MD811H

MD833H
MD833H 8CH HDD/SSD AI MDVR

  • 8CH 720/1080 pixel AHD Cameras

  • ADAS/DMS/BSD for Option

  • Flexible Configurable I/O

  • 2TB HDD/SSD + 512GB SD

  • Data Protection

In today’s transportation and logistics industry, ensuring safety, compliance, and real-time visibility is no longer optional—it’s essential. The Meitrack MD833H 8CH AI MDVR is purpose-built to meet these demands, providing advanced video surveillance and intelligent driver-assistance features for fleets of all sizes. With support for up to 8 AHD cameras in 720P/1080P, the MD833H delivers crystal-clear coverage inside and outside the vehicle. Its AI-powered functions—including ADAS (Advanced Driver Assistance), DMS (Driver Monitoring System), and BSD (Blind Spot Detection)—proactively reduce risks by alerting drivers to potential hazards. Designed for reliability, it offers dual storage protection with up to 2TB HDD/SSD plus 512GB SD backup, ensuring that critical footage is never lost. Seamless 4G LTE, WiFi, Bluetooth, and GNSS connectivity enable real-time monitoring, precise positioning, and efficient fleet data management. More than just a recorder, the MD833H is an all-in-one solution that empowers fleet operators to protect drivers, safeguard assets, and streamline operations.

Features

  • 8CH 720p/1080p AHD cameras
  • ADAS/DMS/BSD for option
  • Flexible configurable I/O
  • 2TB HDD/SSD + 512GB SD
  • Data protection
  • Real-time video monitoring

Specifications

Rated voltage

DC: 11.4V ~ 36V，Rated 12V/4A
Power consumption

Start host video function about 8W.
Daytime: approx 24W connected to 8-way camera, with display. 29W;
At night: about 32W for the 8-way camera, with display approx. 37W;
Connect a single camera (normal range is 50mA~100mA during the day, 200mA~250mA at night)
AI video ADAS, DMS, BSD
SD cards & SSD hard drive

1 x SATA HDD/SSD and 1 x SD card; capacity: 2TB + 512GB (Note: SD card is not available in TF card with card holder)
System operation

Dual system operation, dual communication channels (prevent data loss)
Video input

8 AHD Cameras with D1/720P/1080P arbitrary mixing;
Adaptive camera resolution and standard (PAL and NTSC);

Up to 8x1080P@15fps live recording;
Video output

1 VGA video output (8Pin aviation plug), default resolution 1280*720.
Video output 1 x CVBS aviation plug (level: 1.0Vp-p, impedance: 75Ω);

Resolution: PAL 704*576, NTSC 704*480.
Compression standard H.264/H.265
Image display Support 1,4,8,9 image display
Audio input

8 channels for camera Mic input, requires the camera to support audio;
1 x intercom handle input;
1 x 3.5MM headset input (GSM communication port);
Audio output

1 independent audio isolated output (connected to AV-OUT connector, VGA airhead connector, and intercom handle connector)

1 x 3.5MM headphone port output (GSM communication port)
Audio compression G.726
Video request and playback Retrieve playback by channel, video type, stream type, and time.
Recording method Simultaneously record the ACC, alert, sound, and video.
Wifi 802.11 b/g/n; frequency: 2.4 GHz STA, AP mode
Bluetooth Support protocol BLE5.1 Downward compatible
Positioning mode Supports GPS,BD, Glonass dual mode positioning configuration
Positional accuracy 2.5m
Sensitivity -162 dBm
GNSS antenna Supports antenna insertion/extraction/short circuit detection
SPI memor Built-in 64Mbit for GPRS/SMS/GPS LOG data
Working temperature Without battery: -20°C to 70°C
Sensors 3-axis acceleration sensor (for detecting vibrations and assisting in determining movement stationary state)
I/O port 8 x AV-IN, 8 x Din (Max 8), 2 x Dout (Max 8), 2 x AD (Max 6), 1 x Speed_IN, 1 x 1-wire, 2 x RS232, 2 x RS485, 1 x CAN, 1 x DC_5V, 1 x DC_12V
Dimensions 177 x 162 x 63mm
Weight 1900g (excluding hard drives)
MD833H-A WCDMA: B2/B4/B5 LTE-FDD: B2/B4/B12

