Split the output of your existing 75 ohm weBoost In-Building Cellular Amplifier Kit to 3 additional areas with the weBoost 309911-75F 75 ohm Triple Antenna Expansion Kit. This device is perfect for offices with 4 distinct areas requiring cellular coverage, such as a warehouse and office areas. Kit includes a 75 ohm 4-way splitter, 3 indoor 4G cellular panel antennas with mounting hardware and 3coax cables with connectors preinstalled. . Splits the output of existing 75ohm weBoost In-Building Cellular Amp Kit to 3 additional areas . Works with 75ohm amplifiers & accessories . Provides extra signal coverage with existing system . Built-in ground plane . Uses F-connectors . Wide-band coverage up to +10.6dB gain . Includes 3 wall-mount panel antennas, a 4-way splitter for adding up to 3 antennas & all necessary RG11 cables with F connectors