The MPS-1820A9-85 from MicroWave Technology is a RF Amplifier with Frequency 1.85 to 1.91 GHz, Small Signal Gain 14 to 15.5 dB pk-pk, Gain Flatness 0.20 to 0.50 dB, Noise Figure 1.1 to 1.5 dB, Output Power 22 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for MPS-1820A9-85 can be seen below.