1-channel BNC input/output CVBS coaxial cable video amplifier, Support HD-TVI/CVI/AHD/CVBS 1-channel female BNC video input and 1-channel female BNC video output Resolution (HFGAI) and gain (GAIN) adjustable Applicable for amplifying and balancing coaxial video signal from CCTV camera or other sources to longer distance transmission High performance of anti-interference, adopting copper connector to reduce signal interference brought by bad contact Adjustable to compensate and booster coaxial cable distortion Long transmission distance and high image quality The circuit consisted by independently isolated and compensated transistor loads output signal to 75Ohm