The CHA5115-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 8 to 12 GHz, Small Signal Gain 25 dB pk-pk, Noise Figure 5 dB, Output Power 24.5 to 28 dBm, Output Power 0.28 to 0.63 W. Tags: Power Amplifier. More details for CHA5115-99F can be seen below.