The PE70A9019 from Pasternack Enterprises Inc is a Gain Equalizer with Frequency 1 to 4 GHz, Gain Equalization 3 dB, Insertion Loss 0.7 dB, Power 24 dBm, Impedance 50 Ohms. Tags: Module with Connectors, Negative Gain Slope. More details for PE70A9019 can be seen below.