The NWL-0412N405 from Stellant Systems is a RF Amplifier with Frequency 4 to 12 GHz, Gain 35 to 45 dB, Gain Flatness ±1 dB, Noise Figure 1.2 to 1.5 dB, P1dB 5 to 10 dBm. Tags: Hermetic, Low Noise Amplifier. More details for NWL-0412N405 can be seen below.