... D1, On sale 2 channel D1 Digital Video Server with Storage for surveillance system> Video Resolution: D1/Half-D1/CIF/ ... CDMA2000),WCDMAVideo Input 1/2/4 channel composite video, PAL or NTSC BNC interface,1.0Vp-p ... -30 frames/secondVideo Bit rate32Kbps~16MbpsVideo Output 1 compound video, PAL or NTSC; BNC, level: 1.0Vp ... 82kg On sale 2 channel D1 Digital Video Server with Storage for surveillance system