The APTMP3-17701970-1520-D22 from AmpliTech, Inc. is a RF Amplifier with Frequency 17.7 to 19.7 GHz, Gain 38 dB, Gain Flatness ±1 dB, Noise Figure 1.50 dB. Tags: Drop-In, Low Noise Amplifier. More details for APTMP3-17701970-1520-D22 can be seen below.