The AFSC5G37E38 from NXP Semiconductors is a RF Amplifier with Frequency 3600 to 3800 MHz, Gain 25.4 to 28.4 dB, Gain Flatness 0.3 dB, Output Power 37.99 dBm, Output Power 6.3 W. Tags: Surface Mount, Power Amplifier. More details for AFSC5G37E38 can be seen below.