The ASL390 from ASB Inc. is a RF Amplifier with Frequency 5 to 860 MHz, Gain 22.1 to 23.8 dB, Noise Figure 2.3 to 3.1 dB, Output Power 18.5 to 22 dBm, Output Power 0.07 to 0.16 W. Tags: Chip, CATV Amplifier. More details for ASL390 can be seen below.