4ch Mobile DVR


H.264 video compression
Up to 4CIF resolution recording
2x2.5-inch SATA interfaces
Patented hard disk vibration-proof and bracing technology
Built-in 3G (WCDMA/cdma2000) module (optional)
Built-in GPS module
Model DM-2804
Video/Audio Input Audio Input: 4-ch
Video Compression H.264
Analog Video Input: 4-ch
PAL/NTSC Adaptive: Support
Video Input Interface Aviation Connector (1.0 Vp-p, 75Ω)
Audio Compression: G.711
Audio Input Interface Aviation Interface (linear electrical level, 1 kΩ)
Two-way Audio 1 Aviation Interface (Linear electrical level, 1KΩ)
Compression resolution: Channel1-2: 4CIF / 2CIF / CIF 
Video/Audio Output Video output: 1-ch, Aviation Interface(1.0Vp-p, 75Ω)
Frame Rate: PAL: 1~25 fps, NTSC: 1~30 fp
Video Bit Rate: 32Kbps~2048Kbps, or user-defined
Stream Type: Video/Video&Audio
Audio Output: 1-ch Aviation Interface (Linear electrical level, 600Ω)
Audio Bit Rate: 16kbps
Dual Stream: Support
Hard Disk
Interface Type 2 SATA Interfaces
Capacity: support 2.5” SATA HDD/SSD
Technical Patent: Patented hard disk vibration reduction technology
External Interface SD Card Interface: Support 1 SD/SDHC card for recording
Network Interface 1 RJ45 10M/100M adaptive Ethernet Interface
3G antenna interface 2 antennas, SMA interface
Alarm Input 3-ch high/low-level signal input
Alarm Output: 2-ch
GPS: Build-in GPS module
SIM/UIM: 1 standard SIM/UIM slot
Driving Information Collection: 4-ch high/low-level signal input, 1-ch pulse signal input(reserved)
General Power Supply: Input: +6 ~ +36 VDC; Output: +12 VDC / 2A, +5 VDC / 2A
Consumption: ≤ 10W
Working Temperature -15 oC  ~ +55 oC (5 oF ~ 131 oF)
Working Humidity 10% ~ 95%
Dimensions 236 × 210× 73 mm (9.3 × 8.3× 2.9 in)
Weight: ≤ 3 kg / 6.6 lb


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