The AC4545 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 800 MHz to 4.5 GHz, Small Signal Gain 15.5 to 17.2 dB pk-pk, Gain Flatness ±0.8 to ±0.9 dB, Noise Figure 4 to 5 dB, Output Power 15.5 to 17.5 dBm. Tags: Drop-In, Power Amplifier. More details for AC4545 can be seen below.