Buy on Amazon : http://amzn.to/1Jfnqad<br /><br />Motorola Signal Booster 4-Port BDA-S4 Cable Modem TV HDTV Amplifier<br /><br />The BDA-S4 is a bi-directional cable TV amplifier designed for use in homes Boosts signal by 12x <br />This is the 4-port commercial version of the Motorola Signal Booster 484095-001-00 <br />A passive return path supports multiple broadband devices such as set-top boxes and cable modems <br />Meets all applicable IEEE surge standards for all output ports which enhances system reliability <br />Weather seal and protective coating allow use of the amplifier for indoor or outdoor applications
