The FM7066A from Fairview Microwave 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 FM7066A can be seen below.