The APTC3-1M500M-1000-D6 from AmpliTech, Inc. is a RF Amplifier with Frequency 1 to 500 MHz, Gain 27 dB, Gain Flatness ±3 dB, Noise Figure 1.00 dB. Tags: Drop-In, Low Noise Amplifier, Cryogenic Amplifier. More details for APTC3-1M500M-1000-D6 can be seen below.