE 4 Tips Waste Disposal It is recommended to disassemble the device before abandoning it in conformity with local regulations. Please ensure that the abandoned batteries are disposed according to local regulations on waste disposal. Do not throw batteries into fire (explosive) or put in common waste canister. Products or product packages with the sign of “explosive” should not be disposed like household waste but delivered to specialized electrical ＆electronic waste recycling/disposal center. Proper disposal of this sort of waste helps avoiding harm and adverse effect upon surroundings and people’s health. Please contact local organizations or recycling/disposal center for more recycling/disposal methods of related products. Comply with the following safety tips: Do not use in combustible and explosive environment Keep away from combustible and explosive environment for fear of danger.
VT-M2M-BTA-DE Keep away from all energized circuits. Operators should not remove enclosure from the device. Only the group or person with factory certification is permitted to open the enclosure to adjust and replace the structure and components of the device. Do not change components unless the power cord is removed. In some cases, the device may still have residual voltage even if the power cord is removed. Therefore, it is a must to remove and fully discharge the device before contact so as to avoid injury. Unauthorized changes to this product or its components are prohibited. In the aim of avoiding accidents as far as possible, it is not allowed to replace the system or change components unless with permission and certification. Please contact the technical department of Vantron or local branches for help. Pay attention to caution signs. Caution signs in this manual remind of possible danger. Please comply with relevant safety tips below each sign. Meanwhile, you should strictly conform to all safety tips for operation environment.
VT-M2M-BTA-DE Notice Considering that reasonable efforts have been made to assure accuracy of this manual, Vantron assumes no responsibility of possible missing contents and information, errors in contents, citations, examples, and source programs. Vantron reserves the right to make necessary changes to this manual without prior notice. No part of this manual may be reprinted or publicly released in forms of photocopy, tape, broadcast, e-document, etc. RF exposure warning This equipment must be installed and operated in accordance with provide instructions and the antenna 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 operation in conjunction with any other antenna or transmitter. End-users and installers must be provide with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.
VT-M2M-BTA-DE Part II：Software Reference
VT-M2M-BTA-DE 1. Introduction Thank you for choosing Vantron. It is our commitment to provide our valued customers with the embedded devices equipped with the state of the art technology and the best product services. Vantron’s M2M products are based on the most advanced ARM and Intel Atom processors and have low power consumption and high integration. The products are designed for applications of M2M in industrials, medicals, financial, retail, vehicle, and transportations etc. 1.1 About This Manual This manual is for user how to configure and use devices in Windows system. 1.2 Windows OS Support The VT-M2M-BTA-DE supports the following Windows operating systems.  Windows* Embedded Standard 7 64 bit (WES7)  Windows* 7 32bit / 64bit  Windows* 8 32bit / 64bit  Windows* Embedded Standard 8 64 bit (WES8)
VT-M2M-BTA-DE 1.3 VT-M2M-BTA-DE Features The below table lists VT-M2M-BTA-DE features. Device Name Description VGA Maximum resolution up to 2560x1600@60 Hz Driver: CD\\WIN7 Driver\\Graphic\\ Intel_EMGD.WIN7_PC_Version_36_15_0_1073.7z COM Ports COM1~5 default RS232 COM1 : DB9, support RS232/RS422/RS485, baud rate up to 115200bps COM2 : Green terminal pin 1 and 2, support RS232/RS485 Baud rate up to 115200bps COM3 : GPS COM4 : ZigBee COM5 : null Configure by BIOS option: Device Management >> SIO SCH3114 Serial Port x Device Management >> SIO FINTEK81801U Serial Port x Test by tool : CD\\SW Guide\\COM Test\\TestCommPC V2.3.3.exe GPIO EXTIO 0 ~ 5 Green terminal pin 7 to 12 Configure by BIOS option: Advanced >> Onboard Devices Configuration >> GPIO Configguration Programming Guide: CD\\SW Guide\\GPIO
VT-M2M-BTA-DE Guide\\VT-M2M-BTA GPIO Programming.pdf CAN Support CAN V2.0B protocol Green Terminal Pin 4 - CANH Green Terminal Pin 5 - CANL Test by tool: CD\\SW Guide\\CAN Test\\ Test_COM2CAN_Net20_v1.0.zip Test Guide: CD\\SW Guide\\CAN Test\\ Test_COM2CAN_Net20_v1.0.zip Ethernet 2 x Intel 82574 Audio Realtek ALC269 Driver: CD\\WIN7 Driver\\Audio \\32bit_Win7_Win8_Win81_R273.exe USB Port Support USB 2.0 protocol, 2 x USB2.0 slot USB CAN, 3G and WIFI need USB3.0 driver Driver: CD\\WIN7 Driver\\USB3.0\\SetupUSB3.zip SD Card Support SD Card boot and hot plug Driver: CD\\WIN7 Driver\\ USB2Uart XR21V1410\\ XR21x141x-XPVista78-DriversOnly-Vers2.0.0.0.zip TPM Support TPM 1.2 User Guide: CD\\SW Guide\\TPM Test\\BayTrail TPM Test guide V1.0.pdf Accelerometer Support Accelerometer Module Test by tool: CD\\SW Guide\\Accelerometer test\\Test_ADXL345_BayTrail_Net20_v1.0.zip
