The AC556 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 5 to 500 MHz, Small Signal Gain 27 to 28.5 dB pk-pk, Gain Flatness ±0.5 to ±0.7 dB, Noise Figure 3.5 to 4.2 dB, Output Power 13.5 to 14.5 dBm. Tags: Drop-In, Power Amplifier. More details for AC556 can be seen below.