... at the same time,Transmission Distance : 100 Meters 1 to 4 Port VGA splitter,VGA Switch, VGA splitter, VGA Distributor 550mhz,One ... video input to 4 video outputs. VGA Bandwidth : 550MHZ Also can get the power from USB port Long distance transmission - up ... . Transmission Distance : 100 Meters Power Supply : DC9V Crust : Metal 1 to 4 Port VGA splitter 550mhz JD-VGA3104