The R21M02GSA from RF-Lambda is a RF Amplifier with Frequency 2.1 to 2.9 GHz, Gain 19 dB, Noise Figure 0.9 to 1.2 dB, Output Power 10.5 to 20.5 dBm, Output Power 0.01 to 0.11 W. Tags: Surface Mount, Low Noise Amplifier. More details for R21M02GSA can be seen below.