The PE7083 from Pasternack Enterprises Inc is a Impedance Matching Pad with Frequency DC to 3 GHz, Input Power 1 W, Accuracy ±0.5 dB, Attenuation 5.7 dB, Operating Temperature -20 to 85 Degree C. Tags: Connectorized, 50 to 75 Ohms. More details for PE7083 can be seen below.