The ASW311 from ASB Inc. is a RF Amplifier with Frequency 900 MHz to 2 GHz, Gain 12.1 to 14.3 dB, Noise Figure 2.2 to 2.4 dB, Output Power 21 to 21.5 dBm, Output Power 0.13 to 0.14 W. Tags: Chip, CATV Amplifier. More details for ASW311 can be seen below.