The MGA-683P8 from Broadcom is a RF Amplifier with Frequency 450 MHz to 2 GHz, Gain 16.3 to 19.3 dB, Noise Figure 0.8 to 0.56 dB, Output Power 21.5 dBm, Output Power 0.14 W. Tags: Surface Mount, Low Noise Amplifier. More details for MGA-683P8 can be seen below.