Open House H816BID Bi-Directional Whole House Video Distribution Amplifier (Discontinued by Manufacturer) Distributes Antenna To 8 Tvs 4 Standard Outputs (Up To 75 Ft) 2 Long Outputs (Up To 150 Ft) Bi-Directional With A 542 Mhz Return Path For Cable Modems, Interactive Applications &amp; Pay-Per-View Boxes