The MGA-30489 from Broadcom is a RF Amplifier with Frequency 0.25 to 3 GHz, Gain 11.8 to 19.3 dB, Noise Figure 3 dB, Output Power 22.5 to 23.5 dBm, Output Power 0.18 to 0.22 W. Tags: Surface Mount, Gain Block, Driver Amplifier. More details for MGA-30489 can be seen below.