The QLAS-18000-28000-20-40 from Qualwave is a RF Amplifier with Frequency 18 to 28 GHz, Gain 20 dB, Gain Flatness ±1.5 dB, Noise Figure 4 dB, Output Power 8 dBm. Tags: Benchtop / Rackmount, Low Noise Amplifier. More details for QLAS-18000-28000-20-40 can be seen below.