The AR4019 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 10 MHz to 4 GHz, Small Signal Gain 14.5 to 16 dB pk-pk, Gain Flatness ±0.6 to ±0.8 dB, Noise Figure 5 to 6.5 dB, Output Power 18.5 to 21.8 dBm. Tags: Drop-In, Power Amplifier. More details for AR4019 can be seen below.