The CHA3801-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 1 to 2 GHz, Gain 28 dB, Gain Flatness ±0.5 dB, Noise Figure 1.45 dB, Output Power 15 dBm. Tags: Low Noise Amplifier. More details for CHA3801-99F can be seen below.