Steren 201-203 1GHz 90dB 3-Way Splitter 5-1000MHz 75 Highest isolation F-splitter Soldered-back cover 130dB min. RFI shielding High-performance printed-board circuitry. Mounting tabs with screws. 1-Inch Centered F-ports accommodate security tool Cast-in ground block 5 - 1000mhz 75_ High-isolation F-splitter 90 Db Min Rfi Shielding Epoxy-sealed Back-cover High-performance Printed-board Circuitry