The QLA-2000-18000-18-40 from Qualwave is a RF Amplifier with Frequency 2 to 18 GHz, Gain 18 dB (Small Signal ), Small Signal Gain 18 dB, Gain Flatness ±1 dB, Noise Figure 4 dB. Tags: Low Noise Amplifier. More details for QLA-2000-18000-18-40 can be seen below.