The 3T4000M from Communication Power Corporation is a RF Amplifier with Frequency 10 to 130 MHz, Gain 66 dB, Gain Flatness ±2 dB, Noise Figure 12 dB, Output Power 51.76 to 66.02 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for 3T4000M can be seen below.