The AC542 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 20 to 500 MHz, Small Signal Gain 16 to 17.5 dB pk-pk, Gain Flatness ±0.7 to ±1 dB, Noise Figure 3.3 to 3.8 dB, Output Power 13 to 14 dBm. Tags: Drop-In, Power Amplifier. More details for AC542 can be seen below.