The BGU8019 from NXP Semiconductors is a RF Amplifier with Frequency 1559 to 1610 MHz (L1), Gain 18.5 dB, Power Gain 16 to 20.5 dB, Noise Figure 0.55 to 1.3 dB, IP3 -3 to 6 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for BGU8019 can be seen below.