The CHA3513-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 6 to 18 GHz, Small Signal Gain 15 to 19 dB pk-pk, Noise Figure 12 dB, Output Power 18 to 20 dBm, Output Power 0.06 to 0.1 W. Tags: Surface Mount, Digital Variable Gain Amplifier. More details for CHA3513-99F can be seen below.