Motorola Signal Booster 2-Port BDA-S2 Cable Modem TV HDTV Amplifier The BDA-S2 is a bi-directional cable TV amplifier designed for use in homes. Boosts signal by 12x. This is the 2-port commercial version of the Motorola Signal Booster 484095-001-00. It includes a power supply - no coaxial cables included Amplifies your cable TV signal to dramatically reduce snow, graininess, digital pixilation and other picture problems. Meets all applicable IEEE surge standards for all output ports, which enhances system reliability. Weather seal and protective coating allow use of the amplifier for indoor or outdoor applications. Connection cables not included. NOT FOR USE WITH SATELLITE DISH SYSTEMS. It will block the signal between the dish and receiver.