The ICASD1721-S2D from iCana is a RF Amplifier with Frequency 1.7 to 2.1 GHz, Gain 19 dB, Gain Flatness ±0.2 dB, Noise Figure 1.5 dB, Output Power 17.5 dBm. Tags: Surface Mount, Driver Amplifier, Differential Amplifier. More details for ICASD1721-S2D can be seen below.