The AG403-89G from Qorvo is a RF Amplifier with Frequency DC to 6 GHz, Gain 21 dB, Noise Figure 3 dB, Output Power 18 dBm, Output Power 0.06 W. Tags: Surface Mount, Gain Block, Power Amplifier, Buffer Amplifier, CATV Amplifier. More details for AG403-89G can be seen below.