system: Linux

language: English, Chinese, Hungarian, other optional

Operation Mode: User interface, controller, mobile app, network

CPU: Novatek NT98323

Internal Memory: DDR3 4GBIT Flash 128M Nand

Power consumption: Bare device: ≤4w

Fully functional: ≤60w
Applicable vehicles (power supply): 8~36V voltage vehicle can run, optional additional UPS (battery) support, different capacities can be selected 1-3 hours

Voltage input:
1.The input voltage is +8V to +36V. If the voltage is lower than 8V or higher than 36V for a long time, the device will automatically shut down and enter protection mode.

12V output:

The output voltage is 12V (+/- 0.2V) and the maximum current is 3A.

5V output:

The output voltage is 5V (+/- 0.2V) and the maximum current is 1A.

Preview function:Supports 8-screen splicing for preview, which can be event-triggered to switch between full-screen and splicing display.

Frame rate1080P: maximum 120 frames/sec 720P: 240 frames/sec NTSC: 240 frames/sec Single channel maximum: 30 frames/sec

ResolutionSupports 1080P, 720P, and D1 encoding formats.

Picture quality level1 to 7 levels can be configured, where level 1 is the best and level 7 is the lowest.

Code rate (Bitrate) OptionsD1: 512, 768, 1024 (three levels optional) 720P: 1024, 2048, 4096 (three levels optional) 1080P: 2048, 4096, 6144 (three levels optional)

5x7F*2.7V:

1. Power on and charge, and it will be fully charged in 3 minutes. Even if the external power fails, the system can still operate for 10 seconds and continue to complete data saving and shutdown.
2. To ensure that the device does not restart when the input power is unstable.
3. Built-in UPS polymer battery optional (1-3 hours), built-in interface and fixed position as standard configuration

Car Key (ACC) Signal：

≤6VThe car key is off

≥7VThe car key is on

The system supports three memory slots (two SD, one TF, max 512GB each) plus an optional 1TB Msata/SSD. Storage uses the H.265/FAT32 format and includes loop recording (oldest files are deleted), along with flexible modes such as SD loop with TF mirroring. 

Recording is on by default and supports manual, alarm, timed, and mirror modes. You can search videos by time, type, or storage. Playback is local, can handle up to 4 simultaneous channels with vehicle data analysis, and offers standard controls plus fast forward/rewind up to 16×.

RS232/458:

2xRS232, 1xRS485

Can connect alcohol detection sensor, tire pressure detection sensor, LED control panel and other peripherals through preset interface

USB:

Usb2.0, the front USB shell is used for data export and upgrade

1-wire support for I Button

The system offers robust video management through its CMS platform, supporting download, playback, and history tracking. For enhanced security, stored video is kept in an encrypted format and requires the dedicated MDVR player software for secure decryption and playback.

Built-in global positioning system (GPS) module and antenna, which can realize real-time positioning, speed detection, GPS time synchronization, and report location information to the CMS platform in real time, facilitating fleet management

The system is compatible with 3G, 4G, and 5G networks via optional modules. It supports global standards including EVDO, TD-SCDMA, WCDMA, TDD-LTE, and FDD-LTE for flexible data connectivity.

Optional built-in WIFI module and antenna

WiFi makes MDVR menu settings simple, eliminating the need for a remote control Support wireless video download

802.11b/g/n/ 2.4G/5.8G optional

RJ45 Network:

1 × RJ45 for expansion connection of IPC camera

USB interface:

2 USB 2.0 ports, front panel for downloading video files and upgrading firmware; rear panel for backing up records and connecting to firebox

6*I/O Alarm output（12V/GND）
Can receive level signals such as turn signal to trigger alarm

Monitoring function:

You can use the CMS platform to initiate monitoring broadcasts

Automatically correcting and doing not limit the installation direction of the equipment

Model

QH-MDVR8204SH

Item

Working Parameter

Specification details

Power Input

8-36V

1. The input voltage is +8V～+36V, if the voltage is lower than 8V or higher than 36V for a long time,the device will automatically shut down and enter the protection mode.
2. Pure step-down power supply, the system is divided into two power supplies (camera and system power supply are independent)

Output Voltage

12V OUT

Output voltage is 12V(+/-0.2V),The maximum current is 3A.

