mobile dvr for vehicles Meitrack MD522S
Dual SD Card Mobile DVR for Vehicles
MD522S is a 4-channel Dual SD Card Mobile DVR for Vehicles. Adopting the high-performance processor and Linux operating system, it is a core product of new-generation wireless vehicle video surveillance solutions that uses H.264 video compression/ decompression, GPS positioning and wireless data transmission technologies. The device is specially designed for mobile video surveillance for different types of vehicles, such as buses, long-distance coaches, taxis, logistics vehicles, armored cars, private cars, etc.
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666 Support GPS/ GLONASS/ BeiDou/ 3G/ 4G/ WiFi 666 4-channel 720P live video recording, support automatic overlaying of recording
666 Support video searching, playback and downloading via the platform 666 OSD overlay for video recording
666 Front and rear panel video/audio outputs for easy connection and configuration 666 8-36V wide voltage power supply, low power consumption
666 Support the SOS, speeding, cornering, blind spot, Geo-fence, and video signal loss alerts 666 Support fuel level sensor, temperature sensor, RFID, iButton, LED screen, etc.





How to Install MD522S




Dimension 145 mm x 145 mm x 54 mm Weight 850g
Power input DC: 8V–36V/A Power consumption Start the host audio and video: about 6.6 W
Single MCU: 45mA
Connect a camera: 120–200 mA (day); 400–600 mA (night)
Operating temperature -20°C to 70°C Video input 4-channel 720P live video recording and playing
Video output 1-channel CVBS Compression standard H.264
Image display Support one-image and four-image display Audio compression G.726
Audio input 5-channel audio input; 4-channel AV-IN interface; 1-channel voice intercom
interface; 1-channel handle interface
Audio output 1-channel independent audio DC blocking output (CVBS aviation connector);
1-channel handle interface
Recording search and playback Search and play back videos based on the channel, recording type, or time. Recording method Simultaneously record the ACC, alert, sound, and video.
 WiFi  802.11 b/g/n; frequency: 2.4 GHz  GPS/GLONASS Detect the insertion, pull-out, and short circuit of the antenna.
Storage medium 2 SD cards 3G/4G MD522S-E
2G GSM: B3(1800)/B8(900)
3G WCDMA: B1(2100)/B5(850)/B8(900)
4G FDD: B1(2100)/B3(1800)/B5(850)/B7(2600)/B8(900)/B20(800)
4G TDD: B38(2600)/B40(2300)/B41(2500)
3G WCDMA: B2(1900)/B4(1700/2100)/B5(850)
4G FDD: B2(1900)/B4(2300)/B12(700)
2G GSM: B2(1900)/B3(1800)/B5(850)/B8(900)
3G WCDMA: B1(2100)/B2(1900)/B5(850)/B8(900)
4G FDD: B1(2100)/B2(1900)/B3(1800)/B4(2300)/B5(850)/B7(2600)/
4G TDD: B40(2300)




Accesories MD522S MDVR Power & ACC cable I/O cable USB cable
GPS antenna 3G/4G antenna WiFi antenna SD card lock key
CD download card
Optional Accessories 4 cameras SD card Display Microphone & speaker
Ultrasonic fuel level sensor RFID reader LED display