The QBS-560 from Spectrum Control is a RF Amplifier with Frequency 700 MHz to 2.5 GHz, Gain 54 dB, Noise Figure 7.5 to 9 dB, Output Power 43.97 to 46.33 dBm, Output Power 24.95 to 42.95 W. Tags: Power Amplifier. More details for QBS-560 can be seen below.