The VMMK-2403 from Broadcom is a RF Amplifier with Frequency 2 to 4 GHz, Gain 14 to 17 dB, Noise Figure 1.7 to 2.2 dB, Output Power 16.5 dBm, Output Power 0.04 W. Tags: Surface Mount, Gain Block, Power Amplifier. More details for VMMK-2403 can be seen below.