The MGA-655T6 from Broadcom is a RF Amplifier with Frequency 2.5 to 4 GHz, Gain 12.8 to 17 dB, Noise Figure 1.2 to 1.6 dB, Output Power 12 dBm, Output Power 0.02 W. Tags: Surface Mount, Low Noise Amplifier. More details for MGA-655T6 can be seen below.