The BBV 9745 from Schwarzbeck Mess - Elektronik OHG is a RF Amplifier with Frequency 9 KHz to 2 GHz, Gain 30 dB, Gain Flatness ±3 dB (Amplitude Flatness), Noise Figure 2.5 dB, P1dB -20 dBm. Tags: Pre-Amplifier, Low Noise Amplifier. More details for BBV 9745 can be seen below.