The CHA2190-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 20 to 30 GHz, Gain 13 to 15 dB, Gain Flatness ±0.5 to 1 dB, Noise Figure 2.2 to 3 dB, Output Power 11 dBm. Tags: Low Noise Amplifier. More details for CHA2190-99F can be seen below.