The R55M01GSA from RF-Lambda is a RF Amplifier with Frequency 550 MHz to 1.2 GHz, Gain 11 to 16 dB, Noise Figure 0.5 to 1.1 dB, Output Power 12.5 to 21.5 dBm, Output Power 0.02 to 0.14 W. Tags: Surface Mount, Low Noise Amplifier. More details for R55M01GSA can be seen below.