The TSM4000 from Narda-MITEQ is a RF Amplifier with Frequency 0.1 to 40 MHz, Gain 20 dB, Gain Flatness ± 3.5 dB, Noise Figure 6.5 dB, Output Power 5 dBm. Tags: Surface Mount, Power Amplifier, Low Noise Amplifier. More details for TSM4000 can be seen below.