The AG603-89G from Qorvo is a RF Amplifier with Frequency DC to 3 GHz, Gain 18.5 dB, Noise Figure 3.8 dB, Output Power 19.5 dBm, Output Power 0.09 W. Tags: Surface Mount, Gain Block, Power Amplifier, Buffer Amplifier, CATV Amplifier. More details for AG603-89G can be seen below.