The BGA3131 from NXP Semiconductors is a RF Amplifier with Frequency 5 to 205 MHz, Gain Flatness ± 0.5 dB, Noise Figure 6.5 dB, Output Power 78 dBm, Output Power 63095.73 W. Tags: Surface Mount, Variable Gain Amplifier. More details for BGA3131 can be seen below.