The GRF4001 from Guerrilla RF is a RF Amplifier with Frequency 100 MHz to 6 GHz, Gain 14.5 to 15.5 dB, Noise Figure 0.9 dB, Output Power 15 to 16.5 dBm, Output Power 0.03 to 0.04 W. Tags: Surface Mount, Low Noise Amplifier, Driver Amplifier, Power Amplifier, Gain Block. More details for GRF4001 can be seen below.