5V OUT

Output voltage is 5V(+/-0.2V),The maximum current is 1A.

Car Key(ACC）Signal

≤6V

The car key is off

≥7.5V

The car key is on

Built-in UPS

5x5F*2.7V

1. Power on and charge, and it will be fully charged in 3 minutes. It is still keep the system working for 10s when the external power failure,also continue to complete data saving and shutdown.
2. To ensure that the device will not restart when the input power supply is instability.
3. Built-in UPS polymer battery is optional (1-3 hours), built-in interface and fixed position are standard-optional

Power Consumption

Bare Device

≤4W

Full Function

≤60W

System Parameter:

System Performance

Operation System

Linux

Operation Mode

UI 、controller、cellphne APP、WEB

CPU

Novatek NT98323

Processor Core

DUAL CA9

Internal storage

DDR3 4GBIT*2 Flash128M Nand

Audio Parameter:

Vedio Input/Output

Input：Eight channels AHD  Output:CVBS+VGA

Image recognition

can integrate AI algorithm ADAS\DMS\BSD

Video and Preview

OSD

OSD character superposition, such as date, time, channel ID, GPS, license plate number, etc.

Video compression format

H.264/H.265

Dual streaming

Support

Preview function

1. 8-screen splicing can be preview, supporting event-triggered full-screen and splicing switching display functions.

Frame rate

1080P: maximum 120 frames/sec; 720P: 240 frames/sec, single channel maximum 30 frames/sec; NTSC: 240 frames/sec

Resolution

Support 1080P, 720P, D1 encoding formats.

Picture quality level

1 to level 7 video can be configured, the best level 1 and the lowest level 7

Code rate

D1: 512,768,1024 three levels optional)

720P: 1024, 2048, 4096, three levels optional

1080P: 2048, 4096, 6144, three levels optional

Audio

Audio Input/Output

4 channels audio input, 1 channel audio output

Compression Format

Support G.726, G711 code

Video/storage parameter:

Record

SD card

Four memory card positions: two SD cards, one TF card, maximum support 256G

capacity, MSATA support 1TB.

Storage time description

Video quality

1080P (8 channels)

720P (8 channels)

D1 (8 way)

Video Method

Support allocation flow setting, priority setting for each storage space

Video Detect

according to the recording time, recording type, recording storage device, etc to search

File Format/system

H.265/FAT32

Video Mode

Default boot recording, support manual recording, alarm recording, timing recording, mirroring recording, etc.

Vieo Search

According to the recording time, recording type, recording storage, etc to search

Video Playback

Support local playback, up to 4 channels of simultaneous playback, and analyze the vehicle information in the file at the same time

Support fast forward, fast rewind, play, pause control, support 2, 4, 8, 16 times speed fast forward or rewind, support time selection playback control

Internet, location prameter:

Network

3G/4G/5G

EVDO/TD-SCDMA/WCDMA/TDD-LTE/FDD-LTE, etc

WIFI

802.11b/g/n/ 2.4G/5.8G optional

Internet

Ethernet

1 RJ45 interface, can be extended to connect to the IPC

Position

GPS/BD

Positioning, speed detection, time synchronization,

Extended interface parameters:

Interface

USB

USB2.0, the front shell USB is used for data export, upgrade use

SD

2 x SD card slot, 1 x TF card slot

MSATA

One MSATA storage interface is supported

SIM

SIM 1 x SIM card slot, flow card slot

Serial Port

Serial port 2 x RS232, 1 x RS48

Switching value

Switch value 8 inputs, 2 outputs

1-wire

1 wire support iButton

Intercom

can choose to dock the microphone function, wire changes

WIFI-ANT

WIFI antenna interface

4G-ANT

4G antenna interface

GPS-ANT

GPS antenna interface

G-sensor

Automatic correction

Uncertain XYZ installation direction, automatic correction after driving

Size

135*116*43mm