The PE7072A from Pasternack Enterprises Inc is a Impedance Matching Pad with Frequency DC to 3 GHz, Input Power 0.5 W, Attenuation 4 to 7.5 dB, Operating Temperature -30 to 70 Degree C, VSWR 1.10:1, 1.25:1. Tags: Connectorized, 50 to 75 Ohms. More details for PE7072A can be seen below.