The POB-28-24-15-LCA from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 2 to 4 GHz, Gain 28 dB, Gain Flatness ± 1.25 dB, Noise Figure 3.5 dB, Output Power 15 dBm. Tags: Surface Mount, Power Amplifier. More details for POB-28-24-15-LCA can be seen below.