The VUF50NHP-MA from PolyPhaser is a RF Surge Protector with Frequency 500 MHz to 1 GHz, 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 VUF50NHP-MA can be seen below.