Buy from Amazon : br br Amplifier Cable TV RF Broadband 15dB Gain One Output 5-1002Mhz w Power Adapter br br Industry leading manufacturer of Cable TV subscriber devices for over 20 years br 3dB noise figure equates to very low noise generated when amplifing digital signals br Fully compliant for needs of DOCSIS 20 D2 30 D3 cable modem operation br 6kV surge protection on all F port provided excellent surge survivabilty br Nickel plated housing provides long term corrosion protection even in salt air enviroments