The DBS-4345N410 from Stellant Systems is a RF Amplifier with Frequency 43.5 to 45.5 GHz, Gain 22 to 28 dB, Gain Flatness ±1.5 dB, Noise Figure 5.5 to 6 dB, P1dB 10 dBm. Tags: Hermetic, Power Amplifier. More details for DBS-4345N410 can be seen below.