The EMC184045B from EMC Instruments is a RF Amplifier with Frequency 18 to 40 GHz, Gain 45 dB, Gain Flatness ±4.5 dB, Noise Figure 3 dB, P1dB 8 dBm. Tags: Benchtop / Rackmount, Low Noise Amplifier, Pre-Amplifier. More details for EMC184045B can be seen below.