The VHF50HN-ME from PolyPhaser is a RF Surge Protector with Frequency 100 to 512 MHz, Input Power 750 W, Insertion Loss 0.1 dB, Operating Temperature -50 to 85 Degree C, Storage Temperature -50 to 85 Degree C. Tags: Filter. More details for VHF50HN-ME can be seen below.