The PE70A9021 from Pasternack Enterprises Inc is a Gain Equalizer with Frequency 2 to 6 GHz, Gain Equalization 4 dB, Insertion Loss 0.6 dB, Power 24 dBm, Impedance 50 Ohms. Tags: Module with Connectors, Negative Gain Slope. More details for PE70A9021 can be seen below.