The RPM/020-4040 from CTT Inc is a RF Amplifier with Frequency 500 MHz to 2 GHz, Gain 40 dB, Gain Flatness ±2 dB, Noise Figure 5 dB, Output Power 40 dBm. Tags: Benchtop / Rackmount, Power Amplifier, Driver Amplifier. More details for RPM/020-4040 can be seen below.