The CHA2194-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 36 to 44 GHz, Gain 17 to 19 dB, Gain Flatness ±0.5 to 1 dB, Noise Figure 3 to 4 dB, Output Power 8 to 10 dBm. Tags: Low Noise Amplifier. More details for CHA2194-99F can be seen below.