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what DVR can you recommend? 30fps at D1 resolution

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what DVR can you recommend?

these are the specification.

 

Stand-alone -

Multi-channel, hybrid system.

 

Capable of stand-alone operation and as part of a system controlled by a remote PC;

 

Minimum of four (4) composite channel video inputs (BNC);

 

Minimum of four (4) composite channel video outputs (BNC); Minimum of four

(4) channel analog audio inputs with analog audio output;

 

 

Real-time motion @ 30 Frames Per Second (FPS) (per channel) on live and on recorded playback;

 

Storage - must be able to perform a minimum of ten (10) days non-stop video and audio recording

 

Minimum of 1.5 TB hard disk capacity;

 

Resolution - minimum of 4 CIF on every single channel display at recording, viewing & playback,

 

NTSC format; Duplex/Triplex Operation

simultaneous audio/video recording and replay;

 

VCR type - mechanical jog and shuttle or equivalent control equipped for easy forward and backward review of footage at variable speeds;

 

Full audio and video player/recorder functionality thru network;

 

Equipped with internal or external RAID storage system; Ethernet interfaces - 10/100 Base TX, Automatic recognition, RJ -45;

 

With built-in USB interfaces - 1 or more USB input;

 

With embedded Operating System; Access control, single or multiple, password protection, multiple access levels. Watermarking or other such proprietary video security to avoid tampering of data; Recorded file format must be read by or convertible to MS Windows OS file formats; Upgradeable Software via LAN and Flash ROM.

 

Must be able to update and check DVRs in blocks and can provide clear information regarding system state; Power source of 100V/AC - 240V/AC, 50/60Hz Autovolt

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