100-1800m 1to3Port Coaxal Cable Video Equalized Amplifier
250MHz Broadcast Video Bandwidth, VideoFilter, 3 Poles Pre-emphasis 
14dB Gain, High Frequency Compensation, ADJ, Transient Protection 
12VDC Power, Earth Ground, Perfect to work for Broadcast Video 

Features:
BNC-F input / output for video signal
video ground loop isolation
video 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 protecion
1to2 port broadcast splitting/distribution
up to 1000m transmission distance over coaxal cable (75-5)
build in power supply, fulse and power switch
whole metal case

Specifications:
Bandwidth: 250MHz @ -3dB
Input/Output Video Impendence: 75ohm
Input/Output Audio Impendence: 50-75ohm
I/O Video Signal Range: ±0.5V to ±2.2Vp-p
I/O Audio Signal Range: ±0.1V to ±3.8Vp-p
CMRR: over 68dB
Return Loss: 22dB
Video Flat Gain: 6dB@1K-1MHz, 7.8dB@ 1.5M-5.8MHz
Video Differential Gain: 0.93% @ 3.58MHz
Video Differential Phase: 0.98° @ 3.58MHz
Power: +12V DC
Working Temperature: -20C to +65C
Storage Temperature:-45C to -85C