MEITRACK MD822S MDVR User Guide
Copyright © 2020 Meitrack Group All rights reserved.
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Audio input
8-channel camera Mic input. The audio function is required for the camera.
1-channel handset input
1-channel 3.5 mm headphone jack input (GSM audio interface)
Audio output
1-channel independent audio DC blocking output (connected to the AV-OUT
interface, VGA aviation connector, or handset interface)
1-channel 3.5 mm headphone jack output (GSM audio interface)
Video 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.
Storage medium
2 SD cards
Communication
and positioning
3G/4G
MD822S_GE4PG3W1
2G GSM: B3(1800)/B8(900)
3G WCDMA: B1(2100)/B8(900)
4G FDD: B1(2100)/B3(1800)/B5(850)/B7(2600)/B8(900)/B20(800)/B28A(700)
MD822S_GA4PG3W1
3G WCDMA: B2(1900)/B4(1700/2100)/B5(850)
4G FDD: B2(1900)/B4(1700)/B12(700)
MD822S_GV4PG3W1
4G FDD: B4(1700)/B13(700)
MD822S_GAU4PG3W1
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(1700)/B5(850)/B7(2600)/
B8(900)/B28(700)
4G TDD: B40(2300)
MD822S_GJ4PG3W1
3G WCDMA: B1(2100)/B6(850)/B8(900)/B19(800)
4G FDD: B1(2100)/B3(1800)/B8(900)/B18(850)/B19(850)/B26(850)
4G TDD: B41(2500)
WiFi
802.11 b/g/n; frequency: 2.4 GHz; support AP/STA mode.
GPS/GLONASS
Detect the insertion, pull-out, and short circuit of the antenna.
Protocol
Protocol supported
Meitrack protocol
Software upgrade Upgrade mode
Manual upgrade
Upgrade method
(1) Plug the USB flash drive with the firmware into the USB port to automatically
upgrade the device (or connect the device to the computer through the debug
interface and then start Meitrack Manager software to upgrade the device).
(2) Use the LAN web page to upgrade the firmware (WiFi or Ethernet).
(3) OTA update.
Others
Power input
DC: 9–36 V; rated input: 12V/3A
Power consumption Start the host audio and video: about 8W
Connect 8 cameras: about 24 W in the daytime (a display connected: 29 W);
about 32 W at night (a display connected: 37 W)
Connect a single camera: 50–100 mA in the daytime; 200–250 mA at night