The DBS-2122N417 from Stellant Systems is a RF Amplifier with Frequency 21.5 to 22.5 GHz, Gain 25 to 30 dB, Gain Flatness ±1 dB, Noise Figure 2.3 to 2.5 dB, P1dB 17 dBm. Tags: Hermetic, Power Amplifier. More details for DBS-2122N417 can be seen below.