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MEITRACK MD522S User Guide
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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 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)
MD522S-A
3G WCDMA: B2(1900)/B4(1700/2100)/B5(850)
4G FDD: B2(1900)/B4(2300)/B12(700)
MD522S-AU
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)/
B8(900)/B28(700)
4G TDD: B40(2300)
WiFi 802.11 b/g/n; frequency: 2.4 GHz
GPS/GLONASS Detect the insertion, pull-out, and short circuit of the antenna.
Interface AV input 4-channel aviation connector
AV output AV-OUT of 1-channel aviation connector
Voice intercom 1-channel aviation connector
Sensor interface 1 sensor interface. Used to connect a fuel level sensor, a temperature
sensor, or an A61 sensor box.
SD card slot 2 SD card slots; 1 TB
USB port 1 USB 2.0 port (support USB flash drive/keyboard and mouse)
Internet interface RJ45; 10 MB / 100 MB adaptive network interface
Ignition input 1 ACC signal interface
RS232 2 RS232 interfaces
RS485 1 RS485 interface
CAN 1 CAN bus interface
Infrared interface Reserved; 1 built-in infrared receiver
LED indicator 8 LED indicators (SYS/GPS/3G&4G/VLOSS/SD1/SD2/PWR/WiFi)
SD card lock 1 SD card lock
G-sensor Start to Move / Stop Moving detection
Alert input 8 digital inputs
SOS, door side 1, door side 2, turning left, turning right, reversing,
braking, and vehicle speed line
Alert output 3 outputs
AD Reserved; 2 AD interfaces; detect 0–6.6V inputs.
Debug and upgrade interface System debugging and firmware upgrade through a serial port
Protocol Protocol supported Meitrack protocol