Prevents TV interference from cable-modem output signals – Blocks ingress into upstream lowfrequency (5-40MHz) path – Frequency Range 1-1000MHz – High Sub-band Rejection >-40dB – High Return Loss >19dB – Insertion Loss <0.5dB – Rugged Weatherproof Construction – Internal O-Ring for outdoor applications– Nickel Plated Precision Machined Brass