The MGA-685T6 from Broadcom is a RF Amplifier with Frequency 0.1 to 1.5 GHz, Gain 17.5 to 20.50 dB, Noise Figure 0.93 to 1.50 dB, Output Power 17.3 dBm, Output Power 0.05 W. Tags: Surface Mount, Low Noise Amplifier. More details for MGA-685T6 can be seen below.