4CH 4G SD card Mobile DVR
Model:vtg2004
1.1 Product features
This series of products is a Super cost-effective 4G SD Card Mobile DVR designed for the mobile surveillance market. Support wide power Voltage input, support large-capacity SD card recording, USB backup; use professional and reliable aviation plug connectors; unique UPS technology, combined with advanced software and hardware, and incorporate a series of detailed considerations to make the product more outstanding; High appearance, Precise structure, low power consumption, good heat dissipation; simple installation, easy operation, and extremely stable; widely used in passenger Coach, buses, taxis, school buses, logistics vehicles, dangerous goods vehicles, Sedan cars, ships, etc.
The detailed features are as follows：
v Industrial design, stable and reliable, easy to install
v Video adopts the international mainstream H.265/H.264 encoding format, and the audio adopts G711a encoding. It can support up to 4 channels of 1080P. high compression ratio , clear image, and Use small disk space .
v Professional vehicle power supply, can adapt to 8 to 36V ultra-wide voltage input, with multiple protection circuits such as overload/short circuit/reverse connection
v Highly reliable aviation plug input and output interface, easy to install and plug, and stronger Vandal-proof performance
v Support 4 channels of video and audio input, frame rate and image quality are adjustable
v Support single SD card Max 512G large capacity recording
v The video content has the power-off protection function, and the video will be automatically restored when power recovery
v Support video loss alarm function
v Independent delay Power shutdown , can support the system to continue running after the vehicle is turned off, the delay time can be set by yourself
v Supporting CMS client platform, providing multiple functions such as playback, analysis, management, etc.
v Support Firmware upgrade via SD card or U disk
v Support 4G and GPS function
1.2 Main functions
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Item
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Description
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Feature
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Video subsystem
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Video channel
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4 channels, 1 to 4 video channels are optional, 4 audio channels
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Resolution
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Support 4 channels 1080P, 720P, D1, CIF, etc.
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Video quality
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Multiple levels are optional
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OSD
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Various characters can be superimposed, such as date and time and channel ID, etc.
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Loop recording
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Support SD card loop recording and loop coverage
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Video mode
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Support boot recording, timing recording, alarm trigger recording
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Preview
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Support single screen and multi screen
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Playback subsystem
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Video search
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Supports search at any time within a certain day, and multiple search types are supported
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Replay
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Support multi-channel comparison playback
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Support fast forward and fast rewind, respectively supporting 2, 4, 8, 16 times speed optional
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Support alarm point search and time point search
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GUI
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Graphical interface
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Support configuration of various parameters through the remote control
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other
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Power ON/OFF
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Support delay power on/off
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Support ACC power on/off and time power on/off machine
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1.3 Specifications
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Item
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Parameters
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OS
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Embedded Linux
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System language
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English, other (customizable)
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Video compression format
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H.265/H.264 compression format
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OSD
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Character superposition function, support time and date, vehicle ID and other information image superposition
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GUI
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graphic interface
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System parameters can be set through external display and remote control operation
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Video and recording system
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Video input
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4CH video inputs (aviation plug interface), 1.0Vp-p, 75Ω
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Video output
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1CH mixed video output (Can be changed to VGA output), 1.0Vp-p, 75Ω
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Preview function
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Single-channel or multi-screen splicing preview, support manual/event trigger full-screen display function
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Video resolution
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4CH machine supports 1080P/720P/D1/CIF optional, and the maximum can support 4 channels 1080P
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Record mode
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Default automatic recording, support ACC recording, manual recording, alarm recording, etc.
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Audio
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Audio input
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4CH，aviation plug
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Audio output
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1CH，aviation plug
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Format
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G711a compression format
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Alarm input
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4CH alarm inputs, with alarm linkage function
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Alarm Output
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1CH output
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Positioning
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Support built-in GPS/BD(GPS/GLONASS) module
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sensor
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Support built-in acceleration sensor
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Network
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4G
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Support built-in 4G function
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WiFi
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2.4Ghz, 802.11 b/g/n
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Video storage
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SD Card
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Maximum support 1x512G SD card, loop recording
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File format
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H.265/H.264
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Video playback
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Video search
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Search for recording video files by recording time, recording mode, etc.
