SureCall~Fusion5S Home Kit SC-PolysH/O-72-YD2-KIT Cell phone signal booster kit increases cellular coverage up to 6,000 sq. ft. for all carriers voice, text and 4G LTE data signals. Kit includes 10 ft., 75 ft. and two 50 ft. lengths of SureCall 400 low loss coax cable, 2-way splitter, outdoor Yagi antenna, and two indoor dome antennas.