The 2122051P from Astra Microwave Products Limited is a RF Amplifier with Frequency 2.7 to 3.7 GHz, Gain 23.5 dB, Gain Flatness ±0.6 dB, Noise Figure 1.6 dB, Output Power 19 to 21 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for 2122051P can be seen below.