The QLA-500-18000-40-30 from Qualwave is a RF Amplifier with Frequency 0.5 to 18 GHz, Gain 40 dB (Small Signal), Small Signal Gain 40 dB, Gain Flatness ±1.5 dB, Noise Figure 3 dB. Tags: Low Noise Amplifier. More details for QLA-500-18000-40-30 can be seen below.