The DBS-4042N413 from Stellant Systems is a RF Amplifier with Frequency 40.5 to 42.5 GHz, Gain 20 to 26 dB, Gain Flatness ±1.5 dB, Noise Figure 5.5 to 6.6 dB, P1dB 13 dBm. Tags: Hermetic, Power Amplifier. More details for DBS-4042N413 can be seen below.