The AC543 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 10 to 500 MHz, Small Signal Gain 10 to 11.3 dB pk-pk, Gain Flatness ±0.4 to ±0.6 dB, Noise Figure 2.5 to 3 dB, Output Power 8.5 to 10 dBm. Tags: Drop-In, Power Amplifier. More details for AC543 can be seen below.