The APT4-04400590-1210-TM3-GW from AmpliTech, Inc. is a RF Amplifier with Frequency 4.4 to 5.9 GHz, Gain 30 dB, Gain Flatness ±1 dB, Noise Figure 1.20 dB, Operating Temperature -54 to 85 Degree C. Tags: Low Noise Amplifier. More details for APT4-04400590-1210-TM3-GW can be seen below.