The ASL41S9 from ASB Inc. is a RF Amplifier with Frequency 700 MHz to 1.2 GHz, Gain 15.3 to 19.5 dB, Noise Figure 0.55 to 0.65 dB, Output Power 22 to 23 dBm, Output Power 0.16 to 0.2 W. Tags: Chip, Low Noise Amplifier. More details for ASL41S9 can be seen below.