The LP-18-195-NMH-X (150W) from Times Microwave Systems is a RF Surge Protector with Frequency 0 to 6000 MHz, Input Power 150 W, Insertion Loss 0.6 dB, Return Loss 18 dB, Storage Temperature -40 to 85 Degree C. More details for LP-18-195-NMH-X (150W) can be seen below.