The RPO/040-4047 from CTT Inc is a RF Amplifier with Frequency 2 to 4 GHz, Gain 47 dB, Gain Flatness ±2 dB, Noise Figure 5 dB, Output Power 40 dBm. Tags: Benchtop / Rackmount, Power Amplifier, Driver Amplifier. More details for RPO/040-4047 can be seen below.