The VMMK-2103 from Broadcom is a RF Amplifier with Frequency 500 MHz to 6 GHz, Gain 12 to 16 dB, Noise Figure 2.1 to 2.7 dB, Output Power 21 dBm, Output Power 0.13 W. Tags: Surface Mount, Low Noise Amplifier. More details for VMMK-2103 can be seen below.