The APT4-02700310-0615-D6-T from AmpliTech, Inc. is a RF Amplifier with Frequency 2.7 to 3.1 GHz, Gain 37 dB, Gain Flatness ±0.5 dB, Noise Figure 0.60 dB. Tags: Drop-In, Low Noise Amplifier. More details for APT4-02700310-0615-D6-T can be seen below.