The 9T4000M from Communication Power Corporation is a RF Amplifier with Frequency 30 to 405 MHz, Gain 66 dB, Gain Flatness ±3 dB, Noise Figure 12 dB, Output Power 46.99 to 66.02 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for 9T4000M can be seen below.