The ICASD4450-S2D from iCana is a RF Amplifier with Frequency 4.4 to 5 GHz, Gain 18 dB, Gain Flatness ±0.2 dB, Noise Figure 2 dB, Output Power 15.8 dBm. Tags: Surface Mount, Driver Amplifier, Differential Amplifier. More details for ICASD4450-S2D can be seen below.