The APTC3-00500100-0600-D4-K from AmpliTech, Inc. is a RF Amplifier with Frequency 500 MHz to 1 GHz, Gain 36 dB, Gain Flatness ±1 dB, Noise Figure 0.60 dB. Tags: Low Noise Amplifier, Cryogenic Amplifier. More details for APTC3-00500100-0600-D4-K can be seen below.