The APTMP4-00450380-1524-D6 from AmpliTech, Inc. is a RF Amplifier with Frequency 450 MHz to 3.8 GHz, Gain 43 dB, Gain Flatness ±0.2 dB, Noise Figure 1.50 dB. Tags: Drop-In, Low Noise Amplifier. More details for APTMP4-00450380-1524-D6 can be seen below.