The VMMK-3603 from Broadcom is a RF Amplifier with Frequency 1 to 6 GHz, Gain 15.5 to 19.5 dB, Noise Figure 1.5 to 1.9 dB, Output Power 9 dBm, Output Power 0.01 W. Tags: Surface Mount, Low Noise Amplifier. More details for VMMK-3603 can be seen below.