The ADRF6520 from Analog Devices is a RF Amplifier with Frequency DC to 1.25 GHz, Gain 53 dB, Gain Flatness ±1 dB, Noise Figure 10.5 dB, Output Power 12 to 14 dBm. Tags: Surface Mount, Variable Gain Amplifier, Driver Amplifier. More details for ADRF6520 can be seen below.