75 Ohm F Terminator 5-Pack for Cable TV Connections 5 Pack of 75-Ohm terminators "Universal ""F"" connection screws directly onto splitters or amplifier connections." "Install terminators onto any unused splitter port, amplifier connection, or unused cable TV outlet. Helps eliminate TV signal problems caused by open ports on splitters or amplifiers. Designed to terminate RF signals on unused equipment ports to prevent extraneous signals from decreasing system performance.