The AC540 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 10 to 500 MHz, Small Signal Gain 11 to 12.5 dB pk-pk, Gain Flatness ±0.5 to ±0.8 dB, Noise Figure 1.8 to 2.5 dB, Output Power 3 to 4.5 dBm. Tags: Drop-In, Power Amplifier. More details for AC540 can be seen below.