Shenzhen QOHO Electronics Co., Ltd.: Shenzhen, Guangdong, China; Main products: Mobile DVR, Vehicle DVR, Mobile Camera, Vehicle camera, Vehicle equipment system

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Home > Products > Vehicle Mobile DVR > H.264 Harddisk GPS 4G Mobile DVR 4-CH HDD GPS Tracking For Bus / Taxi /Police car

H.264 Harddisk GPS 4G Mobile DVR 4-CH HDD GPS Tracking For Bus / Taxi /Police car

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Product Details

Place of Origin	Guangdong, China		Brand Name	QOHO
Model Number	QH-MDVR8104H, QH-MDVR8104H

Product Description

H.264 Harddisk GPS 4G Mobile DVR 4-CH HDD GPS Tracking For Bus / Taxi /Police car

Description:

4/8 channel video & audio synchronous real-time recording and playback

4ch D1@25fps; 6ch D1@25fps, 8ch HD1@25fps , 8ch CIF@25fps options.(PAL)

Built-in 2.5 inch HDD/SSD, supports max 1TB, Professional hard disk damping technology.

3G/4G network , such as HSUPA/HSDPA/WCDMA/EVDO is selectable.

Built-in GPS module.

Built-in G-sensor

External WIFI special interface.

Built-in 1 SD card for backup recording when HDD/SSD errors.

2 high speed USB2.0 interfaces, the front is used to export record file. The back is use to mirror recording for waterproof and fireproof.

8 digital alarm inputs, 2 digital level output.

3 RS485 interfaces, 1 RS232 interface.

Built-in hard disk heating technology. It can be worked in -25℃~+70℃.

Power supply: 8V~36V

It can install all kinds of vehicles, such as, taxi, bus, school bus, truck, trailer, car, SUV, ambulance and so on.

Product Technical parameters:

System	language		Chinese/ English
	Operation system		Linux
	Operation interface		Graphical User interface(OSD menu)
	Password		User /Admin password
	Control mode		IR remote control
Video	Video input		4-ch video composite input
	Video output		1-ch composite output
	Display mode		Single/ 4-ch video
	Video compression		H.264 Main profile PAL:100f at D1/s, NTSC: 120f at D1/s
	Video Signal		NTSC,PAL
Audio	Audio input		4-ch audio input
	Audio output		1-ch audio output
	Recording mode		Audio & Video sync Recording
	Phone		Support IP call and analog voice call
Image processing & storage	Image format mode		CIF/HD1/D1 optional
	Video stream Standard		ISO14496-10
	Video bitrate		CIF: 1536Kbps ~ 128Kbps,4 levels optional. Highest:0 level; Lowest: 3 level HD1: 2048Kbps ~ 512Kbps,4 levels optional. Highest:0 level; Lowest: 3 level D1: 4Mbps ~ 1Mbps,4 levels optional. Highest:0 level; Lowest: 3 level
	Audio Bitrate		8KB/s
	Storage		Built-in a SATA HDD, support HDD Max 1TB; And built-in a SD card, Support SD card Max 128GB;
Alarm	Alarm input		8 alarm input, below 4V is low level alarm, above 4V are high level alarm
	Alarm output		2 alarm output, output high level:12V
Communication Interface	RS485 Interface		Support 3-RS485 interface
	RS232 Interface		Support 1-RS232 interface
	WIFI Interface		Support 802.11b/g/n,2.4G internal or5.8G external WIFI
USB interface	Include 2 USB interfaces,1 USB interface connect with external Vehicle Black data box, another USB interface to upgrade software and copy data.
Audio&Video interface	Support Audio and Video output
Acceleration Sensor	Built in acceleration G-Sensor
Module	GPS	GPS module. GPS Graph and GPS speed can be read in coding flow, and can beuploadedvia wireless
	3G/4G	HSUPA/HSDPA/WCDMA/EVDO Optional or FDD-LTE/TDD-LTE Optional
	WIFI	Support 802.11b/g/n,2.4G internal or5.8G external WIFI
Software	PAS(Playback Analysis Software)	Playback Recording on PC, and analyze the vehicle recording information.
	CMS(Center Management Software)	Center management software to meet Video preview, upload and central command and parameters configuration, etc.
	Software upgrade	U-disk upgrade directly.

