SD storage 4-Channel Dual MDVR With Built-in GPS, 3G / 4G

4G frequency:

Operating Band

Tx

Rx

LTE Band V

824 MHz – 849 MHz

869 MHz – 894 MHz

LTE Band VIII

880 MHz – 915 MHz

925 MHz – 960 MHz

LTE Band VII

2500 MHz – 2570 MHz

2620 MHz – 2690 MHz

LTE Band XX

832 MHz – 862 MHz

791 MHz – 824 MHz

GPS L1

-

1574.42 MHz – 1576.42 MHz

GLONASS

-

1597.55 MHz – 1576.89 MHz

RF bands of ME909u-521

Operating Band

Tx

Rx

LTE Band I

1920 MHz – 1980 MHz

2110 MHz – 2170 MHz

LTE Band II

1850 MHz – 1910 MHz

1930 MHz – 1990 MHz

LTE Band V

824 MHz – 849 MHz

869 MHz – 849 MHz

LTE Band VIII

880 MHz – 915 MHz

925 MHz – 960 MHz

GSM 850

824 MHz – 849 MHz

869 MHz – 849 MHz

GSM 900

880 MHz – 915 MHz

925 MHz – 960 MHz

GSM 1800 (DCS)

1700 MHz – 1785 MHz

1805 MHz – 1880 MHz

GSM 1900 (PCS)

1850 MHz – 1910 MHz

1930 MHz – 1990 MHz

LTE Band I

1920 MHz – 1980 MHz

1930 MHz – 1990 MHz

LTE Band II

1850 MHz – 1910 MHz

1930 MHz – 1990 MHz

LTE Band III

1710 MHz –1785 MHz

1805 MHz – 1880 MHz

System

language

Chinese/ English

Operation system

Linux

Operation interface

Graphical User interface(OSD menu)

Password

User /Admin password

Control mode

IR remote control

Video

Video input

4-ch video composite input

Video output

1-ch output

Display mode

Single/ 4-ch video

Video compression

H.264 Main profile

PAL:100f at D1/s, NTSC: 120f at D1/s

Video Signal

PAL, NTSC

Audio

Audio input

4-ch audio input

Audio output

1-ch audio output

Recording mode

Audio & Video sync Recording

Image processing & storage

Image format mode

CIF/HD1/D1 optional

Video stream Standard

ISO14496-10

Video bitrate

CIF: 1536Kbps ~ 128Kbps,

HD1: 2048Kbps ~ 380Kbps,

D1:  2048Kbps ~ 400Kbps

8 levels optional. Highest:1 level; Lowest: 8 level

Audio Bitrate

8KB/s

Storage

Support Dual SD card, Max 64GB(single),total 128GB;

Alarm

Alarm input

4 alarm input, below 4V is low level alarm, above 4V are high level alarm

Alarm output

2 alarm output, output high level:12V

Communication Interface

RS485 Interface

Support 2-RS485 interface

RS232 Interface

Support 1-RS232 interface

Extended interface

announce

support extended announcer or LED panel

SPEAK

SPEAK+,SPEAK-

Acceleration Sensor

Acceleration G-Sensor(optional)

Module

GPS

GPS module. GPS Graph, GPS speed etc can be read in coding flow,and can be uploaded via wireless

3G/4G

WCDMA / EVDO/HSPA(TD-SCDMA) module

WIFI

Built-in WIFI(can't support)

Software

PAS(Playback Analysis Software)

Playback Recording on PC, and analyze the vehicle recording information.

Software upgrade

Upgrade via SD card directly.

Vehicle key signal

≤4V

OFF

≥5V

ON

Working environment

Working voltage

Input voltage DC8V-36V,enter into protected mode if it’s not in the range.

Power output

Output voltage 12V(±0.2V),Max: 2A

Input impedance

75Ω for each input impedance

Working temperature

 -25℃-85℃

Working humidity

20%-95%

Body Dimension

154x125x45(mm)