The A3M37TL039 from NXP Semiconductors is a RF Amplifier with Frequency 3600 to 3800 MHz, Gain 26.1 to 28.8 dB, Gain Flatness 0.1 dB, PAE 39.50%, Supply Voltage 24 to 30 V. Tags: Surface Mount, Power Amplifier. More details for A3M37TL039 can be seen below.