MettaX MC904 4G 4 Channel Mobile DVR Owner’s Manual
- June 14, 2024
- MettaX
Table of Contents
MettaX MC904 4G 4 Channel Mobile DVR Owner’s Manual

MC904 is a 4G MDVR that supports 4 channels of 1080p video input. It features a unique design without a hard drive and supports two 512GB SD cards. With its compact size, it is easy to install and transport. The device has an aluminum alloy shell, ensuring good heat dissipation. It supports emergency alarm function, 4-channel digital signal input, 1-channel digital signal output, and 2 RS232 serial ports for connecting various peripherals. Additionally, the device is equipped with built-in AI algorithms, supporting ADAS, DMS, BSD, and 360-degree video stitching. It effectively helps drivers enhance transportation safety and reduce pedestrian and vehicle accidents.
Key Features

4-CH camera
The device could supports 4 channel camera simultaneous working.

Al algorithm
The device supports DMS, ADAS and BSD three algorithms

Built-in WIFI
WIFI can be used as WiFi Hotspot.
Multiplex Input and output
Support up to 4 digital input interfaces, 1 digital output interface, 2 RS232 interfaces. External devices such as RFID reader, fuel sensors and PTZ can be integrated.

H.265/H.265 encode and large memory
H.265/H.264 encoding and decoding to improve the memory space utilization. Mini size as no hard Disk. Supports 2 maximum 512GB SD card.

Convenient operation
Configured with a graphical menu operation interface, you can use the mouse or the remote control to config- ure the parameters.
Product specifications
Hardware
| Operation System | Linux | 
|---|---|
| CPU | A9 Dual-Core processor@1.4GHz | 
| CPU Memory | DDR3 4GB | 
| GNSS | GPS+BDS(with external G-mouse) | 
| Memory | SD card(Max. 512G)*2 | 
| G-sensor | 3-axis acceleration and 3-axis gyroscope sensor | 
| Speaker | √ | 
| Mic | √ | 
| Sim card | Standard sim | 
| LED | Power(Red), GPS(Green), 4G(Green), WiFi(Green) | 
SD(Green), HDD(Green), IR(GREEN)
Alarm I/O| 4 input, 1 panic button. 1 output.
communication interface| 2 RS232 port or 1 RS485 port and 1 RS232
Other| 1-channel voice intercom interface, which can connect the
voice handle  
Camera
| Video | 4-CH CVBS,1.0Vp-p, 75Ω, 1080P | 
|---|---|
| ADAS | Lane departure, Pedestrian detection, | 
vehicle distance detection, etc
DMS| Fatigue driving, smoking, and unsafe driving habit test, etc.
BSD| Left blind area, right blind area detection.
360 degree| 360-degree panoramic view
Video encoding| H.264/H.265, default H.264
Video resolution| Encoding capacity for all cameras combined reaches a
maximum of 1080P at 100 frames per second.
Encoding capacity for all cameras combined reaches a
maximum of 1080P at 120 frames per second.
Compression format| G.711A  
Network
4G LTE
MC904-EU| FDD LTE: B1/B3/B5/B7/B8/B19/B20
TDD LTE: B38/B39/B40/B41 (100M)
WCDMA: B1/B2/B5/B8
GSM: 850/900/1800/1900MHz
MC904-American| FDD LTE: B2/B3/B4/B5/B7/B12/B18
TDD LTD: B38/B41(100M)
WCDMA: B2/B4/B5
GSM:850/1800/1900MHz
WIFI| 2.4GHz, 802.11 b/g/n
Protocol| JT/T808-2011, JT/T808-2019
JT/T1076-2016, JT/T1078-2016  
Others
| Power supply | DC: +9V ~ +36V | 
|---|---|
| Operation Temperature | -20℃ to +70℃ | 
| Operation Humidity | 20% to 80% | 
| Net weight | 450g | 
| Dimension | 195mm183mm60mm | 
| Certification | CE/FCC | 

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