The DBS-2640N420 from Stellant Systems is a RF Amplifier with Frequency 26.5 to 40 GHz, Gain 20 to 28 dB, Gain Flatness ±2.5 dB, Noise Figure 7 to 8 dB, Output Power 20 dBm. Tags: Hermetic, Power Amplifier. More details for DBS-2640N420 can be seen below.