Frequency range 5-1000MHZ. One output port to input port DC Pass. Fully screened RF shielded Zinc Die-Cast housing with Nickel Plating and Earth Terminal built in. All Ports are 75ohm F type with low Insertion loss. Screening (dB) 40-470 MHz: >75 470-1000 MHz: >65 Tap Loss (dB) 5-470 MHz: 12 +/- 1.0 470-1000 MHz: 12 +/- 1.0 Through Loss (dB) 5-40 MHz: 0.8 40-470 MHz: 0.8 470-1000 MHz: 1.0 Isolation Out-Tap (dB) 5-40 MHz: 35 40-470 MHz: 32 470-1000 MHz: 26 Isolation Tap-Tap (dB) 5-40 MHz: - 40-470 MHz: - 470-1000 MHz: - RETURN LOSS (dB) 5-40 MHz: 22 40-470 MHz: 22 470-1000 MHz: 18