The ASX501 from ASB Inc. is a RF Amplifier with Frequency 900 MHz to 2 GHz, Gain 11.5 to 18.0 dB, Noise Figure 4.7 to 5.0 dB, Output Power 31 to 31.5 dBm, Output Power 1.26 to 1.41 W. Tags: Chip, Power Amplifier. More details for ASX501 can be seen below.