PCT 4-Port RF Signal Amplifer With Active Return<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> This amp provides 4 ports for multiple TV sets， cable boxes， or cable modems </span></li><li><span class="a-list-item"> It boosts signal strength by +7dB， Improves Analog， Digital &amp; HDTV Picture Quality， and Improves UHF/VHF/FM Antenna Reception! </span></li><li><span class="a-list-item"> The Active Return Path boosts broadband communications back to the cable company a feature for supporting interactive services. </span></li><li><span class="a-list-item"> High quality SCTE compliant connectors with patented DSM seizure technology provide better surface contact. </span></li><li><span class="a-list-item"> Meets all applicable IEEE surge standards for all output ports， which enhances system reliability. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Afwm6wWNL.jpg" noproxy>