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Playback
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Support multi-channel synchronous playback, support fast forward and fast reverse, support 2, 4, 8, 16 times speed optional
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upgrade
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Firmware upgrade
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Support SD Card/U disk Upgrade, Support Network upgrade
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Power
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Power management
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Adaptive wide power Voltage input, with protection functions such as overload, overvoltage, undervoltage, short circuit, and reverse connection;Support timing power on/off , delayed power on/off function
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Input voltage
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DC:8 ~ 36V
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Consumption
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Normal work maximum：5W，standby：0.5W
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working environment
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temperature
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-20℃ to +70℃
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humidity
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20% to 80%
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Safety management
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Password access
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Two-level management of user password and administrator password
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Other
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Size：
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153(W) x35(H) x121(L) mm
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***** If the above parameters are changed, please refer to the actual product *****
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4G Model
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Country
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4G Frequency band
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1
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China, Thailand, Indonesia, India, Vietnam, the Philippines, Saudi Arabia, Bonaire Island, Aruba, curacao, Azerbaijan, Bhutan, Brunei, Cambodia, Hong Kong, Kazakhstan, Pakistan, the Philippines,
Sri Lanka, Israel, Egypt
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GSM:900/1800
WCDMA:B1/B8
FDD_LTE:B1/B3/B5/B8
TDD_LTE:B38/B39/B40/B41
TD-SCDMA:B34/B39
EVDO/CDMA:BC0
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2
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Malaysia, Singapore, Taiwan, britain, Russia, Djibouti, Somalia, Morocco, South Africa, the republic of korea, Uzbekistan, Mozambique
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GSM:900/1800
WCDMA:B1/B8
FDD_LTE:B1/B3/B7/B8/B20/B28
TDD_LTE:B38/B40/B41
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3
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Chile, El Salvador, Mexico, Peru
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LTE-FDD:B2/B4/B5/B7/B8/B28
LTE-TDD:B40
WCDMA:B2/B5/B8
GSM:850/900/1800/1900
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4
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U.S.A
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LTE-FDD:B2/B4/B5/B12/B13/B17/B25/B26
LTE-TDD:B41
WCDMA:B2/B4/B5
CDMA&EVDO:BC0/BC1
GSM:850/1900
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5
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Brazil
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FDD
LTE:B1/B2/B3/B4/B5/B7/B8/B17/B20/B28
TDD LTE:B34/B38/B39/B40/B41
WCDMA:B1/B2/B5/B8
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***** If there is an unsupported frequency band, please contact the manufacturer *****
1.4 Front panel
1.4.1 Front panel appearance diagram
1.4.2 Front panel function introduction
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Serial
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Name
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Silk Print
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Detailed description
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 1
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Remote receiver
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IR
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Infrared receiver, used to receive remote control signal
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②
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Indicator LED
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PWR
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Power Indicator LED. LED ON when the power supply is normal
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REC
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Video indicator LED. Flashes when recording
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NET
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Network status indicator. The light will always be on when the network connection is successful, and flash when the network is not connected
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GPS
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GPS status indicator. The light is always on when the GPS is working normally, and it flashes when there is no signal
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③
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Electronic locks
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LOCK
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When the electronic lock is locked, MDVR automatically turns on; when the electronic lock is opened, MDVR automatically turns off
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④
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USB port
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USB
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Use to backup files and upgrade firmware version
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⑤
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SD card port
SIM card port
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SD/SIM
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Open the interface baffle through electronic lock, insert SD card and SIM card (network type). When the electronic lock is locked, please do not open the interface baffle forcefully, it will damage the machine
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1.5 Back Panel
1.5.1 Appearance of the Back panel:
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Serial
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Name
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Silk Print
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Description
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①
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AV input Port
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AV1
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1CH audio and video input interface
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AV2
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2CH audio and video input interface
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AV3
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3CH audio and video input interface
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AV4
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4CH audio and video input interface
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②
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AV output Port
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AV OUT
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Standard CVBS audio and video output interface, Can be changed to VGA interface
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③
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Power Port
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PWR
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Power Input port
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④
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I/O Port
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I/O
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4CH Alarm input, 1CH Output
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⑤
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GPS Antenna Port
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GPS
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External Special GPS antenna. It should be placed where without shielding and interference
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⑥
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4G Antenna Port
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4G
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External Special 4G antenna. It should be placed where without shielding and interference
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⑦
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Wi-Fi Antenna Port
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WiFi
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External Special WiFi antenna. lt should be placed where without shielding and interference
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1.5.2 Power interface definition
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Pin definition
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Serial
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|
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definition
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|
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1
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GND
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2
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Power +
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3
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ACC
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4
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NC
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1.5.3 I/O interface definition
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Pin diagram
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Pin definition
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1
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2
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3
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GRAY
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GRAY
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YELLOW
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Alarm input 1
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Alarm input 3
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Alarm output
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4
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5
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6
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GRAY
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GRAY
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BLACK
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Alarm input 2
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Alarm input 4
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GND
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1.5.4 Aviation plug interface definition
There are a total of 5PCS aviation Plug Port on this machine, 4CH audio and video input interfaces are 4pcs x 4pin aviation port, and 1 AV output (or VGA output). ：
The detailed pin definition is as follows：
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4pin aviation port pin definition
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pin
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definition
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1
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+12V
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2
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GND
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3
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Audio Signal
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4
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Video Signal
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