The E6018C-212 from Yantel Corporation is a Gain Equalizer with Frequency 2 to 12 GHz, Gain Equalization 4 dB, Insertion Loss 0.5 dB, Power 1 W, Impedance 50 Ohms. Tags: Surface Mount, Die, Negative Gain Slope. More details for E6018C-212 can be seen below.