1)100-1800m 4ch 4in4/8out cctv amplifier 2)3 Poles Pre-emphasis 3)100-1800m Distance 4)HF Compensation 5)14dB Gain

1)100-1800m 4ch 4in4/8out cctv amplifier2)3 Poles Pre-emphasis3)100-1800m Distance4)HF Compensation5)14dB Gain      

ST-70404 4CH 4in04out Coaxal Cable Video Equalized AmplifierST-70408 4CH 4in08out Coaxal Cable Video Splitting Equalizier350MHz Broadcast Video Bandwidth, Hum Bar Rejection, 3Poles EqualizierGround Loop Isolation, Brightness & Sharpness Combine (BSCTM) ADJ 14dB Gain, HF Compensation, 4CH ADJ, Transient Protection12VDC Power, Earth Ground, Perfect to work for Broadcast Video FeaturesBNC-F input / output for video signalvideo ground loop isolationvideo filter for 0-6MHz Low Pass Filter (LPF)0-12dB Vairable Gain Control (VGA) - gain block 3 dominant poles weighted pre-emphesis/equaliziers at 1M/2.2M/3.58M - E.Q. block (optional) signal clamping, transient surge and ESD protecion1to2 port broadcast splitting/distributionup to 1000m transmission distance over coaxal cable (75-5)build in power supply, fulse and power switch whole metal case  Specifications Input Voltage :    220V/50Hz or 12VDC/500mA Video Bandwidth:    250MHz @ -3dB, full load  Flatness Gain :    6dB@1K-1MHz, 7.8dB@ 1.5M-5.8MHz Slew Rate :    1000V/uS 1K ohm load CMRR:    >68dB Differential Gain:    <0.8% @3.58MHz  Differential Phase :    <0.93° @3.58MHz Cross Talk (Ch to Ch) :    68dB (typ.) Input Signals:    04 pcs video signals  Output Signals    04/08pcs video signals Video Input :    1.0Vp-p/75ohm Max. 2.0Vp-p/ 75ohm Video Output :    1.0Vp-p/75ohm Max. 2.0Vp-p/ 75ohm, for 08 16 32 64 pcs monitors Power Dissipation :    5-15W Input/Output:    BNC-Female Connector PWR: 110Vto220V/50~60Hz, 12VDC(optional)

100-1800m 4ch 4in4/8out cctv amplifier