The APTC3-00100200-0912-D4 from AmpliTech, Inc. is a RF Amplifier with Frequency 100 MHz to 2 GHz, Gain 35 dB, Gain Flatness ±1 dB, Noise Figure 0.20 dB. Tags: Low Noise Amplifier, Cryogenic Amplifier. More details for APTC3-00100200-0912-D4 can be seen below.