The ASX423 from ASB Inc. is a RF Amplifier with Frequency 900 MHz to 2.7 GHz, Gain 17 to 32.5 dB, Noise Figure 2.4 to 3.2 dB, Output Power 29.5 to 30 dBm, Output Power 0.89 to 1 W. Tags: Chip, Power Amplifier. More details for ASX423 can be seen below.