9 port bi-directional cable tv splitter signal booster/amplifier with active return zero signal loss voip telephone bypass port and f59 terminators antronix vr900b/ac reliable cable products the antronix vra series provides full compatibility with all cable tv services. the vra900b provides an alternative to the higher priced electroline ft08300 and pct vc9u, while providing some additional capabilites that other products cannot provide. the vra900b provides a full set of 8 amplified output ports. each port carries the exact same signal level as the input port carries - in both the forward and reverse directions. this unique design makes the vra900b a true lossless splitter in both directions, allowing you to connect virtually any cable tv device and enjoy worry-free operation. all 8 ports can be used for any type of device including a cable modem. the vra900b also provides a modem bypass port. the bypass port allows you to connect any device to the amplifier (usually a cable modem or voip phone device) and insure operation of that device in the event of a power failure.the amplifier is surge protected and waterproof. it also has a unique mounting design that allows the amplifier to be mounted either horizontally or vertically with two separate sets of mounting brackets. this provides you with the best options for mounting the amplifier anywhere inside or outside your home. supports operation from -40 degrees to +140 degrees fahrenheit. the amplifier can be powered from any location using an optional (not included) power inserter. power supply and f59 terminators are included. connection cables not included.