The APTMP3-00200005-1627-D9-LN from AmpliTech, Inc. is a RF Amplifier with Frequency 20 to 500 MHz, Gain 41 dB, Gain Flatness ±0.3 dB, Noise Figure 1.60 dB, Supply Voltage 15 Vdc. Tags: Low Noise Amplifier. More details for APTMP3-00200005-1627-D9-LN can be seen below.