Splits the output of existing 50O weBoost in-building cellular amplifier kit to three additional areas Works with 50O amplifiers & accessories Provides extra signal coverage with existing system; Built-in ground plane; Uses N-connectors Wide-band coverage up to +10.6dB gain Includes 3 wall-mount panel antennas, 4-way splitter for addition of up to 3 indoor antennas & all necessary cables 50O