8-Port Bi-Directional Cable TV Splitter Signal Booster/Amplifier Zero Signal Loss and VoIP Telephone Bypass Feature Provides a full set of 8 amplified output ports - each port carries the exact same signal level as the input port - in both the forward and reverse directions. All ports are LOSSLESS both Forward and Reverse. This is a true lossless 8-port splitter. MODEM port provides a connection point for VoIP equipment, so that a power failure will not affect services. Compatible with all standard and digital Cable TV services, including the "Triple Play" phone service. Enables critical apps to not be affected by Power Outages or Amplifer Failures. 5-year warranty.