MDVR Electric Specifications

Items	Parameters	Specifications
Power input	8—36V	Input voltage:+8V~+36V, When long-term under 8V, or long-term over 36V, Auto power off, enter protected mode.
Power output	12V	12V(+/-0.2V), Max:3A.
Power-off working time	8S	If main power supply is off, MDVR can continue running 8 seconds. If connect built-in Patent UPS power-supply, MDVR can continue running 30 minutes.
Vehicle key signal	≤4V	OFF
Vehicle key signal	≥5V	ON
Video input impedance	75Ω	75Ω for each video input impedance
Video output Volt	2Vp-p	Input 2Vp-p CVBS analog signal, reveal device input need 75Ω impedance to fit
I/O interface	0—4V	Low level alarm
I/O interface	4V above	High level alarm
	-4V below	Negative voltage alarm
Operating Temperature	-25℃-85℃	Under well-ventilated environment condition.
Body Dimension	186(W)mm x 61(H) x 192(L)mm

WE have got good reputation from all over the world.

INTERSEC dubai,MIPS Moscow,ISAF turkey,Securex Poland.etc.....

Installation picture

CMS server(Center Management Software)

CMS viewer( Remote Live view in realtime recording)

PAS(Playback Analysis Software)

E-mark for E-9 certificate

CE FCC ROHS

Temperature&humidity&Shock test

FAQ:

Q: What can I do when I found a problem with the product, but I can not solve it by myself?
A: Take note of the model and software version number, then submit a detailed description of the problem to the technical supporting engineers to analyze; the more detailed you have submitted, the more convenient for us to analysize.

Q: How about when there is no video output from the vehicle host device?
A: 1.Check the host’s turn-on status, if only a blue light on, it means the host is in standby status and has not been started up yet, meanwhile check whether the host’s power cords red & yellow cords are in power supply status or not, if only one cord is supplying power, the device is unable to start up.
2.Check the power supply status of display screen, as well as check whether the display video has been switched to AV status.
3 Check the connecting status between the host’s video output cable and display screen.
4 check whether the lock status of the host’s LOCK, it must be locked before normal starting up.

Q: How to do when the car host video input interface is different from the camera output interface?
A: The car uses 4PIN type while camera uses BNC or aviation head type, if not in correspondence, please use conversion head for connection or wiring based on standard corresponding according to the cable sequence defined by the car host.

Q: How to do when the device does not conduct video recording after it is turned on and SD card has already been installed?
A: 1.Check whether the SD card has been formatted or not after installation, because unformatted SD card cannot be used. Enter System Menu - System Tools - Device Format to format the newly installed SD card;
2. Check to see whether video channel is closed or not, whether set a timer recording or not, it will not take video when it is not within the video recording time period.
3.Check the SD card inserting status and whether the SD light on front panel is on or not.

Q: The video file is missing or there is no video file within a certain period of time, how to do?
A: 1. Determine the time period by analyzing the final video file before missing and the first video file after recovery.
2. Confirm whether the host is not on during that period of time, such as when the driver halfway parking, loading and unloading goods while the host is not set by video delay.

Q: When car PTZ cannot be controlled, it cannot rotate up and down, how to do?
A: Check whether PTZ protocols and baud rate are set correct, address codes are corresponding or not, whether have selected to maximize the video of the channel when control the PTZ, for example, when control the second channel, it must maximize the screen of the second channel image to control it.GPS-related issues.

Q: GPS module exists but no coordinate information?
A: 1.Check whether GPS module exists, if it does not exist, check whether the hardware is installed or in a good contact.
2.Make sure that the GPS antenna contacts are good, whether the antenna is broken, it is recommended to be located in places with strong signal, note that some car glass shielding film will block GPS signals;
3 If the test is in the room, the signal of GPS antenna in the room will be obscured, it is recommended that the GPS antenna is placed outdoor.

Contact Us

Shenzhen QOHO Electronics Co., Ltd.: Contact nameJanise Jiang
Chat Now; Phone86-755-88832758; AddressShenzhen, Guangdong, Shenzhen, Guangdong

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Product Categories

720P 1080P HD mobile camera	Car Black Box Recorder	CAR DVR	Mobile Car Camera
Mobile DVR accessories	Mobile DVR software	Mobile monitor	New Products
Police Mobile DVR	Vehicle CCTV Camera	Vehicle IP camera	Vehicle Mobile DVR

H.264 Harddisk GPS 4G Mobile DVR 4-CH HDD GPS Tracking For Bus / Taxi /Police car

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