The PE73SP1030 from Pasternack Enterprises Inc is a RF Surge Protector with Frequency 1.5 to 700 MHz, Input Power 250 to 3000 W, Insertion Loss 0.1 dB, Operating Temperature -50 to 50 Degree C, Return Loss 26 dB. Tags: Gas Discharge Tube. More details for PE73SP1030 can be seen below.