The APT4-04400500-0715-D4-GW from AmpliTech is a RF Amplifier with Frequency 4400 to 5000 MHz, Gain 33 to 36 dB, Gain Flatness +/-0.5 dB, Noise Figure 0.7 dB, Output Power `. Tags: Low Noise Amplifier. More details for APT4-04400500-0715-D4-GW can be seen below.