Accessories

  • Power & ACC cable
  • I/O cable
  • Camera splitter
  • USB cable
  • WiFi antenna
  • 4G antenna
  • Bluetooth antenna
  • GPS antenna
  • Lock key
  • Hard disk screw
  • CD download card

Optional Accessories

  • ADAS camera
  • DMS camera
  • BSD camera
  • Large metal conch camera
  • Small metal conch camera
  • Waterproof square camera (ACA501)
  • Waterproof square camera (ACA503)
  • Camera extension cable default is 3M or 5 M
  • Bluetooth temperature and humidity sensor
  • Bluetooth beacon (AB401)
  • Bluetooth beacon (AB402)
  • Fuel sensor
  • Digital temperature sensor
  • Ultrasonic fuel sensor (range 100cm)
  • Ultrasonic fuel sensor (range 150cm)
  • Ultrasonic fuel sensor (range 400)
  • Ultrasonic fuel sensor (without AD analogue)
  • Relay
  • iButton
  • RFID
  • High-temperature battery
  • Intercom
  • 7-inch VGA display
  • 7-inch CVBS display
  • Speaker
  • Microphone
  • Connector cable

Certificates

Frequently Asked Questions

When picking a long lasting GPS tracker, think about its battery life, different tracking settings, how accurate it is, and how tough it is. Find trackers that are strong, waterproof, and have magnetic mounts so they are easy to put in place and can handle tough conditions. For instance, the TA255 from MeitrackUSA.com has a waterproof case and magnetic mount, making it good for many situations. Also, check its alert features and if it connects using 4G with 3G/2G as a backup. This will make sure you can always keep an eye on your assets.

How often you update your tracker’s location greatly affects its battery life. If it updates every few seconds, the battery drains much faster because it is constantly using GPS and sending data. But if it updates less often, like once a day, the battery can last for months or even years. Many trackers, including those from MeitrackUSA.com, have different settings. This lets you choose between tracking things in real-time and making the battery last longer. To get the most out of your tracker’s battery, you need to find the right balance for how often it updates its location.

Long-lasting GPS trackers are often made to work well in tough outdoor conditions. For example, the TA255 solar-powered GPS Tracker from MeitrackUSA.com has a strong, weatherproof case. This allows it to handle very hot or cold weather, humidity, and being outside. This makes it great for tracking metal containers that move through different weather and places. Similarly, other asset GPS Tracker are made for heavy equipment and construction sites. They have weatherproof cases and can work for years. These designs mean you can track your items reliably no matter how challenging the environment is.

To track assets well, certain features are really helpful. These include magnetic mounts for easy, hidden attachment and strong, tough designs that last in bad weather. For example, the TA255 from MeitrackUSA.com has both a magnetic system for simple setup and a weather-resistant case to guard against harsh temperatures and elements. Also useful are location systems with multiple technologies for better accuracy, motion sensors for instant alerts, geofencing to set safe areas, and tamper detection to stop theft. Together, these features make asset protection thorough and dependable.

Long-lasting GPS trackers use different communication technologies. Each choice affects battery life and coverage. Cellular options like 4G LTE-M and NB-IoT are widely used. They provide good coverage and save battery, especially for items that stay put and do not need frequent updates. LoRa (Long Range) technology uses very little power and can reach long distances. This makes it good for country areas or remote spots where cell service is limited. Satellite communication works everywhere. This is essential for tracking things in very far-off places without cell service, but it usually uses more power. The technology picked affects how quickly data is sent, how far it can reach, and how long the battery lasts for devices from companies like Meitrack. Choosing the right technology depends on where the item is, how much it moves, and how often updates are needed.