The CHA5250-QDG from United Monolithic Semiconductors is a RF Amplifier with Frequency 5.5 to 9 GHz, Gain 26 dB, Noise Figure 7 dB, Output Power 28 to 30 dBm, Output Power 0.63 to 1 W. Tags: Surface Mount, Power Amplifier. More details for CHA5250-QDG can be seen below.