The QB-968 from Spectrum Control is a RF Amplifier with Frequency 2 to 18 GHz, Gain 23 to 25 dB, Gain Flatness ±0.8 to 1 dB, Noise Figure 3 to 5 dB, P1dB 0.022 to 0.04 W. Tags: Module with Connectors, Low Noise Amplifier. More details for QB-968 can be seen below.