The CHA3512-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 6 to 18 GHz, Small Signal Gain 10 to 16 dB pk-pk, Noise Figure 7 dB, Output Power 20 to 23 dBm, Output Power 0.1 to 0.2 W. Tags: Surface Mount, Low Noise Amplifier, Digital Variable Gain Amplifier. More details for CHA3512-99F can be seen below.