The ASL19C from ASB Inc. is a RF Amplifier with Frequency 850 MHz to 2 GHz, Gain 13 to 19.5 dB, Noise Figure 0.8 to 0.9 dB, Output Power 21 to 21.5 dBm, Output Power 0.13 to 0.14 W. Tags: Chip, Low Noise Amplifier. More details for ASL19C can be seen below.