The DBP-3540N623 from Stellant Systems is a RF Amplifier with Frequency 35.5 to 40.5 GHz, Gain 20 to 28 dB, Gain Flatness ±1.5 dB, Noise Figure 8 to 9 dB, Output Power 23 dBm. Tags: Hermetic, Power Amplifier. More details for DBP-3540N623 can be seen below.