The BGA725L6 from Infineon Technologies is a RF Amplifier with Frequency 1.55 to 1.615 GHz, Power Gain 20 dB, Noise Figure 0.65 dB, Input Return Loss 14 dB, Supply Voltage 1.5 to 3.6 V. Tags: Surface Mount, Low Noise Amplifier. More details for BGA725L6 can be seen below.