RadioShack 4-Way 3GHz Cable Distribution Amplifier Bidirectional

This 1-to-4 bidirectional cable TV amplifier is ideal for distributing a cable signal to a remote location. The amplifier boosts your cable TV output signal up to 8dB, while minimizing interference. You can connect up to four devices, such as a TV, VCR, PVR (personal video recorder), cable modem or HDTV. And, it allows bidirectional communication so you can enjoy Pay-Per-View and interactive TV and Internet.