The APT3-01500600-1010-D4-5V-BTO from AmpliTech, Inc. is a RF Amplifier with Frequency 1.5 to 6 GHz, Gain 28 dB, Gain Flatness ±1.25 dB, Noise Figure 1.00 dB. Tags: Low Noise Amplifier. More details for APT3-01500600-1010-D4-5V-BTO can be seen below.