Amplifier, Cable TV RF Broadband 15dB Gain One Output 5-1002Mhz w/ Power Adapter Industry leading manufacturer of Cable TV subscriber devices for over 20 years 3dB noise figure equates to very low noise generated when amplifing digital signals Fully compliant for needs of DOCSIS 2.0 (D2) & 3.0 (D3) cable modem operation 6kV surge protection on all F port, provided excellent surge survivabilty Nickel plated housing provides long term corrosion protection, even in salt air enviroments