The APT3-00150030-1119-D4-GWS from AmpliTech, Inc. is a RF Amplifier with Frequency 150 to 300 MHz, Gain 25 dB, Gain Flatness ±1.5 dB, Noise Figure 1.10 dB, IP3 41 to 45 dBm. Tags: Low Noise Amplifier. More details for APT3-00150030-1119-D4-GWS can be seen below.