The CHA4861-QGG from United Monolithic Semiconductors is a RF Amplifier with Frequency 6 to 11 GHz, Gain 23 dB, Noise Figure 9 dB, P1dB 24 dBm, P1dB 0.251 W. Tags: Surface Mount, Variable Gain Amplifier. More details for CHA4861-QGG can be seen below.