The DBS-1840N420 from Stellant Systems is a RF Amplifier with Frequency 18 to 40 GHz, Gain 18 to 26 dB, Gain Flatness ±3.5 dB, Noise Figure 6.5 to 7 dB, Output Power 20 dBm. Tags: Hermetic, Power Amplifier. More details for DBS-1840N420 can be seen below.