VT-M2M-BTA-DE User Guide: CD\\SW Guide\\Accelerometer test\\Test_ADXL345_BayTrail_Net20_v1.0.zip WIFI Intel N62205 Driver: CD\\WIN7 Driver\\Intel WIFI 62205ANHMW\\intel_wireless_14.2.0.10_s64.exe 3G Telit HE910 User Guide: CD\\WIN7 Driver\\Telit HE910\\HE910 Use guide.pdf Driver: CD\\WIN7 Driver\\Telit HE910\\Telit_xE910_HE863_USB-Driver_Win_desktop_OS_U8.00.04.zip Telit DE910 User Guide: CD\\WIN7 Driver\\Telit DE910\\DE910 Use guide.pdf Driver: CD\\WIN7 Driver\\Telit DE910\\ Telit_UC_CC_DE_CE_USB_Driver_WinDesktop_2000_XP_Vista_Seven_U8_00_03.zip GPS Support GPS Module Test by tool: CD\\SW Guide\\GPS Test\\RCT-1[1].1.0BETA.exe User Guide: CD\\SW Guide\\GPS Test\\GPS user guide.pdf ZigBee Digi ZigBee Test by tool: CD\\SW Guide\\DIGI Zigbee\\40003002_B.exe
VT-M2M-BTA-DE User Guide:CD\\SW Guide\\DIGI Zigbee\\ZigBee ZGB XB24 user guide.pdf USB HUB SMSC 4604 Driver: CD\\WES7 Driver\\Smsc USB HUB 4604\\smsc_protouch_mpt_4.1.9.0_setup.exe.zip
VT-M2M-BTA-DE 2. Base Control Turn on the product, boot to Windows. 2.1 CAN Control This test application use to test COM2CAN communication, it support 32bits system. Please install Microsoft .Net 2.0 or above version and USB2COM Driver in advance before run the application . Application running as below:
VT-M2M-BTA-DE Step Details: 1. Prepare 2 devices, and connect CAN. 2. Enter windows7, look up COM number of USB2COM in device manager. 3. According to the step2, select COM14 and set CAN speed to 500k(support 20k,50k,100k,125k,250k,500k,1M), Open device. 4. Input data in first TextBox in “CAN Tx” GroupBox, Click “Send String” Button on one device, then “Tx Len” will record length of all data sent( Click “Clear TxLen” to set TxLen = 0) .The target device will receive data and show in TextBox in bottom of application now., If we want show string ,Make “RxString” CheckBox checked. “Rx Len” TextBox record length of receive data. Click “Clear Rx Buffer” button will clear all receive data and set RxLen= 0. 5. Click “Send File” button to send file. Then file path will save to The second TextBox in “CAN Tx” GroupBox. 6. We can achieve our all CAN function by “CAN Debug” Groupbox.  Open Channel: Input “O”, Click “Commit” button, If success, “0D” returned.  Set CAN Bitrate: Input “C”, Click “Commit” button. Then input “Sx”(0<=x<=8),Click “Commit” button. If success, “0D” returned.  Send Data: input “t000455555555”, If success, “0D” received. The target device receive “uuuu”. The meaning of the sample string explained in below:
VT-M2M-BTA-DE t 000 4 55555555 Fixed value, present send data ID, use 3 decimal char Send data Length Hexadecimal string, Represent data “uuuu” 2.2 GPIO Control Configure by BIOS option: Advanced >> Onboard Devices Configuration >> GPIO Configguration 2.3 Serial COM Control a. Run TestCommPC V2.3.3.exe
VT-M2M-BTA-DE b. Select PORT COM1 or COM2, select BAUD 115200, click ”Open”. c. Click “AutoTx”, COM1 transmit the data below cyclically. If connect the pin2 and pin3 of COM1, it will receive the data, and show on the right.
VT-M2M-BTA-DE 2.4 Audio and Video Control a. It can play sample music.
VT-M2M-BTA-DE b. It can play sample video.
VT-M2M-BTA-DE 2.5 SD card Control a. Insert SD card , then look over device: 2.6 ADXL345 Control a. Run Test_ADXL345_BayTrail_Net20.exe, click “start Detect”.
VT-M2M-BTA-DE b. Shake the product, the value of X,Y,Z will change.
VT-M2M-BTA-DE 3. Network Module 3.1 WIFI Control a. Click the network icon, choose the WIFI, Enter the password, click the OK icon.
VT-M2M-BTA-DE 3.2 3G Control HE910 only support WCDMA. a. Click the network icon, choose the HE910, click the connect icon. b. Click dial icon. Tip: If it fail, try again.
VT-M2M-BTA-DE DE910 only support CDMA2000. a. Fill the Username: “card”, Password: “card”, Number: “#777”.
VT-M2M-BTA-DE 4. GPS Module a. Click RCT-1[1].1.0BETA.exe, use the right key of the mouse, choose Run as administrator. b. Click COM icon, choose COM3, 38400.
VT-M2M-BTA-DE c. Click OPEN icon, starting receive data.
VT-M2M-BTA-DE 5. ZigBee Control a. Install 40003002_B.exe, when it finish, it will generate X-CTU. b. Run X-CTU, choose Communication port(COM4). c. choose Terminal
VT-M2M-BTA-DE 1. Input “+++”, ZigBee respond “OK”. 2. Input “atce 1”, ZigBee respond “OK”. 3. Input “atcn”, Zigbee respond “OK”. 4. Wait a few seconds, Zigbee enter since the resumption of spontaneous mode. For an example, input ”a”, when Zigbee respond “a”.
VT-M2M-BTA-DE US Office: Vantron Technology, Inc. Address: 1292 Kifer Road #807, Sunnyvale, CA 94086 Tel: 510-304-7666 Email: sales@vantrontech.com China Office: Chengdu Vantron Technology,Ltd Address: 3rd floor, 3rd building, No.9, 3rd WuKe East Street, WuHou District, Chengdu, P.R. China 610045 Tel: 86-28-8512-3930/3931, 8515-7572/6320 Email: sales@vantrontech.com.cn

Navigation menu