The APT4-06400710-0815-D6-PLH from AmpliTech, Inc. is a RF Amplifier with Frequency 6.4 to 7.1 GHz, Gain 35 dB, Gain Flatness ±1 dB, Noise Figure 0.80 dB. Tags: Drop-In, Low Noise Amplifier. More details for APT4-06400710-0815-D6-PLH can be seen below.