DM-2804

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DM-2804

View Full-Size Image	DM-2804 4 ch H.264 Mobile DVR. Professional Design for mobile surveillance. Support SD Card, mobile EVDO internet and suitable for reach requirement for transport vehicle, taxi or private cars.
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Overview

H.264 video compression algorithm and each channel support 4 CIF resolution
Embedded MPUDM2104infspc
Real time operating system
Support SD Card Storage
Special technology of wide range power input (DC+6V~+36V), which fit into vehicle's fluctuated power system
Shutdown delay after ignition off (from 5min to 6h)
24 hours auto power on/off
Support USB 2.0 port for backup
Built in network internet wireless module : EVDO, WCDMA, CDMA
GPS module with integrated GPS data recording
Build in G-sensor for recording driving information
8-ch driving status alarm input, 2-ch relay (or dry contact) output
Low power consumtion with exquisite and portable design

Model	DM-2804
Video compression	DM2104infspcH.264DM2104infspc
Preview resolution	PAL:704×576 (4CIF); NTSC: 704×480 (4CIF)
Playback resolution	4CIF/DCIF/2CIF/CIF/QCIF
Video input	4-ch
Video input	(PAL/NTSC adaptive; 1.0Vp-p, 75?)
Video output	1-ch, (PAL/NTSC adaptive; 1.0Vp-p, 75?)
Frame rate	4CIF: 6fps DCIF: 12fps 2CIF: 15fps CIF/QCIF: 25(P)/30(N)
Video bit rate	32K~2M adjustable, or user-defined, Max. 8Mbps
Audio compression	OggVorbis, 16Kbps
Audio input	2-ch
Audio input	(2.0~2.4Vp-p, 1k?)
Audio output	1-ch (2.0~2.4Vp-p, 600?)
Stream type	Video/Video&Audio
Alarm in	7-ch electrical level signal input 1-ch pulsing signal input
Alarm out	2-ch relay(or dry contact) output
Wireless network	Support external wireless module, such as EVDO, WCDMA, CDMA and so on
GPS	Build-in module, 1 SMA antenna interface
SD card interface	Support 1 SD card for recording & backup
USB interface	1, USB 2.0 for backup
Communication interface	1 RJ45 10M/100M adaptive Ethernet interface, 1 RS-485 interface, 1 USB interface
Power-off Delay	Shut down delay after ignition off (from 5min to 6h)
Power input	6~36V adaptive
Power output	DC 12V/5V, build-in resettable fuse
Consumption	?5W(without SD cards)
Working temperature	-10°C ~ +55°C
Working humidity	10% ~ 95%
Size	155mm (W)×45mm (H)×105mm(D)
Weight	DM2104infspc?1Kg(without SD cards) DM2104infspc
Controller	Special wired control